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Optical waveguides September class, title,number 09/06

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
09/21/2006 > 29 patent applications in 17 patent subcategories. class, title,number

20060210210 - Adaptive pulse shape control: A method, apparatus, and computer program product are provided for optimising the pulse shape of optical signals output from an optical transmitter. The optical transmitter includes an optical modulator controlled by a bias voltage and a signal drive level, wherein the bias voltage and signal drive level are controlled automatically...

20060210211 - Coherent optical channel substitution: In an optical data transmission system, one channel is removed from a group of wavelength division multiplexed optical channels and another channel carrying different information at the same wavelength is inserted in its place. The process occurs by adding an optical signal whose electric field is the difference between the...

20060210212 - Optical device: An optical device having a substrate having an electro-optical effect, an optical waveguide formed in the substrate, and an electric field emission electrode, and an electric field convergence electrode to which an electric field emitted from the electric field emission electrode converges. The optical waveguide is formed such that light...

20060210216 - Compact optical devices and methods for making the same: Compact optical devices and methods of constructing the same are disclosed. The optical devices are formed with perpendicular orientations to the surface of a supporting layer (e.g., substrate), and have three-dimensional structures rather than planar structures. The optical devices can be formed with high density on supporting layers without the...

20060210214 - Integrated volume holographic optical circuit apparatus: The present disclosure is directed to an optical apparatus suitable for coupling to an optical network. The optical apparatus is adapted to transmit multiplexed optical signals on the optical network and/or de-multiplex optical transmissions from the network. The optical apparatus includes an optical waveguide and an optoelectronic device. The optical...

20060210213 - Optical backplanes with integrated optical couplers and methods of making the same: Optical backplanes providing integrated optical couplers to external optical fibers are disclosed, along with methods for making the same. An exemplary optical backplane has a first cladding layer disposed over the top surface of a substrate, and at least a first core body disposed over the first cladding layer, with...

20060210217 - Optical module, mounting method of the same and optical system having optical module mounted on substrate: An optical module mounting method for mounting an optical module including a plurality of light emitting points onto a substrate including an optical waveguide is provided. The method includes mounting the optical module on the substrate such that a surface of the optical module including the plurality of light emitting...

20060210215 - Optical transceiver array: A board level optical system for high speed device interconnection is disclosed. A constant intensity laser is mounted on a board substrate, and the laser light is divided into a plurality of optical channels using a waveguide splitter that is integrated into the substrate. An array of high speed optical...

20060210218 - Electrical x-talk shield for mems micromirrors: A micro-electro-mechanical (MEMs) mirror device for use in an optical switch is disclosed. A “piano”-style MEMs device includes an elongated platform pivotally mounted proximate the middle thereof by a torsional hinge. The middle portion of the platform and the torsional hinge have a combined width less than the width of...

20060210219 - Optical transmitter: An optical transmitter for coupling and wavelength-multiplexing optical signals with a different wavelength has 3 or more light sources for emitting parallel optical signals with a different wavelength, and 2 kinds of optical components with a different optical signal reflectance arranged in an optical path of each light source for...

20060210220 - Dispersion compensating method and dispersion compensating apparatus: A dispersion compensating method for carrying out automatic level control with the use of target output power and an ASE correction value corresponding to the number of wavelengths to multiplex and making output power of a wavelength multiplexed signal constant, comprising the steps of: switching into automatic gain control in...

20060210221 - Method for restoring photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide: The present invention provides a new and unique method for increasing the photosensitivity of a large diameter optical waveguide having a cross-section of at least about 0.3 millimeters. The method features loading the large diameter optical waveguide with a photosensitizing gas at a pressure at least about 4000 pounds per...

20060210222 - Connector device for coupling optical fibres, and method of production thereof: A connector device for coupling non-aligned optical fibres (19, 20), in which light is directed from one fibre to another by a reflector (12) and lenses (13, 14) and the positional relationship between the ends of the optical fibres and the reflector is determined by means (31, 32, 33) for...

20060210223 - Waveguide type optical splitter and waveguide type optical module comprising the same: An object is to achieve both high-density output waveguides and uniformity of the losses between the output waveguides. In a waveguide type optical splitter, formed on a substrate are an input waveguide, a plurality of output waveguides, and a slab waveguide. The slab waveguide has an input end and an...

20060210224 - Optical connector apparatus having a light shielding device of a simple structure: An optical connector apparatus includes a first and a second optical connector which are optically connectable to each other. The first optical connector includes a first connector body, a first light shielding device fitted to the first connector body in a first fitting direction, and a first guide portion coupled...

20060210225 - Optical transceiver and optical connector: An optical transceiver 10 includes an optical device 16 which is provided upon a substrate 11, an optical connector 14 which is connected to an optical fiber 15a, and a connector holder 13 for optically connecting together the optical device and the optical connector 14. The connector holder 13 includes...

20060210226 - Method of making densely packed light guide ribbon: Provided is a method of making a densely packed light guide ribbon. More specifically, in at least one embodiment, a first clad layer is deposited upon a carrier. A first plurality of spaced light guides are then provided upon the first clad layer. A second clad layer is then deposited...

20060210227 - Ir supercontinuum source: This invention pertains to a device for broadening optical wavelength in the 2-14 μm region comprising a light source and a highly nonlinear chalcogenide fiber associated therewith whereby a light signal is passed from the light source into the fiber wherein and through interactions between the light signal and the...

20060210228 - Fiber detector apparatus and related methods: A fiber detector apparatus includes a hub having one or more electrical contacts. The hub is configured to be placed against a connector, which is disposed on an electromagnetic energy source, such that electrical continuity is established between the electrical contacts of the hub and electrical contacts on a connector...

20060210230 - Fiber optic storing and dispensing apparatus: Storage and dispensing apparatus for use with a unitary length of coilable fiber optic cable having a minimum bending radius, such apparatus having a casing within which is journaled a rotatable spool having two grooves in which relatively long and relatively short lengths of the cable may be coiled. One...

20060210229 - Normal through optical panel: A fiber optic connection panel including a chassis and a circuit module. The circuit module can include a housing, a plurality of adapters, and a plurality of fiber optic connectors connected to the adapters. The circuit module can also include an optical switch mounted to a printed circuit board, a...

20060210231 - Sealed feedthrough assembly for optical fiber: The present invention relates to a sealing device for optical fiber, comprising in combination a plurality of conical jaws (4) with which optical fiber (1) is in line, a body including a corresponding female cone (3) intended to receive the jaws, a nut (6) screwed on the body so as...

20060210232 - Planar waveguide-based variable optical attenuator: A planar waveguide-based variable optical attenuator having excellent mass-productiveness and suitable for miniaturization is provided at a low cost. The planar waveguide-based variable optical attenuator includes a multimode interference optical waveguide having an incoming end and an outgoing end, and a thin-film heater arranged at a predetermined position on one...

20060210237 - Electronic function part mounted body and method of manufacturing the electronic function part mounted body: A spiral contactor is provided on a substrate. An electronic function part and the substrate are adhered with an anisotropic conductive paste while an electrode portion of the electronic function part is being contacted with the spiral contactor. Thus, the electronic function part and the substrate can be securely fixed...

20060210235 - Frameless hollow roof mirror and method of manufacture: The present invention relates to optical components for reversing and inverting images, and to methods of manufacturing them accurately, robustly and cost-effectively. The method includes optical contact bonding a first optical element and a second optical element and adhesively bonding the first optical element and the second optical element. Adhesively...

20060210233 - Method and apparatus for forming a photonic crystal: Embodiments of methods, apparatuses, devices, or systems for forming a photonic crystal are described....

20060210236 - Outside rear view mirror: An external rear view mirror for vehicles includes a mirror head the is fixedly secured to the vehicle. A housing defines an opening and a housing rear wall. The housing rear wall defines a recess that extends along a portion thereof. A turn-signal lamp, designed to generate light, is fixedly...

20060210238 - Sunken electrode configuration for mems micromirror: A micro-electro-mechanical (MEMs) mirror device for use in an optical switch is disclosed. A “piano”-style MEMs device includes an elongated platform pivotally mounted proximate the middle thereof by a torsional hinge. The middle portion of the platform and the torsional hinge have a combined width less than the width of...

20060210234 - Thin package for a micro component: Techniques are disclosed for fabricating a relatively thin package for housing a micro component, such as an opto-electronic or MEMs device. The packages may be fabricated in a wafer-level batch process. The package may include hermetically sealed feed-through electrical connections coupling the micro component to electrical contacts on an exterior...

  
09/14/2006 > 46 patent applications in 30 patent subcategories. class, title,number

20060204161 - Two-dimensional photonic crystal multiplexer/demultiplexer: An object of the present invention is to provide a multiplexer/demultiplexer capable of preventing a decrease in multiplexing/demultiplexing efficiency due to an error in wavelength or due to a crosstalk with other wavelengths. A two-dimensional photonic crystal having holes 22 cyclically arranged is provided with an input waveguide 23 and...

20060204162 - Device for mach-zehnder modulator bias control for duobinary optical transmission and associated system and method: An electro-optical device includes an amplifier having an input receiving a data signal, a crossing adjustment input, and an output. The device includes a light source and a Mach-Zehnder modulator having a first input coupled to the output of the amplifier, an optical input coupled to the laser, a bias...

20060204163 - Polarization element and optical device using polarization element: A high performance polarization splitting element and an optical device using the polarization splitting element are provided. According to an embodiment of the present invention, the optical device includes a first periodic structure having a period shorter than a wavelength of used light, a second periodic structure which has a...

20060204165 - Calculation of birefringence in a waveguide based on rayleigh scatter: Light is coupled into two polarization modes of a waveguide, e.g., an optical fiber. The spectral response of Rayleigh backscatter in the waveguide segment for the two polarization modes is measured, e.g., using OFDR, OTDR, OLCR, etc. The autocorrelation of the spectral response is calculated. The spectral (wavelength) shift from...

20060204164 - Low cost fiber-optic gage and associated multi-channel all-optical data collecting system: Simplified and insensitive to ambient condition fiber-optic gage and associated multi-channel data collecting system capable of all-optical measurements of a physical phenomenon, such as gas and liquid pressure, temperature, structural movement and force without fire and explosion hazards associated with conventional strain gage technologies, such as resistance foil strain gages....

20060204168 - Interconnect mechanism for connecting a laser driver to a laser: A transmission mechanism for transmitting an electrical signal from the output stage of an electro-optic transducer driver to an electro-optic transducer. The transmission mechanism includes the electro-optic transducer, the electro-optic transducer driver and a termination resistor. A first node of the termination resistor is coupled to the first differential input...

20060204166 - Method and apparatus for monitoring and calibrating an emissive pixel: The present invention provides techniques to calibrate the emissive pixels used in printers and displays. The emissive pixels are arranged in a linear array or in a two dimensional array. For the transparent substrate on which the emissive pixels are formed, the light emitted by a pixel is measured by...

20060204167 - Substrate, device and method for forming a guidance structure in the substrate, and positioning method: A substrate is bonded to a semiconductor integrated circuit to which plural solder bumps have been adhered. The substrate includes: plural contact portions that are disposed at positions corresponding to the positions of the plural solder bumps and include contact surfaces which contact the solder bumps; and a guidance structure...

20060204169 - All-optical controllable photonic switch: A photonic switch matrix is disclosed. The photonic switch matrix includes a first pair of power splitters, each power splitter including one input and two output ports and a second pair of power splitters, each power splitter including two input ports and one output port. The photonic switch matrix further...

20060204171 - Optical transmission system including dispersion slope compensation: A WDM optical transmission system and method uses slope compensation at the transmit terminal and/or the receive terminal. The system and method may be used with modulation formats with a short pulse width and a broad optical spectrum....

20060204170 - Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration method: An optical regeneration system for regenerating a degenerated signal light, comprising a regeneration device having at least one of a soliton converter, a pulse roller, a Kerr-shutter and a soliton purifier. The solilton converter uses an anomalaous-dispersion fiber (ADF) having a fiber length up to three times the soliton frequency,...

20060204172 - All-optical bi-stable devices: An all-optical bi-stable device includes first and second comparators, each having an activating input, a threshold input, and a clamping output; a first optical path between the first clamping output and the second threshold input; a second optical path between the second clamping output and the first threshold input; at...

20060204173 - Optical connector, optical coupling method and optical element: An optical connector used for inputting light to an optical element from an external optical system or outputting light from an optical element to an external optical system includes a photonic crystal having a periodic refractive index structure, and an optical waveguide to be optically coupled to the optical element...

20060204174 - Dynamic optical waveguide sensor: Methods and apparatuses that sense physical parameters, such as pressure and strain, using optical waveguide sensors are described. A light source emits light at a predetermined wavelength along an optical waveguide having a fiber Bragg grating optical sensing element. That sensing element reflects light in accord with a sloped shape...

20060204175 - Integrated optics spot size converter and manufacturing method: The invention relates to an optical component (1) comprising a combination of optical waveguide elements for modifying the spot size of a mode of an electromagnetic field propagated by an optical waveguide element, the optical waveguide elements being formed on a substrate. The object of the present invention is to...

20060204176 - Three-dimensional optical waveguide and optical communication system: A three-dimensional optical waveguide includes plural cores, a cladding, and an optical path converting device disposed at least at a part of the cores. The cores are provided in a specified direction at least in two rows and in two layers. The cores are buried in the cladding and the...

20060204177 - Low cost, high precision multi-point optical component attachment: A method for precisely aligning a first optical component to a second optical component that is coupled to a substrate. At least one of a number of coupling elements is modified to attach the first optical component to the substrate. An optical coupling quality of the first optical component to...

20060204178 - Multi-fiber fiber optic receptacle and plug assembly: A fiber optic receptacle and plug assembly adapted to be mounted within an opening through a wall of a connection terminal. The receptacle and plug define complimentary alignment and keying features for ensuring that the plug is mated with the receptacle in a predetermined orientation. An alignment sleeve is disposed...

20060204179 - Optical connector: An optical fiber connector plug includes a housing through which extends a cable containing at least one optical fiber. A ferrule, which is supported by the housing, is provided for receiving the optical fiber. The ferrule has a mating facet and an opposing rear facet located in the housing. The...

20060204180 - Three piece receptacle assembly for optical transceiver sub-assemblies: A receptacle assembly that receives an optical connector. The receptacle assembly includes a first piece having a central bore with a stepped diameter. The receptacle assembly also includes an annular second piece designed to receive the optical connector and that has an outside surface designed to establish an interference fit...

20060204181 - Cable termination: An optical cable termination includes a termination body and a pressure test section. The pressure test section includes a body configured to be press fit, screwed or otherwise attached to an end of the termination body and at least one test port. The pressure test section allows for testing of...

20060204182 - Apparatus and method for coupling a fiber to a photodetector: A fiber-photodetector coupling apparatus and method for coupling a fiber to a photodetector. A photodetector is mounted on one surface of the platform, with its active region facing an opening in the platform. A fiber inserted into the opening from the opposite surface of the platform is secured in said...

20060204184 - Connection arrangement for optical communication systems: A casing for a communication apparatus having at least one electrical lead for carrying RF signals within the apparatus is provided. The casing includes at least one electrically non-conductive electromagnetic absorber body adapted to at least partly cover the at least one electrical lead....

20060204183 - Optical transceiver reducing emi noise: The present invention provides an optical transceiver that reduces the EMI noise leaked from a portion between the receptacle body and the optical subassembly. The transceiver of the invention comprises the optical subassembly, the substrate, and the upper and lower housings. The subassembly built with the receptacle body is assembled...

20060204185 - Diffractive optical element and bidirectional optical communication module using the same: A diffractive optical element 1 has a diffraction grating which multiplexes the light beam of the different wavelength, and the diffraction grating is structured by a binary structure in which the diffraction surface top part 2 and the diffraction surface bottom part 4 repeat the concave and convex shape through...

20060204186 - Optical fiber processing method: The invention relates to a process of preparing an optical fiber joint, wherein an optical fiber or its undrawn precursor is brought into contact with a longitudinal element and attached to it via a ridge-groove fitting prior to drawing of the final optical fiber joint. The longitudinal element can be...

20060204187 - Subsurface fibre optic cable network installation: A method of installing fibre optic cables consists of cutting a shallow and narrow trench or channel within a road surface or building wall. A narrow fibre optic cable is laid within the channel, and subsequently covered with a patch material. A branching cable network is provided by cutting at...

20060204188 - Apparatus for providing optical radiation: Apparatus for providing optical radiation (10) comprising a pump array (8) for providing pump radiation (7), a first pump combiner (1), and a waveguide (3), wherein the pump radiation (7) from the pump array (8) is coupled into the waveguide (3) via the first pump combiner (1), and wherein the...

20060204193 - Drawing method for bare optical fiber, manufacturing method for optical fiber, and optical fiber: A drawing method for a bare optical fiber, comprises the steps of: melting an optical fiber preform using a heating device and drawing the bare optical fiber; and naturally cooling down the bare optical fiber or forcibly cooling down the bare optical fiber by a cooling device after the heating...

20060204190 - Large mode-area microstructure optical fiber: A large mode-area microstructured optical fiber includes a core, at least one axially oriented element disposed in the core, and a cladding about the core. The axially oriented element has a refractive index less than a refractive index of the core. The axially oriented element(s) defines sectional regions in the...

20060204194 - Method and apparatus for creating circumferential flat surfaces on round cross section polymer optical fiber: For creating flat surfaces along the circumference of a polymer optical fiber of a round cross section by machining, the polymer optical fiber is wound onto a mandrel in a plurality of windings, the mandrel having a generally non-circular cross section with at least one projecting sector in which the...

20060204192 - Optical waveguide using polymer composed of silsesquioxane derivative: r

20060204189 - Process for producing optical fiber preform, process for producing optical fiber and optical fiber: Methods of manufacturing an optical fiber preform and an optical fiber, and an optical fiber formed by this method of manufacturing an optical fiber are provided, the optical fiber preform having a desired refractive index profile and being capable of suppressing an increase in loss due to the absorption by...

20060204191 - Transmission fibre with optical amplification and method for producing same: A transmission fibre with optical amplification, comprising a core and a cladding. The core material is doped with a first dopant of a material having a higher index of refraction than the material of the cladding and with a second dopant of a material that converts pump energy in the...

20060204195 - Optical fiber, optical fiber connecting method, and optical connector: An optical fiber which, at an optical fiber connecting end having a plurality of voids around the periphery of a core, has a light-permeable substance, such as a resin or glass whose refractive index is lower than that of quartz type substances, filled in the voids adjacent to the connecting...

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...

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...

20060204198 - Cable splice closure: A cable splice closure (10) comprising a casing (12) which is capable of being closed around a cable splice, and at least one cable retention means (24) for retaining the end of at least one cable (22) fed into the interior (20) of the closure through or adjacent to a...

20060204199 - Fixer for fiber bragg grating sensor: There is provided a fixer for a fiber bragg grating (FBG) sensor, by which the FBG can be installed by any person to provide the FBG sensor with an accurate value, irrespective of a place to be installed, and the FBG sensor can be semi-permanently fixed and protected. The fixer...

20060204200 - Dust shutter for an optical adapter: A dust shutter for an optical adapter, includes a collar, wherein the collar is capable of being provided around an end of the optical adapter; a cover; a hinge that connects the cover to the collar; the hinge configured such that the cover can be provided in an open position...

20060204201 - Planar optical waveguide circuit type variable attenuator: Provided is a planar optical waveguide circuit type variable attenuator capable of light attenuation by an arbitrary value in a range from 0 to 10 dB and also by not less than 30 dB, which is small-sized and is of power saving type. The attenuator is composed of a Mach-Zehnder...

20060204202 - Fiber optic material and the use thereof: The invention relates to a fiber optic material which comprises a polymer and at least one organic compound introduced therein. Said organic compound is a condensed aromatic ring system having two or more aromatic rings that are isocyclic or heterocyclic, wherein every heteroatom is associated with exactly one ring if...

20060204203 - Radiation emitting apparatus with spatially controllable output energy distributions: A laser handpiece is disclosed, including a fiber optic end having a non-cylindrical shape and further including a reflector surrounding a portion of the fiber optic end. The reflector is shaped to direct laser energy emitted from the fiber optic end in a direction away from the laser handpiece and...

20060204204 - Method for improving the optical polarization properties of a microlithographic projection exposure apparatus: An apparatus and method for improving the optical polarisation properties of a microlithographic projection exposure apparatus is disclosed. The method including a first step of providing a mounted optical system of the projection exposure apparatus, which contains a plurality of optical elements; a second step identifying those optical elements that...

20060204205 - Optical element and optical element holder: An optical element including a first groove extending from first end of the outer peripheral face in an optical axis direction towards second end, and a second groove connected to the first groove and extending from second end of the outer peripheral face in the optical axis direction towards first...

20060204206 - Safety edge with status and failure recognition: A device and method for operating an optoelectronic safety sensitive edge (100) for the safeguarded motor-driven movement of a gate having a closing edge (141). The device has a deformable, hollow, elastic profile (110), a light transmitter device with a light transmitter (121a), and a transmitter control system (121b), by...

  
09/07/2006 > 37 patent applications in 27 patent subcategories. class, title,number

20060198565 - Optical phase shift device and antenna system utilizing same: A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields....

20060198566 - Wavelength insensitive integrated optic polarization splitter: An integrated optic polarization splitter, includes a pair of waveguide elements with a first waveguide element having a horizontal orientation and a second waveguide element having a vertical orientation formed from a plurality of waveguide core layers. The first and second waveguide elements are intersected or nearly intersected at one...

20060198567 - Optical sensor and modulator: An optical device is presented for use in modulation of light and/or in sensing an external field, by at least partially, directly or indirectly exposing the device to the controllable or unknown external field. The device comprises a waveguide structure configured to define at least a first light channel having...

20060198570 - Hybrid module and production method for same, and hybrid circuit device: Components can be mounted with an improved accuracy and efficiency, thereby realizing a thin hybrid module in which the components are mounted with a high density. The present invention provides a hybrid module including a silicon substrate having formed therein a plurality of component mounting concavities open to one of...

20060198569 - Light transmission and reception module, sub-mount, and method of manufacturing the sub-mount: A light transmission and reception module includes: a belt-shaped macromolecular optical waveguide film having an optical waveguide, an optical transmitter having a light emitting element and a first sub-mount for holding the light emitting element, for holding one end of the macromolecular optical waveguide film on the first sub-mount so...

20060198568 - Method for trasmission of signals in a circuit board and a circuit board: A method for transmitting signals in a circuit board. At least one optical channel is formed in the circuit board, to which an optical signal is input with an optical transmitter. The optical signal input to the optical channel is received with at least one optical receiver. The optical channel...

20060198572 - Method to realize fast silicon-on-insulator (soi) optical device: A fast silicon-on-insulator (SOI) waveguide-based optical device enhanced with minority charge carrier lifetime modifiers enables faster modulation speeds in optical attenuators, optical intensity/phase-modulators, and optical switches whose operation principles are based on free-carrier injection into a waveguide. The waveguide is doped with gold (Au) or platinum (Pt) such that when...

20060198573 - Optical device and optical module: A PD array is used in an optical module for monitoring signal light. In the optical module, when monitoring is conducted, signal light that passes through an optical fiber array is branched by a branching section disposed in the optical fiber array, wherein branched light from the branching section is...

20060198571 - Semiconductor-based optical transceiver: A semiconductor-based optical transceiver. The optical transceiver includes a post-amplifier that may communicate with an optoelectronic transducer, an electro-optic transducer driver that may communicate with an electro-optic transducer, and a control module that controls the operation of the post-amplifier and electro-optic transducer driver. The control module, the post-amplifier, and the...

20060198574 - Optical switch: The present invention relates to an optical switch. The optical switch includes at least two binary control elements movable between a first and second position. The binary control elements include an at least one angle tuning element for adjusting the pathway of an optical signal. With a binary control element...

20060198575 - Wavelength-selective switch and integrated wavelength demultiplexer using stacked planar lightwave circuits: Wavelength-selective switches (WSSs) having embedded multiplexer or demultiplexer functionality include a stack of planar waveguide circuits (PLCs) in which all but one of the PLCs have identical features consisting of a single waveguide connected to a free space region, further connected to a waveguide array that terminates at the PLC...

20060198576 - Optical multiplexer/demultiplexer and production method for optical multiplexer/demultiplexer: The present invention provides an optical multiplexer/demultiplexer which can demultiplex a multiplexed optical signal having a number of wavelength bands into respective wavelength regions, or multiplex light having respective wavelength regions in the field of optical communications. That is, light gained by multiplexing light having wavelengths λ1, λ2, λ3 and...

20060198577 - Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable mirror: A colorless, waveguide-grating-router-based tunable dispersion compensator includes a planar lightwave circuit and a deformable mirror, optically coupled to each other by a plano-cylindrical glass lens such that a fast tuning speed and single-knob dispersion adjustment are obtained. In a further aspect of the present invention, the waveguide-grating router is pinched,...

20060198579 - Optical device with reduced temperature dependence: Optical apparatus with improved center wavelength temperature stability. In an embodiment, an AWG has a plurality of slots inserted along the optical paths. The slots contain one or more compensation materials which collectively correct for an order Q temperature dependency of the AWG base material. Q>=2 or the number of...

20060198578 - Optical structure writing system: The present invention relates to a system for writing an optical structure in a waveguide. The system including, means for splitting a light beam into two coherent writing beams, an optical circuit for directing the writing beams along substantially the same optical path in opposite directions such that they produce...

20060198580 - All-fiber phase controlled delay interferometer and method of making the same: An all-fiber, phase controlled interferometer device is disclosed as well as its method of manufacture. This device is suitable for use in an optical DPSK demodulation system. It is comprised of two optical fiber couplers, each having two input and two output ports and two branches between the couplers of...

20060198581 - Electro-optical device: Accordingly, a preferred embodiment of the present invention comprises an electro-optical device having an optical waveguide that includes two optical pathways, wherein the optical waveguide is embedded within the substrate. A bias electrode layer is formed on the surface of the substrate. A buffer layer is formed on at least...

20060198582 - Photodetection device and light source module: There is disclosed a photodetection device comprising: a photodetector having detection sensitivity at a first wavelength; a first optical fiber propagating light in a plurality of modes at the first wavelength, the first optical fiber having an entrance end on which light at the first wavelength falls; and a second...

20060198583 - Wavelength selective switch: A wavelength selective switch of the invention, separates WDM light coming out from an input fiber of a fiber collimator array according to its wavelength, in a diffraction grating, and reflects each wavelength channel proceeding in different directions by MEMS mirrors corresponding to a mirror array. In the MEMS mirrors,...

20060198584 - Board-mounted optical connector: A board-mounted optical connector is provided which enables high-density wiring of optical fibers on a board. The board-mounted optical connector is a board-mounted optical connector having a housing comprising: a first housing component, and a second housing component. The first housing component has a housing space accessible through an opening...

20060198585 - Multi-tube fiber optic cable and system and method for making the same: A multi-tube fiber optic cable maintains a plurality of fiber tubes, each fiber tube containing at least one optical fiber therein. The plurality of fiber tubes are disposed apart from a central axis of the cable. A plurality of strength members are disposed apart from a central axis of said...

20060198586 - Tight buffer optical fiber ribbon: A tight buffer optical fiber ribbon is formed from a plurality of optical fibers, each of which has a glass core, a primary coating and a second tight buffer layer. The ribbon includes first and second stand off legs, each having an inner strength core and an outer tight buffer...

20060198587 - Luminous ornaments assemblies: The present invention is related to assemblies of luminous ornaments having optical fiber cables arranged in parallel, each formed by luminous optical fibers sheathed with a transparent tube, with interlaced connection elements formed therebetween, thereby forming a luminous net when being expanded....

20060198588 - Supercontinuum emitting device: A supercontinuum light emitting device comprises an effectively CW light source producing light of wavelength λ1 within a specified bandwidth and a nonlinear fiber optically coupled to the light source. The nonlinear fiber has a plurality of fiber segments with different zero dispersion wavelengths λoi, where each successive fiber segment...

20060198589 - Optical fiber and optical interconnection system: A mode field diameter of an optical fiber at a wavelength of 1300 nm is equal to or larger than 5.4 μm. A light of a wavelength of 1250 nm is propagated through the optical fiber in a single mode. A bending loss of the optical fiber with a bending...

20060198590 - Fiber optic article with inner region: A fiber optic article can comprise a core, an inner region disposed about the core and a cladding disposed about the inner region. The index of refraction of the cladding can be less than that of the inner region, and the index of refraction of the inner region can be...

20060198591 - Optical fiber, method for manufacturing same and optical transmission channel: The present invention provides an optical fiber of which a zero dispersion wavelength falls within a range of between 1,250 nm and 1,350 nm inclusive, transmission loss at 1,550 nm is equal to or less than 0.185 dB/km, chromatic dispersion at 1,550 nm is within the range of 19±1 ps/nm·km,...

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...

20060198593 - Fiber optic cable and optical ground wire coil storage and splice enclosure mounting bracket: A system and method for storing excess fiber optic cable or optical ground wire and for mounting a splice enclosure thereto. The system comprising a bracket having a first member that can be attached to a pole, tower or other support structure. The first member being vertically oriented. The first...

20060198594 - System and method of grounding fiber storage trays: An optical fiber cable management panel includes drawer assemblies, each including a drawer slidable within a chassis. The chassis incorporates a grounding point, and the drawer assemblies are electrically connected to the grounding point by a grounding strap. The grounding strap flexes to allow the slidable movement of the drawer...

20060198596 - Optical fiber array, optical fiber positioning method and optical fiber positioning plate: An optical fiber positioning method comprises the steps of: preparing an optical fiber, an optical fiber holder, and a positioning plate; fitting the optical fiber holder in the fitting hole and inserting the optical fiber into an optical fiber holding hole of the optical fiber holder and an optical fiber...

20060198595 - Transition assembly for high density optical fiber applications and a method of making the same: A transition assembly is provided that has a base with two sides and a plurality of optical fibers attached to each of the two sides. The optical fibers are attached to the base, with a protective covering over the optical fibers. The optical fibers are in a ribbonized format at...

20060198597 - Method to realize fast silicon-on-insulator (soi) optical device: A fast silicon-on-insulator (SOI) waveguide-based optical device enhanced with minority charge carrier lifetime modifiers enables faster modulation speeds in optical attenuators, optical intensity/phase-modulators, and optical switches whose operation principles are based on free-carrier injection into a waveguide. The waveguide is doped with gold (Au) or platinum (Pt) such that when...

20060198598 - Light-guide plate: A light-guide plate and its light-guide structures that are formed at the plate body of the light-guide plate in a concave configuration, a bottom side of the light-guide facet of the light-guide structures that face to the light source approximately presents an arc-like shape. The arc-like shape makes the light...

20060198601 - Mobile communication terminal, and core module and function module for mobile communication terminal: A mobile communication terminal 10 is assembled by a user incorporating an arbitrary desired function module 31, 32, 33 into a core module 20. When assembling the terminal, it is not possible for the core module 20 to know what type of function module is being incorporated in advance, but...

20060198599 - Potassium niobate deposited body and method for manufacturing the same, piezoelectric thin film resonator, frequency filter, oscillator, electronic circuit, and electronic apparatus: A method for manufacturing a potassium niobate deposited body includes: forming a buffer layer above a substrate composed of an R-plane sapphire substrate; forming above the buffer layer a potassium niobate layer or a potassium niobate solid solution layer that epitaxially grows in a (100) orientation in a pseudo cubic...

20060198600 - Semiconductor laser module and a method for manufacturing the same: The present invention is to provide an optical module that installs a laser diode and a Peltier device, and to provide a method for manufacturing the optical module. The invention may relax the restriction of the solder used in the assembly thereof and may prevent the thermoelectric device from degrading...

  
09/07/2006 > 37 patent applications in 27 patent subcategories. class, title,number

20060198565 - Optical phase shift device and antenna system utilizing same: A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields....

20060198566 - Wavelength insensitive integrated optic polarization splitter: An integrated optic polarization splitter, includes a pair of waveguide elements with a first waveguide element having a horizontal orientation and a second waveguide element having a vertical orientation formed from a plurality of waveguide core layers. The first and second waveguide elements are intersected or nearly intersected at one...

20060198567 - Optical sensor and modulator: An optical device is presented for use in modulation of light and/or in sensing an external field, by at least partially, directly or indirectly exposing the device to the controllable or unknown external field. The device comprises a waveguide structure configured to define at least a first light channel having...

20060198570 - Hybrid module and production method for same, and hybrid circuit device: Components can be mounted with an improved accuracy and efficiency, thereby realizing a thin hybrid module in which the components are mounted with a high density. The present invention provides a hybrid module including a silicon substrate having formed therein a plurality of component mounting concavities open to one of...

20060198569 - Light transmission and reception module, sub-mount, and method of manufacturing the sub-mount: A light transmission and reception module includes: a belt-shaped macromolecular optical waveguide film having an optical waveguide, an optical transmitter having a light emitting element and a first sub-mount for holding the light emitting element, for holding one end of the macromolecular optical waveguide film on the first sub-mount so...

20060198568 - Method for trasmission of signals in a circuit board and a circuit board: A method for transmitting signals in a circuit board. At least one optical channel is formed in the circuit board, to which an optical signal is input with an optical transmitter. The optical signal input to the optical channel is received with at least one optical receiver. The optical channel...

20060198572 - Method to realize fast silicon-on-insulator (soi) optical device: A fast silicon-on-insulator (SOI) waveguide-based optical device enhanced with minority charge carrier lifetime modifiers enables faster modulation speeds in optical attenuators, optical intensity/phase-modulators, and optical switches whose operation principles are based on free-carrier injection into a waveguide. The waveguide is doped with gold (Au) or platinum (Pt) such that when...

20060198573 - Optical device and optical module: A PD array is used in an optical module for monitoring signal light. In the optical module, when monitoring is conducted, signal light that passes through an optical fiber array is branched by a branching section disposed in the optical fiber array, wherein branched light from the branching section is...

20060198571 - Semiconductor-based optical transceiver: A semiconductor-based optical transceiver. The optical transceiver includes a post-amplifier that may communicate with an optoelectronic transducer, an electro-optic transducer driver that may communicate with an electro-optic transducer, and a control module that controls the operation of the post-amplifier and electro-optic transducer driver. The control module, the post-amplifier, and the...

20060198574 - Optical switch: The present invention relates to an optical switch. The optical switch includes at least two binary control elements movable between a first and second position. The binary control elements include an at least one angle tuning element for adjusting the pathway of an optical signal. With a binary control element...

20060198575 - Wavelength-selective switch and integrated wavelength demultiplexer using stacked planar lightwave circuits: Wavelength-selective switches (WSSs) having embedded multiplexer or demultiplexer functionality include a stack of planar waveguide circuits (PLCs) in which all but one of the PLCs have identical features consisting of a single waveguide connected to a free space region, further connected to a waveguide array that terminates at the PLC...

20060198576 - Optical multiplexer/demultiplexer and production method for optical multiplexer/demultiplexer: The present invention provides an optical multiplexer/demultiplexer which can demultiplex a multiplexed optical signal having a number of wavelength bands into respective wavelength regions, or multiplex light having respective wavelength regions in the field of optical communications. That is, light gained by multiplexing light having wavelengths λ1, λ2, λ3 and...

20060198577 - Colorless tunable dispersion compensator employing a planar lightwave circuit and a deformable mirror: A colorless, waveguide-grating-router-based tunable dispersion compensator includes a planar lightwave circuit and a deformable mirror, optically coupled to each other by a plano-cylindrical glass lens such that a fast tuning speed and single-knob dispersion adjustment are obtained. In a further aspect of the present invention, the waveguide-grating router is pinched,...

20060198579 - Optical device with reduced temperature dependence: Optical apparatus with improved center wavelength temperature stability. In an embodiment, an AWG has a plurality of slots inserted along the optical paths. The slots contain one or more compensation materials which collectively correct for an order Q temperature dependency of the AWG base material. Q>=2 or the number of...

20060198578 - Optical structure writing system: The present invention relates to a system for writing an optical structure in a waveguide. The system including, means for splitting a light beam into two coherent writing beams, an optical circuit for directing the writing beams along substantially the same optical path in opposite directions such that they produce...

20060198580 - All-fiber phase controlled delay interferometer and method of making the same: An all-fiber, phase controlled interferometer device is disclosed as well as its method of manufacture. This device is suitable for use in an optical DPSK demodulation system. It is comprised of two optical fiber couplers, each having two input and two output ports and two branches between the couplers of...

20060198581 - Electro-optical device: Accordingly, a preferred embodiment of the present invention comprises an electro-optical device having an optical waveguide that includes two optical pathways, wherein the optical waveguide is embedded within the substrate. A bias electrode layer is formed on the surface of the substrate. A buffer layer is formed on at least...

20060198582 - Photodetection device and light source module: There is disclosed a photodetection device comprising: a photodetector having detection sensitivity at a first wavelength; a first optical fiber propagating light in a plurality of modes at the first wavelength, the first optical fiber having an entrance end on which light at the first wavelength falls; and a second...

20060198583 - Wavelength selective switch: A wavelength selective switch of the invention, separates WDM light coming out from an input fiber of a fiber collimator array according to its wavelength, in a diffraction grating, and reflects each wavelength channel proceeding in different directions by MEMS mirrors corresponding to a mirror array. In the MEMS mirrors,...

20060198584 - Board-mounted optical connector: A board-mounted optical connector is provided which enables high-density wiring of optical fibers on a board. The board-mounted optical connector is a board-mounted optical connector having a housing comprising: a first housing component, and a second housing component. The first housing component has a housing space accessible through an opening...

20060198585 - Multi-tube fiber optic cable and system and method for making the same: A multi-tube fiber optic cable maintains a plurality of fiber tubes, each fiber tube containing at least one optical fiber therein. The plurality of fiber tubes are disposed apart from a central axis of the cable. A plurality of strength members are disposed apart from a central axis of said...

20060198586 - Tight buffer optical fiber ribbon: A tight buffer optical fiber ribbon is formed from a plurality of optical fibers, each of which has a glass core, a primary coating and a second tight buffer layer. The ribbon includes first and second stand off legs, each having an inner strength core and an outer tight buffer...

20060198587 - Luminous ornaments assemblies: The present invention is related to assemblies of luminous ornaments having optical fiber cables arranged in parallel, each formed by luminous optical fibers sheathed with a transparent tube, with interlaced connection elements formed therebetween, thereby forming a luminous net when being expanded....

20060198588 - Supercontinuum emitting device: A supercontinuum light emitting device comprises an effectively CW light source producing light of wavelength λ1 within a specified bandwidth and a nonlinear fiber optically coupled to the light source. The nonlinear fiber has a plurality of fiber segments with different zero dispersion wavelengths λoi, where each successive fiber segment...

20060198589 - Optical fiber and optical interconnection system: A mode field diameter of an optical fiber at a wavelength of 1300 nm is equal to or larger than 5.4 μm. A light of a wavelength of 1250 nm is propagated through the optical fiber in a single mode. A bending loss of the optical fiber with a bending...

20060198590 - Fiber optic article with inner region: A fiber optic article can comprise a core, an inner region disposed about the core and a cladding disposed about the inner region. The index of refraction of the cladding can be less than that of the inner region, and the index of refraction of the inner region can be...

20060198591 - Optical fiber, method for manufacturing same and optical transmission channel: The present invention provides an optical fiber of which a zero dispersion wavelength falls within a range of between 1,250 nm and 1,350 nm inclusive, transmission loss at 1,550 nm is equal to or less than 0.185 dB/km, chromatic dispersion at 1,550 nm is within the range of 19±1 ps/nm·km,...

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...

20060198593 - Fiber optic cable and optical ground wire coil storage and splice enclosure mounting bracket: A system and method for storing excess fiber optic cable or optical ground wire and for mounting a splice enclosure thereto. The system comprising a bracket having a first member that can be attached to a pole, tower or other support structure. The first member being vertically oriented. The first...

20060198594 - System and method of grounding fiber storage trays: An optical fiber cable management panel includes drawer assemblies, each including a drawer slidable within a chassis. The chassis incorporates a grounding point, and the drawer assemblies are electrically connected to the grounding point by a grounding strap. The grounding strap flexes to allow the slidable movement of the drawer...

20060198596 - Optical fiber array, optical fiber positioning method and optical fiber positioning plate: An optical fiber positioning method comprises the steps of: preparing an optical fiber, an optical fiber holder, and a positioning plate; fitting the optical fiber holder in the fitting hole and inserting the optical fiber into an optical fiber holding hole of the optical fiber holder and an optical fiber...

20060198595 - Transition assembly for high density optical fiber applications and a method of making the same: A transition assembly is provided that has a base with two sides and a plurality of optical fibers attached to each of the two sides. The optical fibers are attached to the base, with a protective covering over the optical fibers. The optical fibers are in a ribbonized format at...

20060198597 - Method to realize fast silicon-on-insulator (soi) optical device: A fast silicon-on-insulator (SOI) waveguide-based optical device enhanced with minority charge carrier lifetime modifiers enables faster modulation speeds in optical attenuators, optical intensity/phase-modulators, and optical switches whose operation principles are based on free-carrier injection into a waveguide. The waveguide is doped with gold (Au) or platinum (Pt) such that when...

20060198598 - Light-guide plate: A light-guide plate and its light-guide structures that are formed at the plate body of the light-guide plate in a concave configuration, a bottom side of the light-guide facet of the light-guide structures that face to the light source approximately presents an arc-like shape. The arc-like shape makes the light...

20060198601 - Mobile communication terminal, and core module and function module for mobile communication terminal: A mobile communication terminal 10 is assembled by a user incorporating an arbitrary desired function module 31, 32, 33 into a core module 20. When assembling the terminal, it is not possible for the core module 20 to know what type of function module is being incorporated in advance, but...

20060198599 - Potassium niobate deposited body and method for manufacturing the same, piezoelectric thin film resonator, frequency filter, oscillator, electronic circuit, and electronic apparatus: A method for manufacturing a potassium niobate deposited body includes: forming a buffer layer above a substrate composed of an R-plane sapphire substrate; forming above the buffer layer a potassium niobate layer or a potassium niobate solid solution layer that epitaxially grows in a (100) orientation in a pseudo cubic...

20060198600 - Semiconductor laser module and a method for manufacturing the same: The present invention is to provide an optical module that installs a laser diode and a Peltier device, and to provide a method for manufacturing the optical module. The invention may relax the restriction of the solder used in the assembly thereof and may prevent the thermoelectric device from degrading...

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