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Optical Waveguides > Planar Optical Waveguide Planar Optical WaveguidePlanar Optical Waveguide patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/15/07 - 20070263973 - Slanted segmented coupler A slanted grating coupler for coupling a radiation beam between a waveguide lying substantially in a plane on a substrate and an optical element outside that plane is provided, whereby the slanted grating coupler has a good coupling efficiency for medium or low index contrast material systems. Furthermore, a method ... 10/25/07 - 20070248308 - Optical field concentrator using multiple low-index nano-layer configuration for cmos compatible laser devices An optical field concentrator includes a plurality of waveguide layers comprising high index materials having a first defined thickness. At least one nano-layer structure is positioned between said waveguide layers. The at least one nano-layer structure comprises low index materials having a second defined thickness that is smaller than the ... 10/11/07 - 20070237481 - Wavelength converting devices A wavelength converting device 1 has a ferroelectric layer 6 made of a ferroelectric material. The ferroelectric layer has a wavelength converting portion A having a ridge-type optical waveguide 7, additional portions A and B provided in both sides of the wavelength converting portions, respectively, and groove-forming portions C and ... 10/11/07 - 20070237480 - Method for fabricating thick film alumina structures used in high frequency, low loss applications and a structure resulting therefrom A method for fabricating thick film alumina structures used in high frequency, low loss applications is provided. More particularly, the invention is directed to a co-fire process for fabricating, or laminating, thick film structures to one another by printing a conductor layer between two thick film circuits, drying the layer, ... 10/11/07 - 20070237478 - Zero index material omnireflectors and waveguides We have shown that a single layer of a 3D Zero Index Material (ZIM) has omnidirectional reflection properties. In the range between the electric plasma frequency and the magnetic plasma frequency, ZIM reflect radiation for all angles of incidence and polarization with reflectivities of ˜99%. In addition, with increasing angles ... 09/13/07 - 20070212008 - Waveguide structure A planar waveguide structure for creating a phase gradient between the input signals of a system of antenna elements requires relatively little space and also ensures relatively low-loss beam deflection. The waveguide structure is provided on a dielectric microwave substrate, which has at least one conductive layer on both sides. ... 08/30/07 - 20070201804 - Method and apparatus for resonant coupling in photonic crystal circuits The present invention is a method and an apparatus for resonant coupling in photonic crystal circuits. In one embodiment, a photonic crystal device comprises a substrate having a plurality of apertures formed therethrough, a photonic crystal circuit (e.g., formed by “removing” a series of apertures), and a strip waveguide extending ... 08/23/07 - 20070196065 - Optical waveguide for transmitting surface plasmon-polariton wave An optical waveguide for transmitting a surface plasmon-polariton wave comprises a metallic thin film formed to have a triangle-shaped cross-section; and a pair of first and second dielectric layers coupled to each other such that the opposing surfaces thereof come in contact with each other, with the metallic thin film ... 08/16/07 - 20070189690 - Optical waveguide Disclosed herein is an optical waveguide comprising a core layer to be an optical transmission region, an upper clad layer and a lower clad layer covering the core layer, in which the core layer, the upper clad layer and the lower clad layer are formed from resin materials, characterized in ... 08/16/07 - 20070189689 - Optical waveguide substrate and harmonics generating device It is provided a structure capable of reducing the loss of incident light propagating in a three-dimensional optical waveguide in a optical waveguide substrate having a ridge type optical waveguide. An optical waveguide substrate has a ferroelectric layer 3 made of a ferroelectric material, a ridge portion formed on a ... 08/16/07 - 20070189688 - Waveguide photodetector The present invention is a waveguide photodetector. In one embodiment, the waveguide photodetector includes a waveguide layer where light is guided or is confined and a detection layer formed on the waveguide layer where guided light is detected. Each of the waveguide layer and the detection layer allows for the ... 08/09/07 - 20070183731 - Optical waveguide device and fabricating method thereof Optical waveguide device has waveguide strip-shaped in the depth direction of the drawing and protruding from peripheral portion. A core (not illustrated) is disposed inside waveguide. Wall to be cut is integrated with waveguide to form one core layer. No unevenness occurs in a cutting line of wall indicated with ... 08/09/07 - 20070183730 - Optical waveguide, optical waveguide module and method for forming optical waveguide An optical waveguide comprising a core and a clad characterized in that a desired part is heated and transited to machining strain release state, the part transited to the machining strain release state is curved with a specified bending radius and transited to machining strain state. That part of the ... 07/26/07 - 20070172186 - Optical module The present invention is directed to an optical module, which stabilizes an oscillation characteristic of a laser by means of a simple configuration. To this end, a gain member, a partial reflection section connected to the gain member, and an optical device section connected to the partial reflection section are ... 07/26/07 - 20070172185 - Optical waveguide with mode shape for high efficiency modulation A waveguide core is positioned proximate to a lower cladding layer, wherein the waveguide core includes a lower waveguide core layer and an upper waveguide core layer, the lower waveguide core layer having a lower refractive index than the upper waveguide core layer. An upper cladding layer is positioned proximate ... 07/26/07 - 20070172184 - Semiconductor optoelectronic waveguide The present invention relates to a semiconductor optoelectronic waveguide having a nin-type hetero structure which is able to stably operate an optical modulator. On the upper and lower surfaces of the core layer determined for the structure so that electro-optical effects are effectively exerted at an operating light wavelength and ... 07/19/07 - 20070165993 - Glass optical waveguide In a glass optical waveguide having a core containing at least one oxide selected from the group of glass-constituting oxides consisting of Bi2O3, Sb2O3, PbO, SnO2 and TeO2, large transmission loss of light which occurs when the cross-sectional shape of the core is rectangle, is reduced. A glass optical waveguide ... 07/19/07 - 20070165992 - Semiconductor constructions, methods of forming semiconductor constructions, light-conducting conduits, and optical signal propagation assemblies The invention includes optical signal conduits having rare earth elements incorporated therein. The optical signal conduits can, for example, contain rare earth elements incorporated within a dielectric material matrix. For instance, erbium or cerium can be within silicon nanocrystals dispersed throughout dielectric material of optical signal conduits. The dielectric material ... 07/12/07 - 20070160336 - Optical control device An optical control device includes a photonic crystal and a line-defect waveguide formed in the photonic crystal wherein the optical control device is capable of guiding, through the line-defect waveguide, a light having a wavenumber larger than a wavenumber corresponding to an anti-intersection of an even-mode band and an odd-mode ... 07/05/07 - 20070154155 - Embedded waveguide printed circuit board structure In some embodiments a channel is formed in printed circuit board material, the formed channel is plated to form at least two side walls of an embedded waveguide, and printed circuit board material is laminated to the plated channel. Other embodiments are described and claimed. ... 06/28/07 - 20070147760 - Light guide unit The disclosed is a light guide unit and a surface illuminator illuminating a liquid crystal display (LCD). The light guide unit (100) is composed of a surface lighting light guide (30) having a light emitting major surface (30a) and a light receiving side surface (30c); a channel light guide (20) ... 06/28/07 - 20070147759 - Light guide plate and a planar lighting device using the same A light guide plate of the invention has a plurality of unit light guide plates that are formed of a transparent resin material and which are joined together. Each of the unit light guide plates has a flat rectangular light exit surface and a back surface that is opposite the ... 06/28/07 - 20070147758 - Light integrator with circular light output An ILP comprises a rotationally symmetric surface in an outer structure serving as a spatial limiter and an inner optical surface that is rotationally asymmetric in cross-section disposed lengthwise within the outer structure. The inner surface acts as a conventional light-integrator and is designed to allow a portion of the ... 06/21/07 - 20070140636 - Multichannel optical path changing device and its production method The present invention relates to a multichannel optical path changing device that is constituted of resin optical waveguides and mirrors and that changes a direction of an optical path. This device has monolithically formed cores having a mirror therebetween and optical path directions changed, and has multichannel cores simultaneously formed ... 06/14/07 - 20070133934 - Multiple-core planar optical waveguides and methods of fabrication and use thereof A multiple-core planar optical waveguide comprises: a substantially planar waveguide substrate; a lower waveguide core; an upper waveguide core; lower cladding between the substrate and the lower waveguide core; middle cladding between the waveguide cores; and upper cladding above the upper waveguide core. Overlapping portions of the waveguide cores are ... 06/14/07 - 20070133933 - Enhanced coplanar waveguide and optical communication module using the same Provided are an enhanced structure of a coplanar waveguide that is a kind of transmission line used for optical communication for radio frequency (RF), and an optical communication module employing the same. While having a basic structure including a conductive strip and ground strips at both sides of the conductive ... 05/24/07 - 20070116419 - Multiple-core planar optical waveguides and methods of fabrication and use thereof A multiple-core optical waveguide comprises: a substrate; lower and upper waveguide core layers; a waveguide core between the upper and lower waveguide core layers; upper and lower cladding; and middle cladding between the upper and lower waveguide core layers substantially surrounding the waveguide core. Each of the lower, middle, and ... 05/17/07 - 20070110379 - Pinch waveguide A waveguide is provided including a first photon propagating material having a first index of refraction (n1) and having a pinch disposed therein, the pinch having a second index of refraction (n1′); and a second photon propagating material disposed in optical communication with the first photon propagating material and having ... 05/10/07 - 20070104443 - Apparatus and methods for achieving phase-matching using a waveguide The present invention relates to an apparatus and methods for achieving phase-matching between various waves and/or modes by operation of a waveguide. Phase-matching between interacting waves is achieved by total internal reflection and transverse Bragg reflection waveguides. Using second harmonic generation in GaAs/AlGaAs as an example, properties are investigated and ... 05/10/07 - 20070104442 - Three-dimensional photonic crystal and functional device including the same A three-dimensional photonic crystal of the present invention has a complete photonic band gap in a wide wavelength region and that can be easily produced. A three-dimensional photonic crystal in which a plurality of layers including a periodic-refractive-index structure are periodically stacked includes, a first layer having holes provided at ... 05/10/07 - 20070104441 - Laterally-integrated waveguide photodetector apparatus and related coupling methods High-speed optoelectronic devices having a waveguide densely integrated with and efficiently coupled to a photodetector are fabricated utilizing methods generally compatible with CMOS processing techniques. In various implementations, the waveguide consists essentially of single-crystal silicon and the photodetector contains, or consists essentially of, epitaxially grown germanium or a silicon-germanium alloy ... 05/10/07 - 20070104440 - Fabrication of polymer waveguide using a mold A polymer waveguide having low optical loss and no lip around a core is prepared by using a mold having a recessed shape formed by assembling at least two waveguide pattern units having predesigned channels together with two band parts such that the channels of the units are interconnected and ... 05/10/07 - 20070104439 - Polymer optical waveguide and optical device A polymer optical waveguide of the present invention has a lower clad layer, a core layer and an upper clad layer that are provided on a substrate, and a cover member that covers at least one part of the upper clad layer. The upper clad layer and the cover member ... 05/03/07 - 20070098345 - Frequency-selective light coupler-decoupler device A frequency-selective light coupler-decoupler device comprising a component of photonic crystal structure in which there is formed a waveguide having at least one longitudinal edge with a small number of rows of periodic elements of the photonic crystal so as to form coupling zones between the waveguide and the outside ... 04/26/07 - 20070092193 - Optical waveguide substrate and method of fabricating the same The present invention relates to an optical waveguide substrate, realized by means of a simple configuration and processes, having a structure in which an optical component can be embedded within an optical waveguide layer composed of resin, and a structure in which the surface of the optical waveguide layer can ... 04/26/07 - 20070092192 - Integrated optoelectronic device including a semiconductor optical amplifier and a photodiode The field of the invention is that of optoelectronic devices for receiving high bit rate digital optical signals for telecommunications applications, comprising an optical amplifier and a photoreceiver diode. Generally, the two optical amplification and optical-electrical conversion functions are integrated in a common component, resulting in lower production costs, smaller ... 04/19/07 - 20070086717 - Optical waveguide device and multiple optical waveguide device In a multiple optical waveguide device, a transparent plate is bonded on the top surface of a clad with which optical circuits and quartz glass substrates are covered, and optical reflection film is provided on the fringing area or the whole area of the transparent plate. Optical circuits or waveguide ... 04/12/07 - 20070081781 - Transverse-transfer of optical power between assembled waveguides A substantially flat upper cladding surface over a waveguide core facilitates transverse-coupling between assembled waveguides, and/or provides mechanical alignment and/or support. An embedding medium may be employed for securing optical assemblies and protecting optical surfaces thereof. Structural elements fabricated with a low-profile core may be employed for providing mechanical alignment ... 04/12/07 - 20070081780 - Lamp system The invention relates to a lamp system (21) with a first light source (23) which radiates light of a first chromaticity coordinate and with a second light source which radiates light of a second chromaticity coordinate, and with an optical component (22) for additively mixing the light of the two ... 04/05/07 - 20070077017 - Photonic integrated devices having reduced absorption loss An asymmetric twin waveguide (ATG) structure with quantum-well intermixing in the taper region of the active waveguide is disclosed. The structure comprises a first waveguide, a second waveguide, and a taper formed in the second waveguide. The taper has an intermixed area formed therein comprising a plurality of quantum wells ... 03/15/07 - 20070058915 - Waveguide element using photonic crystal In a waveguide element using a photonic crystal including a core formed of a photonic crystal having a refractive index periodicity in at least two directions perpendicular to a propagation direction of an electromagnetic wave and a cladding arranged in contact with the core in order to confine the electromagnetic ... 03/01/07 - 20070047889 - Gebpsg top clad for a planar lightwave circuit A method of depositing a top clad layer for an optical waveguide of a planar lightwave circuit. A GeBPSG top clad layer for an optical waveguide structure of a planar lightwave circuit is fabricated such that the top clad layer comprises doped silica glass, wherein the dopant includes Ge (Germanium), ... 03/01/07 - 20070047888 - Capped low loss polymer waveguide and method of making same Disclosed are guided optical devices comprising capped polymer ridged waveguides and methods of fabrication. An exemplary waveguide has a core with a cap (CapClad), bottom cladding and side cladding. The core is patterned together with cap to form the waveguide. The cap protects the core during processing after the core ... 03/01/07 - 20070047887 - Reducing light leakage and improving contrast ratio performance in ftir display devices An optical noise reduction mechanism for reducing undesired frustration of total internal reflected light. Such optical noise may stem from defects in waveguide construction. Such optical noise may also stem from the difference in refractive index between any cladding layers disposed onto the planar waveguide and the refractive index of ... 03/01/07 - 20070047886 - Composition, optical device article, and associated method A base composition is provided. The base composition includes a binder, a reactive monomer, and an anti-haze additive. The binder may include an optically transmissive polymer. The reactive monomer may be both curable and volatile. The binder and the reactive monomer have differing refractive indices relative to each other. A ... 02/22/07 - 20070041691 - Constructing well structures for hybrid optical waveguides A well may be formed for access to an optical waveguide core by a process that results in an L-shaped well. The L-shaped well may then be filled with a polymer. By controlling the size of each portion of well, the occurrence of bubbles within the well and cuts to ... 02/22/07 - 20070041690 - Waveguide structure having ladder configuration A waveguide structure is formed in the present invention. With the structure, a yield of a cleaving process is improved. A high responsivity and a low sensitivity can be achieved. And an error tolerance for a production is also increased. The present invention can be applied to optoelectronic elements, such ... 02/15/07 - 20070036501 - S-shaped curved optical waveguide and optical device The present invention relates to a curved optical waveguide which is free of any axis-deviation structure in the middle of the waveguide and which has a sigmoidal core shape, wherein the curvature thereof at one end is zero and the curvature thereof at the other end is finite (>0) and ... 02/15/07 - 20070036500 - Optical integrated device and optical control device An optical integrated device having multiple optical waveguides connected on the same substrate and each including a core and a cladding is disclosed. Adjacent two of the optical waveguides are different in the refractive index difference between the core and the cladding. ... 02/08/07 - 20070031097 - Light emissive signage devices based on lightwave coupling A signage device comprising one or more light sources, a waveguide or arrangement of waveguides and photoluminescent features coupled thereto. In one embodiment, a waveguide is adapted to receive light of a first wavelength and the photoluminescent features are adapted to emit light of a second wavelength in response to ... 02/01/07 - 20070025673 - Light emission using quantum dot emitters in a photonic crystal Devices and methods of manufacturing; for emitting substantially white light using a photonic crystal are described. The photonic crystal has a lattice of air holes and is made from a substrate containing quantum dots. The substrate is etched with three defects that are optically coupled together so that each emits ... 02/01/07 - 20070025672 - Flexible optical waveguide A flexible optical waveguide having a core in which light propagates; and a cladding portion with a smaller refractive index than the core, that surrounds the core, wherein the flexible optical waveguide has a flexible portion between both end portions thereof, and at least one end portion of the both ... 02/01/07 - 20070025671 - Bidirectional communication optical waveguide and manufacturing method thereof The present invention provides a bidirectional communication optical waveguide which can adopt a configuration in which light sources having the same wavelengths are used and stray light is not inputted to either a light emitting device or a light receiving device, and the bidirectional communication optical waveguide realizes a bidirectional ... 02/01/07 - 20070025670 - Method of fabricating ge or sige/si waveguide or photonic crystal structures by selective growth A method of forming a low loss crystal quality waveguide is provided. The method includes providing a substrate and forming a dielectric layer on the substrate. A channel is formed by etching a portion of the dielectric layer. A selective growth of a Si Ge, or SiGe layer is performed ... 01/25/07 - 20070019919 - Photonic crystal-based optical waveguide modulator A waveguide has upper and lower cladding regions. A core of the waveguide made of a non-linear optical polymer is positioned between the upper and lower cladding regions. A first electrode is connected to the upper cladding region and a second electrode is connected to the lower cladding region. The ... 01/11/07 - 20070009219 - Two-dimensional photonic crystal having air-bridge structure and method for manufacturing such a crystal The present invention intends to provide a two-dimensional photonic crystal having a high level of mechanical strength and functioning as a high-efficiency resonator. The two-dimensional photonic crystal according to the present invention includes a slab layer 31 under which a clad layer 32 is located. In the slab layer 31, ... 01/04/07 - 20070003201 - High efficiency light guide The present invention includes a light guide system (200) and a method (300) for increasing the efficiency of light guide systems. The light guide system can include a light conduit (204) having non-luminescent light directing portions (210) that direct light to a display structure (208) in a non-random manner and ... 12/28/06 - 20060291790 - Polymeric optical waveguide film The present invention provides a polymeric optical waveguide film whose core and clad are constituted from polymer materials and which is characterized in that a protective layer of a polymer material having resistance to solvent attack higher than that observed for the clad is arranged on at least one of ... 12/07/06 - 20060275005 - Resonator and light emitting device using the same Provided is a resonator using a three-dimensional photonic crystal. In the resonator, a range of choice of a resonance wavelength is wide and a desirable electric field distribution is obtained. The resonator according to the present invention includes a plurality of point defects provided in the three-dimensional photonic crystal. At ... 12/07/06 - 20060275004 - Optical waveguide and process for manufacturing the same The present invention provides an optical waveguide, which at least includes: a waveguide core having a cavity therein; and a clad which encloses the periphery of the waveguide core and has a smaller refractive index than the waveguide core, wherein the optical waveguide changes a direction of a part or ... 12/07/06 - 20060275003 - Light-guiding module A light-guiding module, which, with a diffusion sheet and a prism sheet (or a diffusion sheet and a brightness enhancement film), forms a backlighting module that includes a reflection cover, a light-guiding plate and at least one lighting mechanism. The reflection cover has a receiving part and reflects light. The ... 11/23/06 - 20060263025 - Photonic crystal optical element and manufacturing method therefor To provide a novel technique for producing a difference in refractive index between two regions. An optical element according to the present invention includes a first porous region (2002), a second porous region (2004), and a non-porous region (2003) formed between the first porous region (2002) and the second porous ... 11/16/06 - 20060257090 - Left-handed materials and structures based on strong dielectric anisotropy Disclosed herein are exemplary embodiments of materials and structures that have a negative refractive index. For example, one exemplary embodiment is a waveguide structure comprising a first waveguide border element having a first substantially planar surface, and a second waveguide border element spaced apart from the first waveguide border element ... 11/09/06 - 20060251372 - Method for manufacturing three-dimensional photonic crystal wherein H1 represents the actual thickness of the layer, neff1 represents the actual refractive index of the periodic refractive index structure, H represents the design thickness of the layer, neff represents the design effective refractive index of the periodic refractive index structure, and M represents a coefficient inclusive and between ... 11/09/06 - 20060251371 - Integrated electrical and optical sensor for biomolecule analysis with single molecule sensitivity An optical waveguide is constructed so as to comprise a non-solid core layer surrounded by a solid-state material, wherein light can be transmitted with low loss through the non-solid core layer, and an electrical component is in fluid communication with the non-solid core layer. The electrical component controls movement of ... 11/02/06 - 20060245710 - Optical waveguides containing quantum dot guiding layers and methods of manufacture Planar waveguides having quantum dots and methods of manufacture of the planar waveguide are described. ... 11/02/06 - 20060245709 - Photonic band gap micro-resonator device and method A photonic band gap micro-resonator device. The device comprises an array of regular elements in a surrounding matrix arranged in a grid. In at least one of a plurality of selected element positions an irregularity is presented in the form of two or more elements replacing a single regular element ... 10/19/06 - 20060233505 - Optical grating coupler An optical grating is disposed on a waveguide to redirect light from the interior of the waveguide through the opposite side of the waveguide from the grating. In one embodiment the waveguide, the grating, and an optical sensor are combined in a single monolithic structure. In another embodiment, an absorbing ... 10/19/06 - 20060233504 - Segmented waveguide structures Various embodiment comprise silicon-on-insulator waveguide designs that simultaneously achieve both high optical confinement, low-loss, and provide for electrical connections. In certain embodiments, high index contrast waveguides comprise a central elongate waveguide portion and a segmented portion comprising a single thin layer of Silicon-On-Insulator that achieves both high optical confinement and ... 10/12/06 - 20060228084 - Resistive heater for thermo optic device Resistive heaters formed in two mask counts on a surface of a grating of a thermo optic device thereby eliminating one mask count from prior art manufacturing methods. The resistive heater is comprised of a heater region and a conductive path region formed together in a first mask count from ... 09/14/06 - 20060204197 - Optical waveguide and method for preparing the same The present invention herein provides an optical waveguide which comprises a cladding and a core formed on a substrate, wherein a refractive index of a material constituting the cladding on the upper side of the core is smaller than a refractive index of a material constituting the cladding on the ... 09/14/06 - 20060204196 - Process for producing optical waveguide The present invention provides a process for producing an optical waveguide which comprises: disposing on an undercladding layer at least one member for forming an optical-path deflection plane; forming a photosensitive resin layer over the undercladding layer so as to at least partly cover the member for forming an optical-path ... 09/07/06 - 20060198592 - Method and apparatus for resonant coupling in photonic crystal circuits The present invention is a method and an apparatus for resonant coupling in photonic crystal circuits. In one embodiment, a photonic crystal device comprises a substrate having a plurality of apertures formed therethrough, a photonic crystal circuit (e.g., formed by “removing” a series of apertures), and a strip waveguide extending ... 08/24/06 - 20060188207 - Planar lightwave circuit with an optical protection layer and integrated optical circuit using the same A planar lightwave circuit having a core, a clad stacked on the core covering the core to confine light within the core, and an optical protection layer stacked on the clad covers the clad is disclosed. The clad has a lower refractive index than the core. The optical protection layer ... 08/17/06 - 20060182401 - Liquid crystal materials and electrooptic devices with a liquid crystal-containing cladding Broadly, then, one aspect of the present invention is a functional optical material composed of a liquid crystal (LC) evidencing a pair of refractive indices (RI's) and a polymer in which the LC is dispersed. The refractive index (RI) of said polymer may be outside of the L C RI's ... 08/17/06 - 20060182400 - Optical waveguide device An optical waveguide device has: photonic crystal regions 305, each having holes 304 arranged in a periodic array; and an optical waveguide 302. Within the waveguide 302, high refractive index portions 303 are arranged along the waveguiding direction. Each of the high refractive index portions 303 is generally interposed between ... 08/17/06 - 20060182399 - System and method for low loss waveguide bends In one embodiment, there is disclosed a waveguide medium using total internal reflection to create a relatively sharp (approximately 90°) bend for optical signals traversing the waveguide. A discontinuity of the medium (such as air) is used to create a turning mirror within the waveguide path. By curving the discontinuity, ... 07/27/06 - 20060165362 - Radiation curable composition, optical waveguide and method for formation thereof A radiation-curable composition containing (A) hydrolyzates of hydrolyzable silane compounds represented by general formula (1): (R1)p(R2)qSi(X)4-p-q (wherein R1 is a non-hydrolyzable organic group having 1 to 12 carbon atoms that contains fluorine atoms, R2 is a non-hydrolyzable organic group having 1 to 12 carbon atoms (but excluding ones that contain ... 07/20/06 - 20060159411 - Photonic integrated circuit An optical platform including optical bench, an optical or photonic coupling device and a photonic circuit. The photonic circuit includes a photonic crystal along a waveguide and/or defect. The coupling device may be a waveguide or impedance matching interconnection device. The optical bench includes a rectangular trench to seat an ... 07/06/06 - 20060147169 - Optical device and method of manufacturing the same An optical device comprising a substrate, a porous layer laid on the substrate having a pore diameter smaller than the wavelength of light and a crystal layer laid on the porous layer showing a refractive index greater than that of the porous layer is presented. The optical device is manufactured ... 06/29/06 - 20060140569 - Planar waveguides with air thin films used as anti-reflective layers, beam splitters and mirrors Integrated structures including a waveguide that passes through each of the sections, with the waveguide further including an in-waveguide mirror, a beam splitter or an anti-reflective element. The in-waveguide mirror, beam splitter or anti-reflective element are formed by using one or more focused ion beam (FIB) cuts or slits through ... 06/29/06 - 20060140568 - Method of controlling optical characteristic of optical element and optical device An optical element is formed by using a plurality of pillar-shaped members arranged periodically and a pair of support members arranged perpendicularly relative to the direction of arrangement of the pillar-shaped members so as to sandwich the pillar-shaped members. The optical element showing a periodic structure of periodic distribution of ... 06/29/06 - 20060140567 - Photonic crystal optical waveguide A photonic crystal optical waveguide includes a optical waveguide portion having a core made of a photonic crystal with a structure having a periodic refractive index in at least one direction perpendicular to a propagation direction of guided light and having a uniform refractive index in the propagation direction of ... 06/22/06 - 20060133756 - Methods of forming optical devices Provided are methods of forming an optical device. The methods involve: (a) applying over a first substrate a dry-film including: a carrier substrate and a first polymeric layer over the carrier substrate; (b) forming a second polymeric layer over the first substrate by a method that includes coating over the ... 06/22/06 - 20060133755 - Optical dry-films and methods of forming optical devices with dry films Provided is a dry-film suitable for use in forming an optical component. The dry-film includes a carrier substrate having a front surface and a back surface. A negative-working photoimageable polymeric layer is disposed over the front surface of the carrier substrate, and includes a photoactive component and units of the ... 06/22/06 - 20060133754 - Ultra low-loss cmos compatible silicon waveguides A low loss optical waveguiding structure for silicon-on-insulator (SOI)-based arrangements utilizes a tri-material configuration including a rib/strip waveguide formed of a material with a refractive index less than silicon, but greater than the refractive index of the underlying insulating material. In one arrangement, silicon nitirde may be used. The index ... 06/15/06 - 20060127023 - Method for manufacturing a light guide plate A method for manufacturing a light guide plate includes the following steps: (12) providing a photo mask having certain patterns of dots associated therewith; (16) using the photo mask to form an imprinting stamper; and (18) using the imprinting stamper to imprint an original light guide plate, thereby forming a ... 06/15/06 - 20060127022 - Planar optical waveguide and method of fabricating the same Provided are a planar optical waveguide and a method of fabricating the same which is adapted to a planar optical component and an optical component for use in a optical communication. The planar optical waveguide includes: a lower cladding layer formed on a substrate, a core formed on the lower ... 06/15/06 - 20060127021 - Optical waveguide devices and method of making the same An optical device structure includes a first cladding having a first refractive index, a second cladding having a second refractive index, a core disposed between the first and second claddings, wherein the core has a third refractive index, and wherein the first and second refractive indices are relatively lower than ... 06/08/06 - 20060120680 - Thermo-optical device A polymer well may be formed over a thermal oxide formed over a semiconductor substrate in one embodiment. The well may include a waveguide and a pair of heaters adjacent the waveguide. Each heater may be mounted on a platform of insulating material to reduce heat loss through the substrate ... 06/08/06 - 20060120679 - Photonic crystal energy converter A photonic crystal is configured with wavelength converting material to act as a concentrator for electromagnetic energy. The concentrator may also be configured with energy conversion devices to convert the electromagnetic energy into another form of energy. ... 06/01/06 - 20060115226 - Optical modulation element module An optical modulation element module, in which Mach-Zehnder type optical modulation element 50 having a Mach-Zehnder type waveguide unit having two branched waveguides on a substrate which has electro-optical effect and two modulation electrodes which apply a modulation signal to each branched waveguide, optical input and output units for inputting ... 05/25/06 - 20060110116 - Optical control device An optical control device includes a photonic crystal and a line-defect waveguide formed in the photonic crystal wherein the optical control device is capable of guiding, through the line-defect waveguide, a light having a wavenumber larger than a wavenumber corresponding to an anti-intersection of an even-mode band and an odd-mode ... 05/25/06 - 20060110115 - Polycarbonate resin light diffusion plate A polycarbonate resin light diffusion plate capable to sufficiently diffusing light from plural light sources disposed direct thereunder, and having no or little luminance unevenness caused by the light sources, is provided. The light diffusion plate has characteristics such as a total light transmittance from 40-80%, a total light reflectance ... 05/25/06 - 20060110114 - Manufacturing method of an optical waveguide A manufacturing method of an optical waveguide is disclosed, the optical waveguide transmitting an optical signal between a luminous source and an optical receiver. The optical waveguide is structured by forming a lower clad layer, a core section, and an upper clad layer one by one on a substrate; by ... 05/25/06 - 20060110113 - Waveguide photodetector Provided is a waveguide photodetector including: a first clad layer disposed on a substrate; a core layer disposed on the first clad layer and for absorbing predetermined light; a second clad layer disposed on the core layer; and at least one subsidiary layer inserted in the first clad layer and ... 05/18/06 - 20060104587 - Optical waveguide device, manufacturing method thereof and optical communication apparatus A method of manufacturing an optical waveguide device includes providing an optical fiber guide for fixing an optical fiber and optical element placing portions for providing element mounting benches outside a waveguide fixing region of a silicon substrate. A metallic thin film is formed outside the waveguide fixing region of ... 05/18/06 - 20060104586 - Structure of photonic crystal Disclose is a photonic crystal structure comprises atomic dielectric pillars having a refractive index distribution and a structure which are both mirror-symmetrical in a thicknesswise direction of the photonic crystal. The atomic pillars are arrayed in a two-dimensional lattice pattern to form a dielectric pillar lattice. The dielectric pillar lattice ... 05/18/06 - 20060104585 - Planar lightwave circuit and fabrication method thereof A method of fabricating a planar lightwave circuit (PLC) having an optical waveguide includes the steps of: (b) forming an initial optical waveguide having a predetermined pattern, which is a transmission medium of light, on a substrate; and (c) reflowing the optical waveguide by applying heat thereto. ... 05/18/06 - 20060104584 - Optical elements formed by inducing changes in the index of refraction by utilizing electron beam radiation An optical element such as an interference filter will have adjacent layers of different indexes of refraction but formed of the same optical material. An optical element such as a diffraction grating or beam-splitter will have adjacent sections of different indexes of refraction in the same optical material layer. An ... 05/18/06 - 20060104583 - Method of fabricating ridge type waveguide integrated semiconductor optical device Provided is a method of fabricating a ridge type waveguide integrated semiconductor optical device. The method includes: separating a substrate into an active waveguide region and a passive waveguide region and selectively epitaxial-growing an active layer and a passive layer in the active waveguide region and the passive waveguide region, ... 05/11/06 - 20060098928 - Fabrication of optical waveguide devices Disclosed is a method of fabricating an optical waveguide device including the steps of forming a mask over a waveguide core material layer so as to leave a portion of the layer exposed, and exposing the structure to an oxidizing environment to form an oxide layer on the waveguide core ... 05/11/06 - 20060098927 - Integrated sensor with electrical and optical single molecule sensitivity An optical waveguide is constructed so as to comprise a non-solid core layer surrounded by a solid-state material and a nanopore or micropore in fluid communication with the core. The non-solid core layer has an index of refraction which is lower than the index of refraction of the surrounding solid-state ... 05/11/06 - 20060098926 - Methods of forming printed circuit boards Provided are methods of forming a printed circuit board having optical functionality. The methods involve: (a) providing a first, printed circuit board substrate; (b) forming an optical waveguide structure comprising a clad and a core structure on a second substrate separate from the printed circuit board substrate, wherein the optical ... 05/04/06 - 20060093299 - Dispersion compensation device A dispersion compensation device for compensating chromatic dispersion of optical pulses launched from the exterior is disclosed. The device comprises a waveguide and a photonic crystal part, the waveguide comprising a core part for guiding the optical pulse from an input end to an output end and a clad part ... 05/04/06 - 20060093298 - Integrated optical waveguide and process for fabrication A waveguide core having a high coupling efficiency is disclosed. A method of manufacturing such a waveguide includes successive deposition of multiple layers of silicon dioxide. Deposition of each layer is followed by implantation of dopant impurities in a pre-established area of the layer. After deposition and implantation, high-temperature treatment ... 04/27/06 - 20060088266 - Waveguides assembled for transverse-transfer of optical power Formation of a substantially flat upper cladding surface over a waveguide core facilitates transverse-coupling between assembled waveguides, and/or provides mechanical alignment and/or support. An embedding medium may be employed for securing optical assemblies and protecting optical surfaces thereof. Structural elements fabricated with a low-profile core may be employed for providing ... 04/27/06 - 20060088265 - Silicon based on-chip photonic band gap cladding waveguide A waveguide structure includes a core structure that has low index materials. A photonic crystal cladding structure utilized in guiding optical modes in the core. The photonic crystal cladding structure includes alternating layers of Si and Si3N4. ... 04/20/06 - 20060083473 - Microfluidic control for waveguide optical switches, variable attenuators, and other optical devices Devices utilize elements carried by a fluid in a microchannel to switch, attenuate, shutter, filter, or phase shift optical signals. In certain embodiments, a microchannel carries a gaseous or liquid slug that interacts with at least a portion of the optical power of an optical signal traveling through a waveguide. ... 04/20/06 - 20060083472 - Optical delay element An optical delay element including a photonic crystal line defect optical waveguide is disclosed that has a large group refractive index and has small or nearly constant wavelength dispersion of the group refractive index in a wide wavelength region for practical use. The optical delay element includes a line defect ... 04/13/06 - 20060078263 - Waveguide element using photonic crystal In a waveguide element using a photonic crystal including a core formed of a photonic crystal having a refractive index periodicity in at least two directions perpendicular to a propagation direction of an electromagnetic wave and a cladding arranged in contact with the core in order to confine the electromagnetic ... 04/06/06 - 20060072891 - Methods of manufacturing mold for patterning lower cladding layer of wavelength filter and of manufacturing waveguide-type wavelength filter using the mold Disclosed herein is a method of manufacturing a mold for patterning a lower cladding layer of a wavelength filter, which includes a) etching a substrate to form a grating pattern on the substrate; b) preparing an etching mask for an optical waveguide pattern and then etching the substrate using the ... 03/30/06 - 20060067633 - Device and method for wavelength filtering Embodiments include devices and methods for wavelength filtering. For example, one embodiment includes a display comprising a plurality of the display elements each comprising a movable reflector, a first partial reflector, and a second partial reflector. The first partial reflector is positioned at a first distance from the movable reflector ... 03/23/06 - 20060062536 - Generalized transverse bragg waveguide According to various embodiments, the present teachings relate to Generalized Transverse Bragg Waveguides (GTBW) that can include an a dielectric core having an index of refraction n1 and an optical axis. The optical waveguide can further include a media having an index of refraction n2 bounding a top surface and ... 03/23/06 - 20060062535 - Optical chip interlayer optical connector Light is coupled between two or more layers of light guides in an optical chip at a desired connection point by interconnecting the light guides of each layer at the desired connection point using an “optical via”. The optical via is located between the light guides being connected in the ... 03/09/06 - 20060051042 - Two-dimensional photonic crystal slab having local tree-dimensional structure The present invention aims to provide a two-dimensional photonic crystal having an optical resonator, which allows the control of the front/back emission ratio of light. To achieve this object, a refractive index member (13) made of a material having a refractive index different from that of air is mounted on ... 03/09/06 - 20060051041 - Optical waveguide material and optical waveguide The invention provides an optical waveguide material whose refractive index can be tailored without changing the ratio of Ta and Nb. An optical waveguide of this invention comprising an under-clad layer 1 and a core 2 that is formed on the under-clad layer 1 and has a higher refractive index ... 03/02/06 - 20060045455 - Periodically poled optical crystals and process for the production thereof Periodically poled crystals and a hydrothermal growth method for making such are disclosed. Electronically periodically poled crystals are employed as seed crystals in a hydrothermal growth process in order to produce novel crystals having deep ferroelectric domains. ... 03/02/06 - 20060045454 - Asymmetric photonic crystal waveguide element having symmetric mode fields A slab photonic crystal waveguide that preserves the parity of guided modes. The waveguide includes a photonic crystal layer interposed between two dielectric layers. The photonic crystal layer includes a periodic arrangement of asymmetrically shaped dielectric regions within a surrounding dielectric material. The waveguide precludes conversion of the state of ... 02/23/06 - 20060039666 - In-line light sensor An integrated optical waveguide (1) having an in-line light sensor (2) integrally formed therewith for tapping off a small proportion of the signal transmitted along the waveguide (1). A first part (1A) of the waveguide leads to a photodiode portion (2) and a second part (1B) of the waveguide leads ... 02/16/06 - 20060034577 - Photonic crystal device A photonic crystal device according to the present invention includes: a substrate 201; a periodic structure portion 206 formed in or on the substrate 201, the periodic structure portion 206 having a plurality of holes 2050 and 2051 arranged in a periodic array; at least one optical waveguide 202 formed ... 02/16/06 - 20060034576 - Superluminescent diodes having high output power and reduced internal reflections Systems and methods according to the present invention address this need and others by providing SLD devices and methods for generating optical energy that reduce internal reflections without the use of an absorber region. This can be accomplished by, among other things, adapting the waveguide geometry to dump reflections from ... 02/09/06 - 20060029349 - Three-dimensional photonic crystal and optical element A three-dimensional photonic crystal operating at a plurality of design wavelengths, in which the photonic band gap can be adjusted to a desired wavelength band without changing the lattice period, and an optical element that can contain a defect resonator or a defect waveguide in the three-dimensional photonic crystal are ... 02/09/06 - 20060029348 - Optical waveguide structure Waveguide structures in which light confinement strength varies along the direction of light propagation are described. The waveguides include a core adapted to propagate light along a path defined by the core and a cladding material that at least partially surrounds the core. The core and the cladding material each ... 02/09/06 - 20060029347 - Photonic crystal resonator apparatus with improved out of plane coupling A two-dimensional photonic crystal resonator apparatus in which the power of light coupled out of the apparatus in one direction is greater than the power of light coupled out of the apparatus in the opposite direction The apparatus has a photonic crystal slab waveguide structure having a waveguide and a ... 02/02/06 - 20060024013 - Resonant leaky-mode optical devices and associated methods Optical devices with versatile spectral attributes are provided that are implemented with one or more modulated and homogeneous layers to realize leaky-mode resonance operation and corresponding versatile spectral-band design. The first and/or higher multiple evanescent diffraction orders are applied to excite one or more leaky modes. The one- or two-dimensional ... 02/02/06 - 20060024012 - Optical waveguide, optical waveguide ferrule, and optical connector The present invention provides an optical waveguide including an optical waveguide core for transmitting optical signals, a plate-shaped clad portion containing the optical waveguide core therein, and at least one of a concave portion and a convex portion at an end surface portion of the clad portion which end surface ... 02/02/06 - 20060024011 - Two-dimensional photonic crystal, and waveguide and resonator using the same A tetragonal lattice 104 is formed by cylindrical structural members 101, and a photonic crystal 100 has a periodical structure formed by a periodical arrangement of such tetragonal lattice 104. A distance between center points of the cylindrical structural members 101 is taken as a unit length a, which constitutes ... 01/26/06 - 20060018617 - Optical waveguide and method of manufacture An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTaxNb1-xO3 is used as an optical waveguide. The input optical signal is transmitted to the KTaxNb1-xO3 film. The KTaxNb1-xO3 film ... 01/26/06 - 20060018616 - Optical waveguide and method of manufacture An optical waveguide capable of having various characteristics and a method of manufacture thereof as well as a method of manufacturing a crystal film are provided. An optical functional material KTaxNb1-xO3 is used as an optical waveguide. The input optical signal is transmitted to the KTaxNb1-xO3 film. The KTaxNb1-xO3 film ... 01/26/06 - 20060018615 - Method of fabricating optical waveguide A method of fabricating an optical waveguide which comprises forming a core layer (c) on surface of a peelable substrate (a), then forming a clad layer (d) on the surface of the core layer (c) and the surface of the substrate (a), and then peeling the substrate (a) off from ... 01/19/06 - 20060013551 - Symmetrization structures for process-tolerant integrated optical components An integrated planar waveguide system including at least two primary waveguides for light propagation and coupling, and two or more mirror-imaged symmetrization structures in close proximity to the primary waveguides in order to provide micro-process-equalization during etch, growth, annealing and reflow processes. The primary waveguides are designed to carry light ... 01/12/06 - 20060008227 - Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides An optical waveguide is constructed so as to comprise a non-solid core layer surrounded by a solid-state material. The non-solid core layer has an index of refraction which is lower than the index of refraction of the surrounding solid-state material, and light can be transmitted with low loss through the ... 01/12/06 - 20060008226 - Fiber optic wafer probe A fibre optic wafer probe that includes a fibre optic cable for approaching a device under test. ... 01/12/06 - 20060008225 - Process for producing flexible optical waveguide The present invention provides a process for producing a flexible optical waveguide which comprises the steps of: immersing a substrate having an optical waveguide formed thereon in water to thereby reduce adhesion between the optical waveguide and the substrate and then peeling the optical waveguide from the substrate; temporarily bonding ... 01/12/06 - 20060008224 - Laminated optical waveguide film, method of producing the same, and optical waveguide module The invention provides a laminated optical waveguide film in which a plurality of waveguide cores are formed, and a plurality of end surfaces at which the waveguide cores are exposed are formed, wherein, among the plurality of end surfaces, a first end surface has waveguide core end surfaces laminated in ... 01/12/06 - 20060008223 - Pn diode optical modulators fabricated in rib waveguides High speed optical modulators can be made of a reverse biased lateral PN diode formed in a silicon rib optical waveguide disposed on a SOI or other silicon based substrate. A PN junction is formed at the boundary of the P and N doped regions. The depletion region at the ... 01/12/06 - 20060008222 - Photosensitive resin composition for optical waveguide formation and optical wave guide (C) a photoradical polymerization initiator. The composition has excellent patterning ability, refractive index, heat resistance, and transmission characteristic. ... 01/05/06 - 20060002676 - Method and apparatus for fabricating waveguides and waveguides fabricated therefrom A method for adaptively fabricating a waveguide comprises: measuring misplacement of a photonic device relative to a substrate; generating computer readable instructions for using a plurality of graphics primitives to form the waveguide; and photocomposing the waveguide on the substrate in accordance with the computer readable instructions. A reticle comprises ... 01/05/06 - 20060002675 - Light guide plate for surface light-emitting device and method of manufacturing the same A light guide plate for a surface light-emitting device and a method of manufacturing the same are disclosed wherein the light guide plate is constructed in the form of an optical waveguide including an upper cladding film, core films formed with V-cut grooves, and a lower cladding film, so that ... 12/29/05 - 20050286851 - Method and apparatus for polarization insensitive phase shifting of an optical beam in an optical device An apparatus and method for modulating a phase of optical beam independent of polarization. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical waveguide disposed in semiconductor material, the first region having a first conductivity type, and a second region ... 12/29/05 - 20050286850 - Waveguide structures and methods A waveguide structure has a base having a base height (h) above a substrate and a rectangular waveguide having a waveguide height (H) above the substrate and a waveguide width (W) between opposing sides of the waveguide. ... 12/22/05 - 20050281525 - Phase shifting optical device with dopant barrier A doped barrier region included in an optical phase shifter is disclosed. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical waveguide and a second region of the optical waveguide. The second region of the optical waveguide includes a higher ... 12/22/05 - 20050281524 - Photonic crystal-based optical elements for integrated circuits and methods therefor Exemplary embodiments of the invention provide photonic crystal-based optical elements for integrated circuits. A photonic crystal optical device comprises a substrate and a plurality of pillars forming a photonic crystal structure over the substrate. The pillars are spaced apart from each other. Each pillar has a height and a horizontal ... 12/22/05 - 20050281523 - Method and structure of electric field poling of ti indiffused linbo3 substrates without the use of grinding process A method and structure are disclosed with a simplified approach for fabricating a LiNbO3 wafer with Ti indiffusion wafeguide on the surface that is domain inverted. The method involves indiffusing Ti into LiNbO3 with a predefined temperature and time indiffusion range, a Li enriched and dry oxygen atmosphere, which allows ... 11/24/05 - 20050259936 - Surface-plasmon index guided (spig) waveguides and surface-plasmon effective index guided(speig) waveguides A new class of surface plasmon waveguides is presented. The basis of these structures is the presence of surface plasmon modes, supported on the interfaces between the dielectric regions and the flat unpatterned surface of a bulk metallic substrate. The waveguides discussed here are promising to have significant applications in ... 11/24/05 - 20050259935 - Optical device, optical device manufacturing method, and optical integrated device In a multi-mode interference waveguide (MMI) of a sheet shape spreading in the length direction and the width direction, the length of the multi-mode interference waveguide is set to such a length that the unique mode interferes in the length direction, thereby reducing the coupling loss when inputting/outputting the signal ... 11/10/05 - 20050249473 - Method for enhancing optical characteristics of multilayer optoelectronic components The method of the invention consists of implanting ions into the surface of multilayer optical waveguides, in the highly doped layer, in a defined pattern so as to modify the refractive index of this layer. ... 11/03/05 - 20050244125 - Method and apparatus for phase shifting an optical beam in an optical device An apparatus and method for high speed phase modulation of optical beam with reduced optical loss. In one embodiment, an apparatus includes a first region of an optical waveguide disposed in semiconductor material. The first region has a first conductivity type. The apparatus also includes a second region of the ... 11/03/05 - 20050244124 - Waveguide compositions and waveguides formed therefrom Provided are compositions which include a polymer, having units of the formula (RSiO1.5), wherein R is a substituted or unsubstituted organic group, and a plurality of functional end groups. A first component is provided for altering the solubility of the composition in a dried state upon activation. A second component ... 11/03/05 - 20050244123 - Optical element, manufacturing method thereof, and optical device A photoinduced refractive-index changing region is formed by irradiating while focusing a single beam of pulse laser light having an energy amount to cause a photoinduced change in refractive index onto a light guide of an optical element such as a lens, a mirror, a diffraction grating, a polarizer, or ... 11/03/05 - 20050244122 - Optical element with periodic structure An optical element comprising a periodic structure in which refractive index is distributed periodicly and a deforming portion which mechanically deforms by external action, wherein the deforming portion is integrally arranged with the periodic structure along the periodic direction of the periodic structure, and is so constructed as to change ... 10/27/05 - 20050238310 - Stacked three dimensional photonic crystal, light emitting device, and image display apparatus Provided is a light emitting structure which can emit light having a plurality of wavelength distributions from a single light emitting structure, can be integrated at high density, and can control a radiation mode pattern of radiation light and polarization thereof. A stacked three-dimensional photonic crystal is composed of a ... 10/20/05 - 20050232563 - Method for producing an optical waveguide and said optical waveguide The invention concerns a method for producing an optical waveguide from a material which is flowable before final solidification, in a mold, wherein, on a first introduction of the flowable material at least one radiation-emitting emitter with its connecting means electrically contacting the emitter is surrounded by said material, and ... 10/13/05 - 20050226583 - Optical interconnection circuit board and manufacturing method thereof In an optical connection board, a first clad layer is formed on a flat surface of a substrate and a core layer is formed on the first clad layer and is extended in a propagation direction of an optical signal. The core layer is covered with a second clad layer. ... 10/06/05 - 20050220433 - Methods for producing waveguides Methods for producing waveguides are disclosed. In one embodiment, a waveguide is produced by depositing a first metal layer on a substrate, depositing a sacrificial material on the first metal layer, depositing a second metal layer on the sacrificial material, the second metal layer contacting the first metal layer and ... 09/29/05 - 20050213915 - Method of manufacturing optical waveguide device In a method of manufacturing an optical waveguide device, the surface of a core can be planarized in a concaving process. In this manufacturing method, a plasma CVD apparatus having a coil for producing plasma and a table for mounting products is used. In the method, a first cladding having ... 09/29/05 - 20050213914 - High efficiency light guide The present invention includes a light guide system (200) and a method (300) for increasing the efficiency of light guide systems. The light guide system can include a light conduit (204) for directing light and a reflective material (206) coated to the light conduit without a boundary between the light ... 09/29/05 - 20050213913 - Optical waveguide circuit and method for fabricating the same An optical waveguide circuit comprising a plurality of first cores (203) arranged at intervals widening as they are away from the branch point or the joining point of optical signal, a clad (205) filling at least these first cores, and second cores (204) provided between the first cores and the ... 09/29/05 - 20050213912 - Optical waveguide A waveguide, which is part of an integrated optical circuit is arranged onto a planar substrate, and has a core section propagating light to a direction of propagation. The waveguide is a conversion waveguide between a ridge-type waveguide and a strip waveguide. In the conversion waveguide, the core section is ... 09/29/05 - 20050213911 - Method for manufacturing a photonic device and a photonic device The present invention relates to a photonic device having a first set of layers (22) including at least a first waveguide layer (3) arranged in a waveguide mesa (61). A cladding layer (7) is arranged on top of the waveguide mesa (61) and surrounding semiconductor material (1). A contact layer ... 09/22/05 - 20050207718 - Optical waveguide device, manufacturing method for optical waveguide device and intermediate of optical waveguide device The spacers 3 and 4 and the recess is formed on the supporting substrate 2 to support the upper cladding layer 7. The intermediate surface 22 and 23 lower than the top surface of the spacers 3 and 4 and higher than the inner bottom surface of the recess is ... 09/22/05 - 20050207717 - Three-dimensional periodic structure and functional element including the same A three-dimensional periodic structure exhibiting a complete photonic band gap in a wide wavelength range and being readily produced, as well as a functional element including the same, is provided. In the three-dimensional periodic structure exhibiting a photonic band gap according to the present invention, layers composed of a plurality ... 09/15/05 - 20050201706 - Sheet-shaped light guide and communication system using the same In a sheet-shaped light guide (95), which includes particles for scattering light in a sheet-shaped optical medium and propagates signal light incident from one end face of the sheet-shaped light guide to the other end face side while scattering the signal light by the particles, a high-refractive-index portion 95a and ... 09/15/05 - 20050201705 - Apparatus, method, and computer program product for structured waveguide including recursion zone An apparatus and method for a substrate-supported transport system with a radiation baffle system. The transport includes a semiconductor substrate, the substrate supporting: an integrated waveguide structure, the waveguide structure including a guiding channel and one or more bounding regions for propagating a radiation signal from an input to an ... 09/15/05 - 20050201704 - Apparatus, method, and computer program product for transverse waveguided display system An apparatus and method for a switch for a radiation signal. The switch includes a first waveguiding channel having a guiding region and one or more bounding regions coupled to the guiding region, the first waveguiding channel including a first lateral guiding port in a portion of the bounding regions, ... 09/08/05 - 20050196118 - Three-dimensional periodic structure, functional element including the same, and light-emitting device A three-dimensional periodic structure exhibiting a complete photonic band gap in a wide wavelength range and being readily produced, as well as a functional element including the same, is provided. In the three-dimensional periodic structure exhibiting a photonic band gap according to the present invention, layers composed of a plurality ... 09/08/05 - 20050196117 - Reduction of polarization dependence in planar optical waveguides The invention relates to a method of reducing polarization dependence in planar optical waveguides using index and coefficient of thermal expansion (CTE) matched material between the optical waveguide core and the cladding layer. For coupled mode devices such as the directional coupler or mode conversion horn polarization sensitivity has been ... 09/08/05 - 20050196116 - Silica optical waveguide and method of manufacturing the same The invention relates to a silica optical waveguide having a clad layer and a core formed from a silica material and a method of fabricating the same and provides a silica optical waveguide in which the position of a core can be easily recognized and a method of manufacturing the ... 09/01/05 - 20050191022 - Optical waveguide device and method of manufacture thereof An optical waveguide device according to the invention is provided with a substrate (271), a metal layer (272) arranged on the substrate (271), a plurality of claddings (262) arranged on the metal layer (207) via grooves (205), cores (202) arranged in the claddings (262) for transmitting lights, optical waveguides (201) ... 09/01/05 - 20050191021 - Optical element, spectroscope and condenser In a photonic crystal 1, the refractive index of the medium 2, the period of the lattice, and the like are fixed; however, the size of the air holes 3 gradually varies in the direction of the z axis. Almost all of the light 4 with a vibration number in ... 09/01/05 - 20050191020 - Display device A display device is provided that includes a display panel having a light-emitting unit for emitting light according to predetermined display data, an elongated optical waveguide unit which guides the light incident from the light-emitting unit and has a core layer and an addressing unit for selecting the light from ... 08/18/05 - 20050180713 - Surface waveguide and method of manufacture A surface waveguide is disclosed. In the illustrative embodiment, the waveguide has a core and an upper and lower cladding. The core has a thickness that is greater than the critical thickness of the material that composes the core. This is achieved by depositing/growing the core as a conformal layer ... 08/18/05 - 20050180712 - Photoimageable waveguide composition and waveguide formed therefrom Provided are photodefinable compositions suitable for use in forming an optical waveguide. The compositions include a silsesquioxane polymer having polymerized units of the formula (R1SiO1.5) and (R2SiO1.5), wherein R1 and R2 are different and are substituted or unsubstituted organic side chain groups and are free of hydroxy groups, and two ... 08/18/05 - 20050180711 - Dual loop automatic power control of optical transmitters Output optical power of an optical transmitter is regulated to compensate for fluctuations in output optical power and for tracking error. Dual loop automatic power control includes an optical sensor feedback loop for sensing optical energy proximate a back facet of the optical transmitter and a thermal sensor feedback loop ... 08/11/05 - 20050175306 - Waveguides with integrated lenses and reflective surfaces Optical waveguides with integrated collimating lenses and/or reflectors or mirrors are disclosed. The waveguides can include a convex collimating lens disposed at an end of the core. An integrated reflecting device may be inserted into the core so that at least a portion of the signal is directed upward through ... 08/11/05 - 20050175305 - Method and apparatus for polarization insensitive phase shifting of an optical beam in an optical device An apparatus and method for modulating a phase of optical beam independent of polarization. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical waveguide disposed in semiconductor material, the first region having a first conductivity type, and a second region ... 08/11/05 - 20050175304 - Method for guiding an electromagnetic radiation, in particular in an integrated optical device A method for guiding electromagnetic radiation by providing a photonic crystal made of a bulk material with a predetermined refractive index and having a periodic array of holes with predetermined radius, and feeding to that region an electromagnetic radiation having a wavelength in the fundamental photonic band and so related ... 08/04/05 - 20050169592 - Optical waveguide device, and method of manufacturing optical waveguide device The present invention provides a glass optical waveguide device that comprises silica glass and is usable despite a relatively large refractive index difference between its core layer and cladding layer, and a method of manufacturing such device. This optical waveguide device includes a core layer on or over a substrate ... 08/04/05 - 20050169591 - Planar optical waveguides with photonic crystal structure Planar optical waveguide comprising a core region and a cladding region comprising a photonic crystal material, said photonic crystal material having a lattice of column elements, wherein at least a number of said column elements are elongated substantially in an axial direction for said core region. The invention also relates ... 07/28/05 - 20050163446 - Method of producing polymer optical waveguide A method of producing a polymer optical waveguide, the method including preparing a core-forming mold having a concave portion corresponding to at least one optical waveguide core, bringing a concave side of the core-forming mold into close contact with a flat substrate, filling a core-forming curable resin into the concave ... 07/28/05 - 20050163445 - Optical waveguide and method of fabricating the same An optical waveguide comprises a silica substrate, a buffer layer formed on the silica substrate, cores formed on the buffer layer, and upper cladding layer formed on the buffer layer, covering the cores. The thermal expansion coefficients of the buffer layer and upper cladding layer are set to be substantially ... 07/21/05 - 20050158004 - Fluorine-containing material for optical waveguide There is provided a material which can give a high elasticity and heat resistance to an optical waveguide member by photo-curing while maintaining transparency in a near infrared region and further makes it possible to use a film forming process by a spin coating method and a process for producing ... 07/21/05 - 20050158003 - Method of producing polymer optical waveguide A method of producing a polymer optical waveguide, including: preparing a mold; preparing a lower film base material; introducing a core-forming curable resin into a first through-hole of the mold with which the lower film base material is brought into close contact while sucking the concave portion of the mold ... 07/21/05 - 20050158002 - Low loss silicon waveguide and method of fabrication thereof A silicon rib waveguide that has a silicon nitride cladding layer of predetermined thickness to reduce optical loss of light propagating therethrough. An exemplary embodiment of the waveguide is fabricated by using a silicon-on-insulator structure having a single crystal silicon layer bonded to a silicon wafer with a layer of ... 07/14/05 - 20050152659 - Optical control element An optical control element is disclosed that can be made small and has a low loss, and is able to provide group speed control and wavelength dispersion of short light pulses. The optical control element is formed from a photonic crystal, and includes a first portion having a first refraction ... 07/14/05 - 20050152658 - Silicon optical device An optical device can be fabricated by forming a silicon rib, such as a poly-silicon rib, on a SOI substrate so that a portion of the SOI substrate is exposed, and by forming silicon spacers, such as amorphous or poly-silicon spacers, that round off corners of the silicon rib. ... 07/14/05 - 20050152657 - Method for forming optical waveguide The method of the invention can produce an optical waveguide without the need for a high vacuum as in the thin film deposition method and without the use of a molten salt, and is capable of dispersing Cu+ ions selectively in a glass substrate with excellent controllability. ... 07/14/05 - 20050152656 - Photonic crystal structure for mode conversion A photonic crystal guided propagation structure. The structure includes a guide portion Wn, n being a positive real number or zero number, having a first configuration of rows of patterns, and a guide portion Wm, m being a real number, m>n, having a second configuration of rows of patterns, and ... 07/07/05 - 20050147372 - Wave-guided optical indicator The invention relates to an indicator comprising a light-guiding layer, a cladding layer on one surface of said light-guiding layer, and a patterning layer on the other surface. ... 07/07/05 - 20050147371 - Two-dimensional photonic crystal optical resonator and optical reflector using interference between point defects The present invention has been devised to provide a two-dimensional photonic crystal optical resonator and optical reflector having high light-extracting efficiency. This is achieved by the following construction. A two-dimensional photonic crystal consisting of a slab-shaped body 11 is created by periodically arranging areas (or holes) 12 having a refractive ... 06/30/05 - 20050141840 - Laser-written cladding for waveguide formations in glass High-energy pulses of femtosecond lasers form cladding portions of waveguides in bulk glass by producing localized reductions in refractive index. The cladding portions written by the high-energy pulses circumscribe unexposed core portions for defining light-guiding pathways in the bulk glass. ... 06/30/05 - 20050141839 - Waveguide compositions and waveguides formed therefrom Provided are compositions suitable for use in forming a flexible optical waveguide. The compositions include a polymer, having units of the formula (RSiO1.5), wherein R is a substituted or unsubstituted organic group, and a plurality of functional end groups. A first component is provided for altering the solubility of the ... 06/30/05 - 20050141838 - Optical waveguide device and manufacturing method thereof An optical waveguide device and a manufacturing method thereof are disclosed. The optical waveguide device includes an end surface having a substrate, a clad layer on the substrate and a waveguide in the clad layer. The end surface is connected to an optical fiber array having at least one optical ... 06/30/05 - 20050141837 - Bendable light guide A light guide device having light propagating therein that comprises a first film of a first index of refraction including a surface, a second film of a second index of refraction different from the first index of refraction formed in the first film in a waveform, a plurality of first ... 06/23/05 - 20050135765 - Optical waveguide device, and method for fabricating the optical waveguide device An optical waveguide device serving as a planar lightwave circuit, and an optical waveguide device which enables an attempt to realize greater functionality as a planar optical waveguide device. An optical waveguide device is configured to have a first cladding layer, a core formed on the first cladding layer for ... 06/23/05 - 20050135764 - Fabrication of multi-layer dispersion-engineered waveguides A multi-layer laterally-confined dispersion-engineered optical waveguide may include one multi-layer reflector stack for guiding an optical mode along a surface thereof, or may include two multi-layer reflector stacks with a core therebetween for guiding an optical mode along the core. Dispersive properties of such multi-layer waveguides enable modal-index-matching between low-index ... 06/16/05 - 20050129377 - Process for producing optical waveguide The invention provides a process for producing an optical waveguide, which comprises the steps of: forming a substrate adhesion layer on a surface of a substrate from a layer-forming material containing a coupling agent; forming an undercladding layer on the substrate adhesion layer; and forming a core layer having a ... 06/09/05 - 20050123259 - Strip loaded waveguide integrated with electronics components A strip loaded waveguide comprises a slab and a strip, wherein the strip is separated from the slab. Nevertheless, a guiding region is provided for propagating an optical mode and this guiding region extends both within the strip and the slab. A layer of material having an index of refraction ... 06/02/05 - 20050117866 - Strain tunable, flexible photonic crystals A device is described based on flexible photonic crystal, which is comprised of a periodic array of high index dielectric material embedded in a flexible polymer. Dynamic, real time tunability is achieved by the application of a variable force with a MEMS actuator or other means. The force induces changes ... 06/02/05 - 20050117865 - Optical waveguide device An optical waveguide device is disclosed that includes a lower clad layer of a polymer resin material formed on a substrate, a core of a polymer resin material formed on the lower clad layer, and an upper clad layer of a polymer resin material covering the core. The core surrounded ... ### FreshPatents.com Support - Terms & Conditions |