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Optical waveguides July category listing 07/11

20110182543 - Electrically driven optical frequency shifter: Disclosed herein is an optical frequency shifter (1) provided with: an electro-optical substrate (3) having a main surface (3a); an optical waveguide structure (2) formed in the substrate (3) and having two waveguide portions (7), which are spaced apart by a distance (S) such as to ensure mutual optical coupling... Agent: Selex Sistemi Integrati S.p.a.

20110182544 - Optical fiber sensor: An optical fiber sensor may include an optical fiber configured to receive a light having a first frequency from a light source and to transmit the light through the optical fiber, the transmitted light having the first frequency and a second frequency which is generated by stimulated Brillouin scattering (SBS),... Agent: University Of Seoul Industry Cooperation Foundation

20110182545 - Wavelength domain optical switch: To provide a waveguide type wavelength domain optical switch which makes it possible to use a cheap lens, makes it possible to correct aberration of the demultiplexed wavelengths produced in a plurality of waveguide type demultiplexing circuits, a wavelength domain optical switch is provided with: an integrated element formed by... Agent: Keio University

20110182546 - Photoelectric conversion device: A photoelectric conversion device includes an optical fiber, a molded portion covering an end portion and an end face of the optical fiber, the molded portion including a transparent resin transparent to light inputted and outputted through the optical fiber and a light input/output surface perpendicular to an optical axis... Agent: Hitachi Cable, Ltd.

20110182547 - Two dimensional fiber collimator array with high return loss: A lens system includes a body member holding at least one micro lens array. The micro lens array has a first surface with a plurality of micro lenses arranged in a row and a second surface opposing the first surface. The second surface is under an angle towards the first... Agent:

20110182548 - Device for coupling an optical fiber and a nanophotonic component: The invention relates to a device for coupling an optical fiber and a nanophotonic component formed on a first substrate, wherein the device comprises: an intermediate component formed on a second substrate including a first wave guide adapted for receiving light from the optical fiber and for transmitting the same... Agent: Commissariat A L'energie Atomique Et Aux Energies

20110182549 - Spot-size converter: A spot-size converter is equipped with a substrate, a clad that is formed on the substrate, a core that is embedded inside the clad, and an input/output end face. The core is tapered toward the input/output end face along a light propagation direction. In the clad, groove portions that expose... Agent: Oki Electric Industry Co., Ltd.

20110182550 - Silicon optical bench oct probe for medical imaging: An optical probe for emitting and/or receiving light within a body comprises an optical fiber that transmits and/or receives an optical signal, a silicon optical bench including a fiber groove running longitudinally that holds an optical fiber termination of the optical fiber and a reflecting surface that optically couples an... Agent: Axsun Technologies, Inc.

20110182551 - Communications connectors and methods of using the same: Communications connectors communicatively and physically join a plurality of network elements. Communications connectors are substantially flangeless so as to provide a substantially continuous surface between the connector and network elements joined thereto. Communications connectors may include or be modified with a grounding surface or a seating member. Communications connectors include... Agent:

20110182552 - Method for terminating light-guide fiber bundles: The invention relates to a method for terminating optical fiber bundles, wherein the fiber bundle is inserted into a sleeve which is filled with adhesive.... Agent: Schott Ag

20110182553 - Method of making a fiber optical cable assembly: A process for forming a fiber optical cable assembly comprises the steps of (a) subjecting a first high yenacity reinforcement yarn such as para-aramid that is coated with a water-impermeable thermally reversible cross-linked polymeric coating to a temperature of from 45 to 200° C. for sufficient time to convert the... Agent: E. I. Du Pont De Nemours And Company

20110182554 - Photoelectric connection system with waveguides: A photoelectric connection assembly includes a circuit board defining conductive pads on a first surface thereof and waveguides embedded therein, an electrical connector assembled to the circuit board and a light transmission module. The electrical connector includes a seat defining a first receiving cavity for receiving the conversion module and... Agent: Hon Hai Precision Industry Co., Ltd.

20110182555 - Liquid resin composition for production of optical waveguide, optical waveguide produced by using the liquid resin composition, and production method of the optical waveguide: p

20110182556 - Plastic-cladding optical fiber: A plastic-cladding optical fiber is provided. The plastic-cladding optical fiber is provided includes: a core layer made of quartz glass; and a cladding layer formed by hardening a curable resin composition over a periphery of the core layer. Adhesion between the core layer and the cladding layer ranges 1.5 g/mm... Agent: Sumitomo Electric Industries, Ltd.

20110182557 - Multi-core fiber: The present invention relates to a multi-core fiber having a structure for effectively suppressing crosstalk increase between cores caused by bending within an allowable range. The multi-core fiber comprises a plurality of types of cores respectively extending along an optical axis and a cladding region, and the effective refractive index... Agent:

20110182558 - Insect-infestation prevention device for telecommunications equipment: An insect-infestation prevention device and a fiber optic telecommunications equipment including an insect-infestation prevention device is disclosed. The fiber optic telecommunications equipment includes a housing with a main housing portion defining a first transverse wall, a front wall, a rear wall, a top wall, and a bottom wall, cooperatively defining... Agent:

20110182559 - Assembly of optical fiber and optical fiber holder with end portion of optical fiber housed in recess: The present invention is directed to an assembly of an optical fiber and an optical fiber holder for holding the optical fiber, the optical fiber having an end surface formed at an end portion thereof, the end surface being configured to perform light coupling with a light emitting element or... Agent: Sae Magnetics (h.k.) Ltd.

20110176762 - Optical modulator and optical modulator fabrication method: An optical modulator is formed with at least a portion of a semiconductor layer (8) that has undergone a doping process to exhibit a first conductivity and at least a portion of a semiconductor layer (9) that has undergone a doping process to exhibit a second conductivity overlapping with a... Agent:

20110176763 - Systems and methods for sensing properties of a workpiece and embedding a photonic sensor in metal: Systems and methods for sensing properties of a workpiece and embedding a photonic sensor in metal are disclosed herein. In some embodiments, systems for sensing properties of a workpiece include an optical input, a photonic device, an optical detector, and a digital processing device. The optical input provides an optical... Agent: The Trustees Of Columbia University In The City Of New York

20110176764 - Integrated planar polymer waveguide for low-loss, low-crosstalk optical signal routing: The present invention provides a planar waveguide. In one embodiment, the planar waveguide includes first and third layers formed above a substrate and adjacent each other. The first and third layers are formed of a first material having a first index of refraction. The planar waveguide also includes a second... Agent: Dow Corning Corporation

20110176765 - Optical interconnection apparatus and method: The present invention relates to the apparatus and method for optical interconnection. The present invention provides an optical interconnection structure comprising: a substrate on which double side perforated multi-hole through a predetermined region is formed; bottom hole which is etched and tapered for optical fiber array is bigger than upper... Agent:

20110176767 - Optical fiber connection structure: An optical fiber connection structure reducing MPI is provided. An intervening optical fiber 30 having a normalized frequency less than 2.405 and a length greater than or equal to 2 mm and less than or equal to 30 mm is interposed between a single-mode fiber 10a and a second single-mode... Agent: Mitsubishi Cable Industries, Ltd.

20110176766 - Optical fiber connection structure and single-mode fiber: An optical fiber connection structure which reduces MPI in the use of an optical fiber with a bend resistance improved by forming holes in the fiber, and a single-mode fiber which reduces MPI are provided. A second cladding portion of a second single-mode fiber 20 includes holes 28, and thus,... Agent: Mitsubishi Cable Industries, Ltd.

20110176768 - Optical spectral filter, angular filter and polariser: A filter and fabrication process for a thin film filter that is based on frustrated total internal reflection and multiple waveguide layers, in which the waveguide modes are resonantly coupled. The physics of the design is related to prism coupling of light into planar waveguides, and waveguide coupling between planar... Agent: Innovision Inc.

20110176769 - Spherical optical splitter/combiner: This disclosure describes a device that belongs to the field of optical devices. More specifically it is a novel way of achieving light splitting or combining using a spherical reflector with a single input and multiple outputs, or multiple inputs and a single output.... Agent: Ocean Optics, Inc.

20110176770 - Method and apparatus related to a side-fire member having a doped silica component: In one embodiment, an apparatus may include an optical fiber that may have a surface non-normal to a longitudinal axis of a distal end portion of the optical fiber. The surface may define a portion of an interface configured to redirect electromagnetic radiation propagated from within the optical fiber and... Agent:

20110176771 - Photonic devices having degenerate spectral band edges and methods for using the same: Provided herein are photonic devices configured to display photonic band gap structure with a degenerate band edge. Electromagnetic radiation incident upon these photonic devices can be converted into a frozen mode characterized by a significantly increased amplitude, as compared to that of the incident wave. The device can also be... Agent:

20110176772 - Methods and apparatus related to a distal end of a side-fire optical fiber having multiple capillary components: In one embodiment, an apparatus may include a first capillary component. A second capillary component may be disposed outside of the first capillary component and may have an inner surface, wherein a portion of the inner surface may be heat-fused to an outer surface of the first capillary component. The... Agent:

20110176773 - Plug/socket arrangement: The present invention relates to a plug/socket arrangement, in particular an electrical and/or optical plug/socket arrangement of an aircraft or spacecraft, which comprises a housing and at least one insert which can be received in the housing. It further comprises a releasable connection means which is adjustable between a locked... Agent:

20110176774 - Optical fiber handler for a fiber optic connection termination system: An optical fiber handler for optical connector termination systems and other devices are disclosed herein. The optical fiber handler attaches to the optical fiber or cable and cooperates with other components for preparing the optical fiber and/or making the optical connection, thereby providing a simple, reliable, and easy termination for... Agent:

20110176775 - Optical fiber connector: An optical fiber connector includes a first protecting body and a second protecting body detachably assembled to the first protecting body. The first protecting body includes a first base plate and a first housing extending out from the first base plate. The first base plate defines a first receiving hole... Agent: Hon Hai Precision Industry Co., Ltd.

20110176776 - Multi-core optical fiber, optical connector and method of manufacturing multi-core optical fiber: A multi-core optical fiber which has a plurality of core portions arranged separately from one another in a cross-section perpendicular to a longitudinal direction, and a cladding portion located around the core portions, the multi-core optical fiber comprises a cylindrical portion of which diameter is even, and a reverse-tapered portion... Agent: Furukawa Electric Co., Ltd.

20110176777 - Apparatus for optical fiber connection: An apparatus for optical fiber connection is provided, including a shell base and at least an optical fiber coupling tube. The inner shape and the outer shape of the shell base are made according to the different types of optical fiber connection apparatus specifications. The optical fiber coupling tube is... Agent:

20110176778 - Optoelectronic cable assembly having moveable optical module: An optoelectronic cable assembly (100) includes an insulative housing (2), a set of contacts (3) retained in the housing, an optical module (5) movably retained to the housing and at least one fiber optic coupled (6) to the optical module. The housing defines a base portion (21) and an extending... Agent: Hon Hai Precision Industry Co., Ltd.

20110176779 - Optical fiber array connectivity system for multiple row trunk cables and terminals: A fiber optic trunk cable that can be used for connecting multi-channel transceivers includes: a plurality of optical fibers; and first and second terminals attached to opposite ends of the fibers, each of the terminals having an alignment key. The fibers enter the first terminal in an arrangement of 2N... Agent:

20110176780 - Fiber optic connector of a fiber optic connection termination system: A fiber optic connector for making a mechanical splice with an optical fiber secured in an optical fiber handler is disclosed. The fiber optic connector provides the craft with a simple, fast and reliable way for terminating the optical fiber.... Agent:

20110176781 - Optical connector and manufacturing method thereof: An optical connector comprising a housing (11) including a bottom wall, a plurality of side walls each of which stands from the bottom wall, and an opening defined by the side walls; a metal lead (21) mounted on the bottom wall; a photoelectric conversion element (23) mounted on the metal... Agent:

20110176782 - Water-soluble water-blocking element: The present invention provides optical-fiber communication cables with an improved water-blocking element that reduces or eliminates microbending caused by water-swellable particulate powders. In one embodiment, such water-swellable powders may be employed in conjunction with a smooth water-soluble carrier tape. In another embodiment, such water-swellable powders may embedded within a water-soluble... Agent: Draka Comteq, B.v.

20110176783 - Optical fiber and method for fabricating the same: An optical fiber (10) includes: a core (11); a first cladding (12) surrounding the core (11) and having a lower refractive index than the core (11); and a second cladding (13) surrounding the first cladding (12) and having a lower refractive index than the first cladding (12). The first cladding... Agent: Mitsubishi Cable Industries, Ltd.

20110176784 - System for an internal rotating storage spool combined with top and bottom cable access in a fiber distribution terminal: A fiber distribution terminal for use in an environmentally sealed enclosure can include a rotatable spool for housing input fiber cable. The spool is configured to be mounted in the environmentally sealed enclosure. The fiber distribution terminal can also include an adapter pack that secures the connections between fibers of... Agent:

20110176785 - Fiber optic connector holder: A fiber optic connector holder including a housing with at least one cavity for receiving a fiber optic connector with a dust cap in place about a terminal end of the connector. The housing may be integrally molded with retaining structures for releasably engaging the fiber optic connector and releasable... Agent: Adc Telecommunications, Inc.

20110170819 - Electro-optic modulator with inverse tapered waveguides: An integrated circuit that includes an optical waveguide to convey an optical signal via an optical mode in an on-chip optical waveguide is described. In this integrated circuit, a cross-sectional area of the optical waveguide may be tapered in proximity to an electro-optic modulator in the integrated circuit, such as... Agent: Sun Microsystems, Inc.

20110170820 - Eo polymer-based dual slot waveguide modulators: Electro-optic modulators are disclosed. An electro-optic modulator comprises an electro-optic polymer layer, semiconductor layers, ferroelectric material layers, and electrodes. The semiconductor layers are positioned on each surface of the electro-optic polymer layer. The refractive index of the semiconductor layers in the optical and RF domains is higher than the refractive... Agent: University Of Delaware

20110170821 - Pin diode tuned multiple ring waveguide resonant optical cavity switch and method: An optical switch structure and a method for fabricating the optical switch structure provide at least two ring waveguides located and formed supported over a substrate. At least one of the at least two ring waveguides includes at least one PIN diode integral with the ring waveguide as a tuning... Agent: Cornell University

20110170822 - Integrated optical polarizer for silicon-on-insulator waveguides: A silicon-on-insulator device has a waveguide having a carrier wafer layer, a buffer layer, a guiding layer, and a cladding layer. The silicon-on-insulator is additionally provided with a polarizing arrangement deposited on a predetermined portion of the waveguide, the polarizing arrangement being provided with a bottom metal layer, a dielectric... Agent:

20110170823 - Fiber optic sensor for detecting multiple parameters in a harsh environment: A fiber optic sensor is provided. The fiber optic sensor includes a fiber core having a plurality of grating elements wherein, the grating elements comprise a periodic or a quasiperiodic modulated microcrystalline and silicon dioxide tetrahedral structure and a cladding disposed about the fiber core.... Agent: General Electric Company

20110170824 - Optical switch: An optical switch having a housing and optical fibers connectable to a light source and a light detector. The light source and light detector are located remote from the housing. The first and second light guide cables have distal ends positioned in a separator assembly and are optically aligned but... Agent:

20110170825 - Waveguide coupler having continuous three-dimensional tapering: A solid state waveguide coupler is provided including a first coupler end disposed on a solid state material substrate for connection to a first solid state waveguide located on the substrate and a second coupler end disposed on the substrate for connection to a second waveguide located on the substrate.... Agent: Massachusetts Institute Of Technology

20110170826 - Versatile system for configurable hybrid fiber-optic/electrical connectors: A system for providing a configurable hybrid electrical/optical connector assembly is disclosed. The system provides a connector housing, having a channel through which some connection between transmission elements is made. An insert cap is produced, securable to the housing within the channel. The insert cap has a plurality of universal... Agent:

20110170827 - Connectors and assemblies having a plurality of moveable mating arrays: A connector configured to communicatively couple different components. The connector includes a base frame that extends along a longitudinal axis between a pair of frame ends and first and second moveable mating arrays having mating surfaces with terminals arranged thereon. The connector also includes a coupling mechanism that is supported... Agent: Tyco Electronics Corporation

20110170828 - Connectors and assemblies having a plurality of moveable mating arrays: A connector configured to communicatively couple different components. The connector includes a base frame that extends along a longitudinal axis between a pair of frame ends and moveable first and second mating arrays comprising respective mating surfaces having terminals arranged thereon. The connector also includes a coupling mechanism supported by... Agent: Tyco Electronics Corporation

20110170829 - Connector cover for outside plant applications: Certain embodiments of the invention may include apparatuses, systems, and methods for providing a connector cover for outside plant application. According to an example embodiment of the invention, a connector cover assembly is provided. The assembly can include an elongated hollow cylindrical cover having a closed first end, and open... Agent: Ofs Fitel, LLC

20110170831 - Optical module and manufacturing method of the module: An optical module 1 comprises a base 2 and an opto-electric device 3 including a first surface 3A having an active layer 31 provided thereon and a second surface 3B lying opposite the first surface 3A and facing the base 2. Bumps 3a are provided on the second surface 3B... Agent: Sumitomo Electric Industries, Ltd.

20110170830 - Receptacle attached with optical isolator and method thereof: Provided are a receptacle attached with an optical isolator and a manufacturing method thereof, capable of easily performing position alignment among an end surface of a magnet, an end surface of a fiber stub, and a polarization plane of a polarizer and dimension calculating of the optical isolator without an... Agent: Namiki Seimitsu Houseki Kabusiki Kaisha

20110170832 - Optical transceiver module and method of manufacturing the optical transceiver module: An optical transceiver module that is capable of being inserted into and removed from a cage includes a housing that houses a photoelectric conversion element, the housing having a guiding section formed along a front-rear direction, an operating lever that has an operating section and a lever-side contact section, the... Agent: Ntt Electronics Corporation

20110170833 - Hermetic seal between a package and an optical fiber: The invention relates to a hermetic feedthrough of an optical fiber into a package for an optical module, that includes a package ferrule hermetically attached to the package or integral therewith, a fiber ferrule hermetically sealed around the optical fiber, and a compression sleeve hermetically sealed around the package ferrule.... Agent:

20110170834 - Cable for concentrating photovoltaic module: Disclosed is a cable for use in a concentrating photovoltaic module. The cable includes at least one strand wrapped with an optically pervious or reflective sheath. The pervious sheath is made of a material that exhibits a penetration rate of 90% and survives a temperature of at least 140 degrees... Agent: Atomic Energy Council-institute Of Nuclear Energy Research

20110170835 - Opto-electro hybrid harness and method of manufacturing the same: An opto-electro hybrid harness includes, at locations away from first and second connectors, a first relay segment having an EO conversion device, and a second relay segment having an OE conversion device. First and second electric cables lie between the first connector and the first relay segment and between the... Agent: Sumitomo Electric Industries, Ltd.

20110170836 - Telecommunication cable equipped with microstructured optical fibres: Telecommunication cable comprising at least one microstructured optical fibre comprising a core region and a cladding region surrounding the core region, the cladding region comprising an annular void-containing region comprised of randomly arranged voids, the core region including doped silica to provide a positive refractive index relative to pure silica;... Agent:

20110164843 - Enhanced silicon all-optical modulator: A single-photon absorption all-optical signal-processing device, systems employing the same, and methods of making and using the same. Illustrative examples are provided based on silicon semiconductor technology that employs rectangular waveguides fabricated on SOI wafers. In some embodiments, it is observed that the waveguides have surface state density, σ, of... Agent: University Of Washington

20110164844 - Optical modulator: It's an object of the invention to provide an optical modulator with high performance. The optical modulator 1 includes a substrate 4 having an electro-optical effect, an optical waveguide 5 formed on the substrate, and control electrodes 61 to 65 for controlling optical waves propagating in the optical waveguide, wherein... Agent: Sumitomo Osaka Cement Co., Ltd.

20110164845 - Optical routing device comprising hollow waveguides and mems reflective elements: An optical routing device is described that comprises a semiconductor substrate (52) having at least one optical input (4), a plurality of optical outputs (6,8) and an array of MEMS moveable reflective elements (58;102). The array of moveable reflective elements (58;102) are configurable such that light can be selectively routed... Agent: Qinetiq Limited

20110164846 - Fiber optic rotary joint using tec fiber: A fiber optic rotary joint is invented using TEC (Thermally Expanded Core) fiber. This device has a rotatable optic TEC fiber and a stationary optic TEC fiber in an assembly to convey a light beam in the optic TEC fibers. The assembly also includes a stationary optic TEC fiber holder... Agent:

20110164847 - Multimode interference coupler and method for the structural configuration thereof: A multimode interference coupler includes at least one supply waveguide and at least one output waveguide, wherein the coupler has along its longitudinal extent in the direction of the supply waveguide at least one longitudinal section in which the refractive index has a locally oscillating profile in a direction running... Agent:

20110164848 - Ball lens holder for a planar lightwave circuit device: In a planar lightwave circuit (PLC) package, a ball lens is used to broaden a collimated beam from a waveguide in a PLC device. A holder for the ball lens is attached to the PLC device in the package, which attachment effects a passive alignment of the waveguide with the... Agent: Alcatel-lucent Usa Inc.

20110164849 - Hybrid integrated optical elements: The present invention provides an assembly (1) of integrated optical components and methods of producing thereof wherein the assembly (1) of optically linked optical components comprises a motherboard (2) having one or more primary lateral reference features (28) and a sub-assembly (20) comprising an optical component (22) mounted on a... Agent:

20110164850 - Housing-integrated optical semiconductor component and manufacturing method thereof: In a manufacturing method of a housing-integrated optical semiconductor component, an optical device (26, 27) is packaged on a lead frame (24, 25) having a leg portion (28), and a periphery of the optical device (26, 27) is scaled by an optically transmissive material, whereby an optical semiconductor component (22)... Agent:

20110164851 - Optical connector and lens block connecting structure, and optical module: An optical connector and lens block connecting structure includes a substrate, an optical element, a lens frame including two side ribs, and a fore rib, a lens block for bending the optical path of the optical element to convert into an optical path parallel to the substrate, an optical connector... Agent: Hitachi Cable, Ltd.

20110164852 - Single-mode optical fiber: Disclosed is an optical transmission fiber having reduced bending and microbending losses that is commercially usable in FTTH or FTTC transmission systems.... Agent: Draka Comteq B.v.

20110164853 - Enclosure for telecommunications cables, with removable organizer: An enclosure for receiving at least one telecommunication cable comprises a housing (1) at least one portion (7) of which is configured for the passage of a cable (25) into/out of the enclosure. The housing portion (7) is repositionable to change the direction of passage of the cable relative to... Agent:

20110164854 - Fiber distribution enclosure with extractable organizer: An enclosure (100) for distributing optical fibers for communications includes a housing to house at least one optical fiber from a distribution cable and at least one drop fiber and an extractable fiber organizer (130) disposable in the housing. The extractable fiber organizer includes at least one splice tray (151a,... Agent: