Optical waveguides inventions 08/09

20090214150 - Integrated polarization splitter/combiner: Provided is an apparatus and method for use thereof. The apparatus, in one embodiment, includes a 1x2 coupler in communication with a waveguide. The 1x2 coupler, in this embodiment, is configured to separate an input finite bandwidth optical signal provided from the optical waveguide into two similar optical signals. Input... Agent: Hitt Gaines, Pc Alcatel-lucent

20090214151 - High speed optical switch: A high speed optical switch may include a plurality of pairs each having a length Lπ that may be connected in series. All switching may be accomplished in the high speed optical switch by discharging one arm in a pair (e.g. a single Lπ) at a time. Lπ may refer... Agent: Merchant & Gould Pc

20090214153 - In-line polarization-state converter: The invention discloses an in-line polarization-state converter. In the polarization converter, a laser beam is radiated onto the side of a photosensitive optical fiber. The laser beam causes the refractive index of an optical fiber core to asymmetrically vary. Birefringence is induced in a core mode of the optical fiber... Agent: Ampacc Law Group

20090214152 - Polarization-maintaining optical coupler and method of making the same: Embodiments of the present invention provide an optical coupler. The optical coupler includes a fused optical coupling region made of part of a first and a second single-mode (SM) fiber, with a portion of the second SM fiber being a pigtail fiber on a first side of the fused optical... Agent: Yong Huang

20090214154 - Fiber optic distributed sensor apparatus: A distributed fiber optic sensor device that employs a photonic band gap fiber as a sensing medium, in which: the photonic band gap fiber, which is the sensing medium, includes: a quartz section; and a plurality of high refractive index portions provided in the quartz section along the longitudinal direction... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090214155 - Integrated optical modulator: An integrated optical modulator comprising: an insulating substrate (14); an insulating ridge extending upwardly from the substrate (14), the ridge comprising an electrically conducting layer (16) within the ridge above the substrate (14); an optical waveguide (18, 19) positioned on the ridge and extending down through the ridge to the... Agent: Samuel J Haidle Howard Attrorney

20090214159 - Metal waveguide device and nano plasmonic integrated circuits and optical integrated circuit module using the same: Disclosed is a metal waveguide device, and nano plasmonic integrated circuits and an optical integrated circuit module using the same. The nano plasmonic integrated circuit module includes an input coupling unit, an input focusing unit, a surface plasmon polariton waveguide for guiding surface plasmon polaritons, a signal sensing/processing unit, an... Agent: Lexyoume Ip Group, Llc

20090214156 - Optical module and optical waveguide: An optical module includes an optical waveguide including a waveguide core through which light propagates and a clad configured to trap the light in the waveguide core, and a circuit board on which a surface-type optical element is mounted. The optical waveguide further includes a reflective surface from which an... Agent: Rader Fishman & Grauer Pllc

20090214157 - Optical module and optical waveguide: An optical module includes an optical waveguide including a plurality of waveguide cores through which light propagates, a clad configured to trap the light in the waveguide cores, a plurality of fiber guide grooves in which optical fibers are inserted, the fiber guide grooves being arranged in parallel, and an... Agent: Rader Fishman & Grauer Pllc

20090214158 - Optical printed circuit board and an optical module connected to the optical printed circuit board: An optical printed circuit board having an optical waveguide of at least one channel formed therein is provided. The optical waveguide of the at least one channel is stacked in the optical printed circuit board, and has both ends exposed on a surface of the optical printed circuit board and... Agent: The Webb Law Firm, P.c.

20090214160 - Optical crossbar switch: An optical crossbar switch for optically coupling optic fibers comprising: at least one first fiber (21) and a plurality of second fibers (22); a moveable fiber-end carriage (41) coupled to an end of the at least one first fiber and constrained to move along a predetermined trajectory; at least one... Agent: Empk & Shiloh, LLP C/o Landon Ip, Inc.

20090214161 - Multimode interference waveguide type optical switch: It is an object of the present invention to provide a multimode interference waveguide type optical switch that has a wide tolerance and that digitally performs switching with respect to a change in an applied voltage or injected current. The multimode interference waveguide type optical switch of the present invention... Agent: Edwards Angell Palmer & Dodge LLP

20090214162 - Apparatus and fiber optic cable retention system including same: An apparatus. According to various embodiments, the apparatus comprises a body member, a first arm member connected to the body member, and a second arm member connected to the body member. The body member defines a passageway which is configured to receive a rugged fiber optic cable at a first... Agent: Pepper Hamilton LLP

20090214163 - Loop back device and method of fabrication: Methods tune all fiber loops in a loop back device to an established insertion loss value to produce a consistent overall loss of the loop back device. One method involves establishing a desired loss for fiber loops, securing the fiber loops to a MT ferrule, measuring an actual loss associated... Agent: Merchant & Gould Pc

20090214164 - Optical fiber connector: An optical fiber connector includes a housing, a ferrule, a bias member and a flexible tube. The ferrule is formed with a first axial hole of a first inner diameter larger than an outer diameter of a jacket of an optical fiber and a second axial hole that is communicated... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090214165 - Optical fiber connector with lens: An optical connector having a compression ring that is fitted onto a front end portion of a ferrule so as to compressively deform the ferrule and thus reduce the diameter of a through hole formed in the ferrule to thereby press and fixedly hold an optical fiber within the through... Agent: Molex Incorporated

20090214166 - Positioning optical fibers: In positioning or aligning ends of optical fibers in relation to each other an offset distance between the fiber ends, the offset distance e.g. being the distance between predetermined reference positions in the fiber ends, is stepwise adjusted using a cascade technique. The method can be executed accurately and fast... Agent: Ericsson Inc.

20090214167 - Optical cable buffer tube with integrated hollow channels: Disclosed is a buffer tube that incorporates hollow channels into its wall. This reduction in material moderates the buffer tube's thermal expansion and contraction.... Agent: Summa, Additon & Ashe, P.a.

20090214168 - Generic tow lead-in for streamers: Generic tow lead-in for streamers providing communication between the seismic systems and the streamers, consisting of at least four wire power quad, at least four multimode optical fibres and at least one signal pair, where the at least one signal line do not utilise a screen.... Agent: Frommer Lawrence & Haug

20090214170 - Reflective planar lightwave circuit waveguide: A method of making a planar lightwave circuit (PLC) waveguide capable of being integrated with a surface-mounted component is presented. The method entails etching a silicon substrate to form a slanted wall, forming a nonreflective waveguide portion on the silicon substrate, and depositing a reflective layer on the slanted wall.... Agent: Haynes And Boone, LLP Ip Section

20090214169 - Structures formed in diamond: N-V centers in diamond are created in a controlled manner. In one embodiment, a single crystal diamond is formed using a CVD process, and then annealed to remove N-V centers. A thin layer of single crystal diamond is then formed with a controlled number of N-V centers. The N-V centers... Agent: Schwegman, Lundberg & Woessner, P.a.

20090214171 - Fiber optic adapter cassette and panel: An adapter cassette including a housing and a plurality of fiber optic adapters. The fiber optic adapters being angled relative to a front plane defined by the housing. The fiber optic adapters being interconnected to a multi-fiber cable connecter by fiber optic cables located within an interior of the housing.... Agent: Merchant & Gould Pc

20090214172 - Movable optical fiber connection system and optical fiber bend limiting device for use therein: An optical fiber bend limiting device may be used in a movable optical connection system to transition optical fibers between at least first and second optical fiber connecting structures that move relative to each other. The optical fiber bend limiting device may be coupled between the optical fiber connecting structures... Agent: Tcm/gtpp

20090208162 - Unit-cell array optical signal processor: This invention provides a versatile unit cell as well as programmable and reconfigurable optical signal processors (such as optical-domain RF filters) that are constructed from arrays of those unit cells interconnected by optical waveguides. Each unit cell comprises an optical microdisk, an optical phase shifter, and at least one input/output... Agent: O'connor & Company

20090208163 - High-sensitivity fiber-compatible optical acoustic sensor: An acoustic sensor includes at least one photonic crystal structure having at least one optical resonance with a resonance frequency and a resonance lineshape. The acoustic sensor further includes a housing mechanically coupled to the at least one photonic crystal structure. At least one of the resonance frequency and the... Agent: Knobbe Martens Olson & Bear LLP

20090208168 - Connector, optical transmission module and optical-electrical transmission module: A connector, including: a receptacle including a projecting terminal electrically connected to an external terminal; and a plug including a contact point with an elastic section to elastically deform when the projecting terminal is inserted therein to be electrically connected to the projecting terminal by resilience.... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090208167 - Manufacturing method of opto-electric hybrid board and opto-electric hybrid board obtained thereby: A method of manufacturing an opto-electric hybrid board capable of optically coupling light-emitting and light-receiving elements mounted on an electrical wiring board and an optical waveguide provided in an optical wiring board to each other easily with high accuracy. An opto-electric hybrid board obtained thereby. Guide pins have end portions... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090208164 - Printed circuit board and manufacturing method thereof: A printed circuit board and a method of manufacturing the printed circuit board are disclosed. The printed circuit board can include: an optical waveguide, in one side of which a circuit pattern and a pad are buried; an insulation layer stacked over one side of the optical waveguide; a first... Agent: Staas & Halsey LLP

20090208166 - Three-dimensional periodic structure including anti-reflection structure and light-emitting device: a first region connected to the second waveguide so as to cause at least part of the light that has propagated in the second waveguide via the reflective portion to propagate therein in a third guide mode. The reflective portions are formed of media having refractive indexes different from those... Agent: Fitzpatrick Cella Harper & Scinto

20090208165 - Waveguide type optical isolator and magnet holder used in waveguide type optical isolator: A waveguide type optical isolator comprises a substrate, a waveguiding layer provided with waveguides, a magnetic garnet, magnetic field applying means, and a package substrate, wherein a first magnet and a second magnet is provided as the magnetic field applying means, and the first magnet and the second magnet are... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090208169 - Optical switching device with reconfigurable channel spacing: An optical switching device includes an array of liquid crystal macropixels, wherein each macropixel includes at least two liquid crystal subpixels. The subpixels may be controlled together to act as a single polarizing pixel, or independently to act as multiple polarizing pixels. When the switching device processes a WDM having... Agent: Patterson & Sheridan, LLP

20090208170 - Optical beam flattening using multi-mode fiber: The present invention includes a device and method to create a light beam having substantially uniform far-field intensity. Light from a laser source is directed to at least one multimode optical fiber configured produce an intensity profile approximated by a Bessel function.... Agent: Bae Systems

20090208171 - Waveguide for heat assisted magnetic recording: An apparatus includes a slider mounted on an arm, a first waveguide including a first core guiding layer, a second waveguide mounted on the slider and including a second core guiding layer having a thickness smaller than the thickness of the first core guiding layer, and a coupler for coupling... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090208172 - Bi-directional optical communication module: An optical communication module includes a base substrate; a wavelength branching filter arranged on the base substrate, in which a light is allowed to go through or be reflected according to a wavelength thereof; a photodetector arranged on the base substrate to receive a light passed through the wavelength branching... Agent: Volentine & Whitt PLLC

20090208173 - Fiber cable terminator: A fiber cable assembly includes a cable formed from a bundle of fiber optic strands, a buffer encasing the bundle, and a terminator clamp coupled to an end of the cable over the buffer. The terminator clamp includes a first clamp portion and a second clamp portion. The first and... Agent: Faegre & Benson LLP Patent Docketing - Intellectual Property

20090208174 - Apparatus for positioning optical fibers: An apparatus for splicing optical fibers is arranged on a supporting plate in the form of a printed circuit board. The apparatus comprises a first optical fiber guide, which is arranged on a spring plate to displace a first optical fiber in the longitudinal direction, and a second optical fiber... Agent: Corning Cable Systems C/o Coring Intellectual Property Department

20090208176 - Extended triangular lattice type photonic bandgap fiber: An extended triangular lattice type photonic bandgap fiber, includes a cladding and a capillary core, the cladding having a plurality of holes disposed within a silica glass portion in a longitudinal direction of the fiber and arranged in an extended triangular lattice shape, the capillary core having a plurality of... Agent: Sughrue Mion, PLLC

20090208175 - Hollow fiber and method for fabricating same: A hollow fiber has a hollow tube, a reflecting film formed on an inner wall of the hollow tube, and the reflecting film is a first metal film formed by baking a first metal nano particle solution including a first metal nano particle. The hollow fiber may have a transparent... Agent: Foley And Lardner LLP Suite 500

20090208177 - Drop terminal with optical splitter: A fiber optic network includes a main cable with a breakout location. A tether optically connected to the main cable at the breakout location where the tether includes a single fiber connector. The single fiber connector optically coupled to an input on an input end of an optical splitter which... Agent: Merchant & Gould PC

20090208178 - Modular optical wall box enclosure: A modular fiber optic enclosure for enclosing optical fiber connections that includes a base housing module with a plurality of sides having a front end portion and a back end portion and a base disposed at the back end portion, wherein the base and the sides define an interior region.... Agent: Merchant & Gould PC

20090202189 - Optical control element: An optical control element includes: a substrate formed of a material having an electro-optical effect; and an optical waveguide formed on a top or bottom surface of the substrate. The optical waveguide has a modulation region b (s) and non-modulation regions a and c along the propagating direction of a... Agent: Chapman And Cutler

20090202190 - Optical waveguide: When light is made incident to an optical waveguide path 14 formed through a main body 12 composed of silver (Ag) that is a plasmon active medium, surface plasmon is generated on a definition face 55 of the optical waveguide path 14 (including a fine aperture 16). Thus, the intensity... Agent: Marsh, Fischmann & Breyfogle LLP

20090202191 - Systems and techniques for generating cylindrical vector beams: A technique is described for generating a cylindrically polarized beam, e.g., a radially or azimuthally polarized beam. An input optical fiber is provided that supports signal propagation in a fundamental LP01 mode. A mode converter device converts the fundamental LP01 mode into a higher-order LP11 mode output that includes a... Agent: Jacobs & Kim LLP

20090202192 - Location marker for distributed temperature sensing systems: Methods and apparatus for distributed temperature sensing (DTS) include marking one or more points at known locations along a waveguide or fiber of a distributed temperature sensing (DTS) system and applying position information from such marked locations to DTS measurements. A Bragg grating in the waveguide or fiber may provide... Agent: Patterson & Sheridan, L.L.P.

20090202194 - Optical measuring device for determining temperature in a cryogenic environment and winding arrangement whose temperature can be monitored: An optical measuring device for determining temperature in a cryogenic environment includes at least one optical waveguide provided with at least one fiber Bragg grating sensor that is interrogated by a light signal. The device includes a light injector that injects light into the at least one fiber Bragg grating... Agent: Schiff Hardin, LLP Patent Department

20090202193 - Waveguide core and biosensor: A waveguide core made of hydrogel serves as an immobilization matrix having receptor molecules embedded therein.... Agent: Schoppe, Zimmermann , Stockeler & Zinkler C/o Keating & Bennett, LLP

20090202195 - Fiber optic pressure sensors and catheters: A catheter with many fiber optic pressure sensors. The sensor diaphragm is formed from a wafer with a thin silicon layer and a silicon substrate layer separated by a silicon dioxide layer. A method includes masking and etching channels through the silicon substrate layer in a pattern of concentric circles... Agent: Naval Research Laboratory Associate Counsel (patents)

20090202196 - Method of tuning optical components integrated in a monolithic photonic integrated circuit (pic): An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs of different wavelengths. A wavelength selective combiner is formed on the PIC... Agent: Infinera Corporation

20090202197 - Monolithically integrated optoelectronic subassembly: A monolithically integrated optoelectronic subassembly having a waveguide layer stack which is applied on a substrate and has a fibre light-receiving waveguide layer in which at least one photodiode is waveguide-integrated is proposed. A plurality of photodiodes is integrated in the waveguide which is structured laterally and/or vertically in such... Agent: Gibson & Dernier L.L.P.

20090202198 - Optical waveguide device: An optical waveguide device including a dielectric substrate and a folded waveguide formed on the substrate, including a first waveguide and a second waveguide, one part of the first waveguide being connected to one end of the second waveguide at a first coupling portion, the other end of the second... Agent: Staas & Halsey LLP

20090202199 - Optical module: An optical module (1) including a light receiving/emitting element (3) for transmitting or receiving an optical signal, an optical waveguide (2) having a core part made of a material with translucency and a clad part made of a material having an index of refraction different from an index of refraction... Agent: Osha Liang L.L.P.

20090202200 - Beam steering element with built-in detector and system for use thereof: An all-optical cross-connect switching system provides optical switching that may reduce processing requirements by three orders of magnitude over conventional techniques by associating at least one optical detector with an optical beam steering element. In one embodiment, a first beam steering element, having a reflective surface in optical association with... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090202201 - Mode selective fiber stub, a transmitter optical subassembly that incorporates the stub and methods for making the mode selective fiber stub: A fiber stub assembly is provided that has a cladding layer that is reduced in diameter near the end of the stub into which light is launched from a light source. The portion of the stub having the cladding layer with the reduced diameter is surrounded by a light-absorbing material... Agent: Kathy Manke Avago Technologies Limited

20090202203 - Coupling element alignment using waveguide fiducials: An optical assembly includes a waveguide assembly and an optical coupling element. The waveguide assembly includes a core, a cladding portion, and, preferably, at least two waveguide core fiducials, the at least two waveguide core fiducials and the core being lithographically formed substantially simultaneously in a substantially coplanar layer. The... Agent: Ryan, Mason & Lewis, LLP

20090202202 - Fiber lens with fresnel zone plate lens and method for producing the same: A Fresnel lens-integrated optical fiber that can be easily aligned and manufactured in miniature, and a method of fabricating the same are provided. The Fresnel lens-integrated optical fiber includes a light transmission section transmitting incident light, a light expansion section coupled to the light transmission section and expanding light provided... Agent: Occhiuti Rohlicek & Tsao, LLP

20090202204 - Optical coupler, a method of its fabrication and use: wherein said output end face of said input section is optically coupled to said input end face of said output section and at least said confining region of said output fibre is tapered down from a first cross sectional area at said input end face to a second, smaller cross... Agent: Buchanan, Ingersoll & Rooney PC

20090202205 - Adjustable optical tap: An adjustable optical tap for adjusting input power, output power and drop power in a communications network includes an enclosure having a plurality of connector assemblies being configured for interconnecting input and output cables; a cover attachable to the enclosure, the cover including a plurality of drop cable ports; and... Agent: Corning Incorporated

20090202206 - Integrated optical splitter system: A system and method directed to an integrated fiber optic splitter assembly having at least two fused splitters disposed in a common substrate. An integrated optical splitter assembly includes a plurality of input fibers, a plurality of output fibers, and a plurality of splitters disposed on a single substrate to... Agent: Attention Of David G. Schmaltz Merchant & Gould P.C.

20090202207 - Industrial interconnect system incorporating transceiver module cage: An interconnect system (30, 100) includes a transceiver module assembly (105) that is mountable in an industrial receptacle (28, 103). The receptacle mates to an industrial optical connector (34) to form an environmentally sealed connection. The receptacle has an interior passageway (143, 162) and mating means (124) for attaching the... Agent: Molex Incorporated

20090202208 - Air blown optical fiber unit having bead attached on the surface: Disclosed is an air blown optical fiber unit having low friction with an installation tube during air blown installation. The air blown optical fiber unit includes at least one optical fiber, a buffer layer surrounding the optical fiber and made of polymer resin, an outer layer surrounding the buffer layer... Agent: Stroock & Stroock & Lavan LLP

20090202209 - Air blown optical fiber unit having bead attached on the surface: Disclosed is an air blown optical fiber unit having beads attached on its surface. The air blown optical fiber unit includes at least one optical fiber, a buffer layer surrounding the optical fiber and made of polymer resin, an outer layer surrounding the buffer layer and made of polymer resin,... Agent: Stroock & Stroock & Lavan LLP

20090202210 - Composite material for cable floatation jacket: A composite material for a cable floatation jacket is provided. The composite material comprises a thermoplastic elastomer matrix, and a plurality of carbon constituents interspersed in the thermoplastic elastomer matrix. The carbon constituents comprise a plurality of carbon fibers, and a plurality of carbon microballoons attached to each of the... Agent: Fogg & Powers LLC

20090202211 - Microstructured transmission optical fiber: Microstructured optical fiber for single-moded transmission of optical signals, the optical fiber including a core region and a cladding region, the cladding region including an annular void-containing region that contains non-periodically disposed voids. The optical fiber provides single mode transmission and low bend loss.... Agent: Corning Incorporated

20090202212 - Cable slack storage rack: A cable slack storage rack includes a first and second cable zone and a medial portion disposed between them. The first and second cable zones have one or more cable keepers, each of which may define an opening therein for receiving cable for slack storage. The cable slack storage rack... Agent: Corning Incorporated

20090202213 - Routing device for optical fibre systems: A routing device is provided for use in optical systems for routing and distributing optical fibres within optical networks, optical hardware, and optical joints thereof. The routing device includes a plurality of cable ports for receiving one or more cable elements, which include one or more optical fibres. Each of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090202214 - Wall box adapted to be mounted at a mid-span access location of a telecommunications cable: The present disclosure relates to a wall box adapted to be mounted at a mid-span access location of a fiber optic telecommunications cable. The wall box includes an enclosure having a main body with an open front side. The enclosure also includes a front cover for opening and closing the... Agent: Merchant & Gould PC

20090202189 - Optical control element: An optical control element includes: a substrate formed of a material having an electro-optical effect; and an optical waveguide formed on a top or bottom surface of the substrate. The optical waveguide has a modulation region b (s) and non-modulation regions a and c along the propagating direction of a... Agent: Chapman And Cutler

20090202190 - Optical waveguide: When light is made incident to an optical waveguide path 14 formed through a main body 12 composed of silver (Ag) that is a plasmon active medium, surface plasmon is generated on a definition face 55 of the optical waveguide path 14 (including a fine aperture 16). Thus, the intensity... Agent: Marsh, Fischmann & Breyfogle LLP

20090202191 - Systems and techniques for generating cylindrical vector beams: A technique is described for generating a cylindrically polarized beam, e.g., a radially or azimuthally polarized beam. An input optical fiber is provided that supports signal propagation in a fundamental LP01 mode. A mode converter device converts the fundamental LP01 mode into a higher-order LP11 mode output that includes a... Agent: Jacobs & Kim LLP

20090202192 - Location marker for distributed temperature sensing systems: Methods and apparatus for distributed temperature sensing (DTS) include marking one or more points at known locations along a waveguide or fiber of a distributed temperature sensing (DTS) system and applying position information from such marked locations to DTS measurements. A Bragg grating in the waveguide or fiber may provide... Agent: Patterson & Sheridan, L.L.P.

20090202194 - Optical measuring device for determining temperature in a cryogenic environment and winding arrangement whose temperature can be monitored: An optical measuring device for determining temperature in a cryogenic environment includes at least one optical waveguide provided with at least one fiber Bragg grating sensor that is interrogated by a light signal. The device includes a light injector that injects light into the at least one fiber Bragg grating... Agent: Schiff Hardin, LLP Patent Department

20090202193 - Waveguide core and biosensor: A waveguide core made of hydrogel serves as an immobilization matrix having receptor molecules embedded therein.... Agent: Schoppe, Zimmermann , Stockeler & Zinkler C/o Keating & Bennett, LLP

20090202195 - Fiber optic pressure sensors and catheters: A catheter with many fiber optic pressure sensors. The sensor diaphragm is formed from a wafer with a thin silicon layer and a silicon substrate layer separated by a silicon dioxide layer. A method includes masking and etching channels through the silicon substrate layer in a pattern of concentric circles... Agent: Naval Research Laboratory Associate Counsel (patents)

20090202196 - Method of tuning optical components integrated in a monolithic photonic integrated circuit (pic): An optical transmitter comprises a monolithic transmitter photonic integrated circuit (TxPIC) chip that includes an array of modulated sources formed on the PIC chip and having different operating wavelengths approximating a standardized wavelength grid and providing signal outputs of different wavelengths. A wavelength selective combiner is formed on the PIC... Agent: Infinera Corporation

20090202197 - Monolithically integrated optoelectronic subassembly: A monolithically integrated optoelectronic subassembly having a waveguide layer stack which is applied on a substrate and has a fibre light-receiving waveguide layer in which at least one photodiode is waveguide-integrated is proposed. A plurality of photodiodes is integrated in the waveguide which is structured laterally and/or vertically in such... Agent: Gibson & Dernier L.L.P.

20090202198 - Optical waveguide device: An optical waveguide device including a dielectric substrate and a folded waveguide formed on the substrate, including a first waveguide and a second waveguide, one part of the first waveguide being connected to one end of the second waveguide at a first coupling portion, the other end of the second... Agent: Staas & Halsey LLP

20090202199 - Optical module: An optical module (1) including a light receiving/emitting element (3) for transmitting or receiving an optical signal, an optical waveguide (2) having a core part made of a material with translucency and a clad part made of a material having an index of refraction different from an index of refraction... Agent: Osha Liang L.L.P.

20090202200 - Beam steering element with built-in detector and system for use thereof: An all-optical cross-connect switching system provides optical switching that may reduce processing requirements by three orders of magnitude over conventional techniques by associating at least one optical detector with an optical beam steering element. In one embodiment, a first beam steering element, having a reflective surface in optical association with... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090202201 - Mode selective fiber stub, a transmitter optical subassembly that incorporates the stub and methods for making the mode selective fiber stub: A fiber stub assembly is provided that has a cladding layer that is reduced in diameter near the end of the stub into which light is launched from a light source. The portion of the stub having the cladding layer with the reduced diameter is surrounded by a light-absorbing material... Agent: Kathy Manke Avago Technologies Limited

20090202203 - Coupling element alignment using waveguide fiducials: An optical assembly includes a waveguide assembly and an optical coupling element. The waveguide assembly includes a core, a cladding portion, and, preferably, at least two waveguide core fiducials, the at least two waveguide core fiducials and the core being lithographically formed substantially simultaneously in a substantially coplanar layer. The... Agent: Ryan, Mason & Lewis, LLP

20090202202 - Fiber lens with fresnel zone plate lens and method for producing the same: A Fresnel lens-integrated optical fiber that can be easily aligned and manufactured in miniature, and a method of fabricating the same are provided. The Fresnel lens-integrated optical fiber includes a light transmission section transmitting incident light, a light expansion section coupled to the light transmission section and expanding light provided... Agent: Occhiuti Rohlicek & Tsao, LLP

20090202204 - Optical coupler, a method of its fabrication and use: wherein said output end face of said input section is optically coupled to said input end face of said output section and at least said confining region of said output fibre is tapered down from a first cross sectional area at said input end face to a second, smaller cross... Agent: Buchanan, Ingersoll & Rooney PC

20090202205 - Adjustable optical tap: An adjustable optical tap for adjusting input power, output power and drop power in a communications network includes an enclosure having a plurality of connector assemblies being configured for interconnecting input and output cables; a cover attachable to the enclosure, the cover including a plurality of drop cable ports; and... Agent: Corning Incorporated

20090202206 - Integrated optical splitter system: A system and method directed to an integrated fiber optic splitter assembly having at least two fused splitters disposed in a common substrate. An integrated optical splitter assembly includes a plurality of input fibers, a plurality of output fibers, and a plurality of splitters disposed on a single substrate to... Agent: Attention Of David G. Schmaltz Merchant & Gould P.C.

20090202207 - Industrial interconnect system incorporating transceiver module cage: An interconnect system (30, 100) includes a transceiver module assembly (105) that is mountable in an industrial receptacle (28, 103). The receptacle mates to an industrial optical connector (34) to form an environmentally sealed connection. The receptacle has an interior passageway (143, 162) and mating means (124) for attaching the... Agent: Molex Incorporated

20090202208 - Air blown optical fiber unit having bead attached on the surface: Disclosed is an air blown optical fiber unit having low friction with an installation tube during air blown installation. The air blown optical fiber unit includes at least one optical fiber, a buffer layer surrounding the optical fiber and made of polymer resin, an outer layer surrounding the buffer layer... Agent: Stroock & Stroock & Lavan LLP

20090202209 - Air blown optical fiber unit having bead attached on the surface: Disclosed is an air blown optical fiber unit having beads attached on its surface. The air blown optical fiber unit includes at least one optical fiber, a buffer layer surrounding the optical fiber and made of polymer resin, an outer layer surrounding the buffer layer and made of polymer resin,... Agent: Stroock & Stroock & Lavan LLP

20090202210 - Composite material for cable floatation jacket: A composite material for a cable floatation jacket is provided. The composite material comprises a thermoplastic elastomer matrix, and a plurality of carbon constituents interspersed in the thermoplastic elastomer matrix. The carbon constituents comprise a plurality of carbon fibers, and a plurality of carbon microballoons attached to each of the... Agent: Fogg & Powers LLC

20090202211 - Microstructured transmission optical fiber: Microstructured optical fiber for single-moded transmission of optical signals, the optical fiber including a core region and a cladding region, the cladding region including an annular void-containing region that contains non-periodically disposed voids. The optical fiber provides single mode transmission and low bend loss.... Agent: Corning Incorporated

20090202212 - Cable slack storage rack: A cable slack storage rack includes a first and second cable zone and a medial portion disposed between them. The first and second cable zones have one or more cable keepers, each of which may define an opening therein for receiving cable for slack storage. The cable slack storage rack... Agent: Corning Incorporated

20090202213 - Routing device for optical fibre systems: A routing device is provided for use in optical systems for routing and distributing optical fibres within optical networks, optical hardware, and optical joints thereof. The routing device includes a plurality of cable ports for receiving one or more cable elements, which include one or more optical fibres. Each of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090202214 - Wall box adapted to be mounted at a mid-span access location of a telecommunications cable: The present disclosure relates to a wall box adapted to be mounted at a mid-span access location of a fiber optic telecommunications cable. The wall box includes an enclosure having a main body with an open front side. The enclosure also includes a front cover for opening and closing the... Agent: Merchant & Gould PC

20090196543 - Fiber optic acceleration and displacement sensors: A fiber optic sensor for detecting acceleration or displacement includes a fiber optic probe with a multimode transmitting optical fiber, a multimode receiving optical fiber and a edge reflector spaced apart from the fiber probe. The reflector moves in a transverse direction substantially normal to the longitudinal axis of the... Agent: Naval Research Laboratory Associate Counsel (patents)

20090196544 - Waveguide sensor for sensing: A waveguide sensor according to an embodiment of the present invention includes: a substrate; a first underclad arranged on one side of the substrate; a first sensing core arranged on outer side of the first underclad and having a stripe pattern which extends in one direction; a first overclad arranged... Agent: Sughrue Mion, PLLC

20090196547 - Low-loss optical interconnect: A low-loss optical interconnect is disclosed and may include an optical interconnect system with narrow and wide waveguides joining optical devices. The system may also comprise mode converters and waveguide bends. The waveguides may be made of silicon. Other exemplary aspects of the invention may comprise a continuous optical bend,... Agent: Luxtera, Inc.

20090196546 - Optical integrated circuit, opto-electronic integrated circuit and manufacturing method thereof: In the opto-electronic integrated circuit, an optical waveguide in which a sapphire substrate for an SOS substrate is formed as a lower clad and a silicon film is formed as a core, an electronic integrated circuit formed in the silicon film, and grooves for fixing optical fibers are formed monolithically.... Agent: Volentine & Whitt PLLC

20090196545 - Optical-electrical composite transmission device and electronic equipment: An optical-electrical composite cable as an example of an optical-electrical composite transmission device has a flexible board as an electrical signal transmission member having an electric wiring section, and an optical fiber as an optical signal transmission member. The optical fiber is passed through a plurality of holes formed in... Agent: Nixon & Vanderhye, PC

20090196548 - Semiconductor device having optical signal input-output mechanism: A semiconductor device has printed wiring board (11) where electric wiring (18) connected to LSI chip (17) and to planar optical element (21) is formed, and where optical waveguide (25) which transfers light inputted into planar optical element (21) and/or light outputted from planar optical element (21) is fixed. Planar... Agent: Sughrue Mion, PLLC

20090196549 - Modular all-optical cross-connect: An all-optical, optical cross-connect includes first and second pluralities of multiport optical devices. Each of the first plurality of multiport optical devices have at least one input port for receiving a WDM optical signal and a plurality of output ports for selectively receiving one of more wavelength components of the... Agent: Mayer & Williams PC

20090196550 - Optical-electrical transmission connector, optical-electrical transmission device and electronic device: An optical-electrical transmission connector having resistance to optical axis misalignment, having small loss, easily increasing the number of buses, and capable of being formed of a commonly-used material is provided. In a male connector, one collimating lens facing the other collimating lens when connecting the male connector to a female... Agent: Robert J. Depke Lewis T. Steadman

20090196551 - Multimode planar waveguide spectral filter: A spectral filter comprises a planar optical waveguide having at least one set of diffractive elements. The waveguide confines in one transverse dimension an optical signal propagating in two other dimensions therein. The waveguide supports multiple transverse modes. Each diffractive element set routes, between input and output ports, a diffracted... Agent: Schwabe, Williamson & Wyatt, P.C. Pacwest Center, Suite 1900

20090196552 - Light coupler and manufacturing method thereof: The present invention provides a light coupler and a manufacturing method thereof. The light coupler of the invention includes a plurality of light input terminals, a plurality of light output terminals, a plurality of half mirrors, and an optical wave guide connecting the plurality of the light input terminals, the... Agent: Mcginn Intellectual Property Law Group, PLLC

20090196553 - Methods for forming connectorized fiber optic cabling: A connectorized fiber optic cabling assembly includes a loose tube fiber optic cable and a connector assembly. The cable has a termination end and includes: an optical fiber bundle including a plurality of optical fibers; at least one strength member; and a jacket surrounding the optical fiber bundle and the... Agent: Myers Bigel Sibley & Sajovec

20090196554 - Coupling device, auxilliary device and adaptor fixing member: A coupling device for coupling optical fiber cables facilitates positioning in a circumferential direction for coupling a connector. When a connector fixing member is inserted into an adaptor fixing member, a protruding section of the connector fixing member slides along an end surface of the adaptor fixing member, and is... Agent: Buchanan, Ingersoll & Rooney PC

20090196555 - Flexibly bended boot for optical fiber connector: A boot for an optical fiber connector according to the present invention is provided. The boot includes a hollow cylindrical body and a protrusion portion integrally formed on the hollow cylindrical body. In addition, a member with the property of plasticity is axially embedded in the protrusion portion so that... Agent: Lowe Hauptman Ham & Berner, LLP

20090196556 - 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... Agent: Sughrue Mion, PLLC

20090196558 - Data communication cable comprising filling matrix and method of fabrication: A data communication cable can comprise multiple pairs of twisted conductors. A jacket that extends along the outside surface of the cable can define a longitudinal core, internal to the cable. The conductor pairs can be disposed in the core of the cable along with a foam matrix or a... Agent: King & Spalding

20090196557 - Dual conductor fiber optic cable: A powered fiber optic cable for use in a hydrocarbon well of extensive depth and/or deviation. The cable may couple to a downhole tool for deployment to well locations of over 30,000 feet in depth while maintaining effective surface communication and powering of the tool. The cable may be configured... Agent: Schlumberger Ipc Attn: David Cate

20090196559 - Resin composition for optical materials, resin film for optical material, and optical waveguide: A resin composition for an optical material, which is excellent in heat resistance and transparency and is soluble in an aqueous alkali solution, a resin film for an optical material made of the resin composition, and an optical waveguide using the same are provided. The resin composition for an optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090196560 - Polymer clad optical fiber: A polymer clad optical fiber is provided in which, if the diameter of an inner core is taken as a1, and the diameter of an outer core is taken as a2, and if a ratio X (which=a22/a12) between a cross-sectional area of the inner core and a cross-sectional area of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090196561 - Photonic crystal surface states: A photonic crystal may be configured to support a surface state for logic.... Agent: Searete LLC Clarence T. Tegreene

20090196562 - Film waveguide, method of manufacturing film waveguide, and electronic device: A method of manufacturing a film waveguide includes molding a first clad layer formed with a concave groove for core filling, molding a second clad layer, and laminating the surface formed with the concave groove of the first clad layer and the second clad layer using resin. The resin has... Agent: Osha Liang L.L.P.

20090196564 - Fiber routing system with drop-in device: A fiber routing system with drop-in device protects and organizes cables entering into cabinets and racks and then transports the cables within the cabinets or racks to equipment or connection locations. A drop-in device associated with the fiber routing system manages the cables extending vertically into the fiber routing system... Agent: Merchant & Gould PC

20090196563 - Multi-fiber optical patch cord breakout assembly: A fiber cable adapter comprises adjacent rows of fibers, each beginning with a set of fibers comprising a fiber pair, which comprises a transmitting fiber adjacent a receiving fiber, and a spare fiber adjacent the fiber pair. The spare fiber immediately precedes the fiber pair in one of the rows... Agent: Goodman, Allen & Filetti PLLC

20090196565 - Telecommunications connection cabinet: A telecommunications connection cabinet includes an enclosure; a splitter mounting location positioned within the enclosure; a fiber connection location positioned within the enclosure; and a connector storage location positioned within the enclosure. The splitter mounting location is located between the fiber connection location and the connector storage location. At least... Agent: Merchant & Gould PC

20090196566 - Apparatus for splicing of optical waveguide sections: An apparatus for splicing of optical waveguide sections is in the form of a handheld splicer. The splicer comprises a preprocessing unit, which may comprise a plurality of processing devices for carrying out removal, cleaning and cutting steps. The optical waveguide sections are clamped in a holding apparatus and are... Agent: Corning Incorporated