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Optical waveguides April category listing, related patent applications 04/12

20120099812 - Electro-optic device: An electro-optic device is disclosed, in which an RF signal electrode is used as a bias ground electrode. Thus, for Z-cut lithium niobate electro-optic crystals, there is no need to place a buried bias electrode under the RF signal electrode and over the optical waveguide. As a result, both optical... Agent: Jds Uniphase Corporation

20120099813 - Phase shifter and electro-optic modulation device including the same: A phase shifter includes an optical waveguide, a plurality of impurity regions and a plurality of electrodes. The optical waveguide receives an optical input signal and outputs an optical output signal. The impurity regions include respective charge carriers. The impurity regions are disposed in contact with the optical waveguide at... Agent:

20120099814 - Upstream fiber optic couplers and methods for power splitting passive optical networks: A fiber optic coupler includes a housing that receives upstream optical signals from drop optical fibers that are optically coupled to optical network units in a power splitting passive optical network and provides an aggregate upstream optical signal to a trunk optical fiber that is optically coupled to an optical... Agent:

20120099815 - Collimating coupler for laser treatment devices: Electromagnetic energy generated by a collection of individual laser modules is coupled by corresponding individual waveguides to an input of a multi-lumen ferrule. The energy is conveyed from an output of the multi-lumen ferrule to collimating and converging assemblies before being transmitted to a trunk fiber and thence to a... Agent:

20120099817 - High quality factor photonic crystal nanobeam cavity and method of designing and making same: A deterministic design and manufacturing of an ultrahigh Q-factor, wavelength-scale optical cavity is invented and experimentally demonstrated. The design can be implemented on photonic crystal nanobeam cavities, which are based on 1D optical waveguides. The waveguide has dielectric index alternations that provide constructive interference and produces optical resonance.... Agent:

20120099818 - Optical waveguide for touch panel: The optical waveguide is disposed along the periphery of a display screen of a display of a touch panel. A light-emitting optical waveguide section and a light-receiving optical waveguide section are disposed in an alternating pattern along each edge of the display screen. Both of the light-emitting optical waveguide section... Agent: Nitto Denko Corporation

20120099816 - Photonics module and method of manufacturing: An improved photonics module includes a Silicon motherboard having a plurality of v-grooves that collimate and optically align a laser diode emission is held within an enclosure that includes two or more positioning portions that locate and guide the Silicon motherboard in the desired position within the enclosure. The enclosure... Agent: Palomar Medical Technologies, Inc.

20120099819 - Optical contact, a multicontact, and a method of connecting two optical contacts together: An optical contact having a ferrule extending along a longitudinal axis, the ferrule having a front face facing an optical contact of complementary type when the optical contact is connected to the optical contact of complementary type, and a rear face opposite from the front face, and a body within... Agent: Radiall

20120099820 - Two dimensional optical connector: There is described a method for fabricating an optical connector comprising: embedding each one of a plurality of first optical waveguides in a corresponding one of a plurality of first grooves of a first substrate; embedding each one of a plurality of second optical waveguides in a corresponding one of... Agent:

20120099821 - Fiber assembly adapted for optical transmitting: A fiber assembly (1000) includes a housing (1) having a base portion (10) and at least one mounting arm (12) extending beyond a front side of the base portion, the base portion defining a plurality passages along a front-to-back direction; a number of fibers (2) respectively extending into the passages... Agent: Hon Hai Precision Industry Co., Ltd.

20120099822 - Optical communication connector: In accordance with the following description, an optical communication connector includes a ferrule having retractable alignment pins that are actuable between an extended position and a retracted position. For example, the connector may include an inner housing assembly having optical fibers and an outer housing positioned over the inner housing... Agent: Panduit Corp.

20120099823 - Cable assembly with improved transmission rate: A cable assembly, comprising a housing having a plurality of receiving grooves recessing forwardly from a rear surface thereof, a plurality of lenses located on a front surface of the housing, a plurality of conductive terminals received in the housing and arranged in two rows, a cable electrically connected to... Agent: Hon Hai Precision Industry Co., Ltd.

20120099824 - Cable comprising a layer able to emit light radiation: A power and/or telecommunication cable (Ia,Ib) includes one or several conductor elements (10,20,30) surrounded by an outer sheath, where the outer sheath (40,50) comprising a first layer (40a, 40b) able to emit light radiation, and a second layer (50) made of a light transmitting thermoplastic polyurethane (TPU) material surrounding the... Agent:

20120099825 - Fiber optic cable and method of manufacture: A fiber-optic cable for applications subject to extreme temperatures and high crushing and bending forces incorporating a loose fluoropolymer buffer material, a aramid/fiberglass strength member, and a fluoropolymer outer jacket compromising low smoke, low toxicity, and low flammability when exposed to flame.... Agent:

20120099826 - Optical connector organizer: A conductor packaging assembly for packaging a plurality of conductors is provided. The assembly includes a housing and a plurality of connectors organized in the housing. The housing includes a first half and a second half hingedly attached with each other at one ends thereof and configured to removably attach... Agent: Afl Telecommunications LLC

20120099827 - Dendrimer based terahertz generator: A high efficiency electro-optic dendrimer based technology for nanophotonic integrated circuit devices is presented. In particular, a high power terahertz (THz) source is implemented using an electro-optic dendrimer via electro-optic rectification. Electro-optic rectification provides inherent power scalability, because, pump-THz conversion is not limited either by emission saturation or by heat... Agent:

20120099828 - Fabrication of a laminated optical wedge: Embodiments are disclosed that relate to fabrication of a laminated optical wedge. One embodiment provides a method comprising inserting a wedge blank into a vacuum molding tool, applying a vacuum to the vacuum molding tool, and removing a layer from a top surface of the wedge blank to expose a... Agent: Microsoft Corporation

20120093454 - Planar waveguide faraday rotator: A planar core and a cladding disposed on opposite sides of thereof. In the best mode, the rotator includes a very low Numerical Aperture (NA) planar waveguide. The cladding is birefringent and the refractive index and birefringence thereof are optimized to provide equal mode propagation velocities for both TE and... Agent: Raytheon Company

20120093455 - Ultra-sensitive electric field detection device: An electric field detection device. In one embodiment, the electric field detection device includes an interferometer having a reference arm and an active arm. The reference arm comprises a first electro-optic waveguide. The active arm comprises a first electrically conductive plate, a second electrically conductive plate spaced apart from the... Agent: Northwestern University

20120093456 - Coupling methods and systems using a taper: Disclosed are optical devices for coupling radiation between an optical waveguide and an external medium. In one embodiment, an optical device is disclosed comprising a semiconductor die comprising an integrated optical waveguide core and an overlying optical waveguide comprising a waveguide taper and a waveguide facet. The overlying optical waveguide... Agent: Imec

20120093457 - Optical 90-degree hybrid circuit: An optical 90-degree hybrid circuit includes a first demultiplexing optical coupler having two or more first input ports and two or more first output ports, a second demultiplexing optical coupler having two or more second input ports and two or more second output ports, two first arm waveguides connected to... Agent: Nippon Telegraph And Telephone Corporation

20120093458 - Optical switch: A light-shielding portion (10) shields the light spot of output light output toward a shunt position α by a projecting portion (12). Hence, the output light output toward the shunt position α does not travel to an output port (111). This allows to prevent crosstalk.... Agent:

20120093459 - Optical channel tap assembly: An optical channel tap assembly comprises a first N by M waveguide array including a first set of optical channels to convey optical signals along a first set of conveyance paths. The optical channel tap assembly also comprises a second N by M waveguide array including a second set of... Agent:

20120093460 - Light guide for illumination: It is presented a light guide (1) having a polygonal shape with a plurality of sides (5), each side (5) connected by two corners (5). At least one of the corners is an in-coupling corner (4) for in-coupling of light into the light guide (1). At least one of the... Agent: Koninklijke Philips Electronics N.v.

20120093461 - Production of optical pulses at a desired wavelength utilizing higher-order-mode (hom) fiber: An apparatus and method for producing optical pulses of a desired wavelength utilizes a section of higher-order-mode (HOM) fiber to receive input optical pulses at a first wavelength, and thereafter produce output optical pulses at the desired wavelength through soliton self-frequency shifting (SSFS) or Cherenkov radiation. The HOM fiber is... Agent: Ofs Fitel, LLC

20120093462 - Unitary multi-fiber optical ferrule with integrated lenses: A unitary multi-fiber ferrule has micro-holes for optical fibers, an optical stop plane for the optical fibers, and a plurality of lenses disposed adjacent the front end, each of the plurality of lenses optically aligned with one of the micro-holes and exposed to air. Multiple rows of optical fibers and... Agent:

20120093463 - Fiber bragg grating hydrophone comprising a diaphragm amplifier: A fiber Bragg grating hydrophone includes a fluid chamber (1) and an optical fiber (2) in which a Bragg grating (3) is integrated, the optical fiber extending through the fluid chamber such that the Bragg grating is positioned inside the latter. The fluid chamber is filled with a compressible fluid... Agent: Ixblue

20120093464 - Optical fiber connector and related optical fiber connector assembly: An optical fiber connector assembly includes a female connector, a male connector, and a thin film filter. The female connector includes a first main body and a first lens portion. The first main body and the first lens portion are made of a same polymer material having a lower melting... Agent: Hon Hai Precision Industry Co., Ltd.

20120093465 - Optical ferrule assemblies and methods of making the same: Disclosed are multifiber ferrule assemblies and methods for manufacturing the same. In one embodiment, a finished multifiber ferrule can be provided with a front end having a first front surface that extends beyond a second front surface, thereby inhibiting interaction with a laser beam during processing. A plurality of optical... Agent:

20120093466 - Optical connector plug having improved latching mechanism: An optical connector assembly (1000) includes an optical connector plug (100) and an optical connector receptacle (600). The optical connector plug includes a base (3), a head portion (1) and a pair of springs (2) compressed between the base and the head portion. The base includes a body portion (30)... Agent: Hon Hai Precision Industry Co., Ltd.

20120093467 - Actuation feature for fiber optic connectors in dense arrays: An apparatus and related method is provided for connecting fiber optic cables to devices. In one embodiment, the apparatus comprises an optical fiber connector enabled to receive a cable containing one or a bundle of optical fibers. An actuation sleeve with extendable features is disposed on opposing sides of the... Agent: International Business Machines Corporation

20120093468 - Expanded four fiber unit cable for increased fiber count cables having increased flexibility and fiber strength utilization: A fiber optic cable includes a plurality of optical fiber subunits, each of the subunits including four fiber optic elements and an enclosing jacket. A plurality of optical fiber subunit assemblies are also included, each of which includes a plurality of the optical fiber subunits and an enclosing micro-sheath. The... Agent:

20120093470 - Optical fiber with single coating: An optical fiber includes a glass core and a protective coating consisting of a single coating layer disposed to surround the glass core, wherein the single coating layer is formed from a cured polymeric material obtained by curing a radiation curable composition including: (i) a radiation curable urethane(meth)acrylate oligomer, preferably... Agent:

20120093469 - Ultra high numerical aperture optical fibers: Various embodiments described include optical fiber designs and fabrication processes for ultra high numerical aperture optical fibers (UHNAF) having a numerical aperture (NA) of about 1. Various embodiments of UHNAF may have an NA greater than about 0.7, greater than about 0.8, greater than about 0.9, or greater than about... Agent: Imra America, Inc.

20120093471 - Low loss optical fiber designs and methods for their manufacture: The specification describes an improved optical fiber produced by a hybrid VAD/MCVD process. The core of the fiber is produced using VAD and the inner cladding layer has a depressed index and is produced using MCVD. In preferred embodiments, the optical power envelope is essentially entirely contained in VAD produced... Agent:

20120093475 - Cable management panel with sliding drawer: An optical fiber cable management panel is provided with slideable drawers and structure within the drawers for cable management and/or connection to other devices. Tray inserts drop into the drawers to provide the appropriate management and connection devices. A movable take-up mechanism manages the cable entering and exiting the drawers... Agent: Adc Telecommunications, Inc.

20120093472 - Communication cable connection box with waterproof device of elastic rubber shrinking pipe: A waterproof communication cable connection box includes a protective cover, a cable pass-through end surface, a hollow cylindrical pipe formed on the cable pass-through end surface, an elastic rubber shrinking pipe, and a flexible hard plastic strip provided on the inner wall of the elastic rubber shrinking pipe. The plastic... Agent:

20120093474 - Local convergence point for multiple dwelling unit fiber optic distribution network: A local convergence point for a fiber optic network is disclosed. The local convergence panel has an enclosure with an interior. An adapter panel separates the interior into a first section and a second section. An interior panel removably mounts in the interior in at least one of the first... Agent:

20120093473 - Transition box for multiple dwelling unit fiber optic distribution network: A transition box for a fiber optic network for a multiple distribution unit (MDU) is disclosed. The transition box comprises an enclosure a fiber optic adapter removably mounted in the enclosure. The fiber optic adapter is configured to receive one or more optical fibers of a riser cable to provide... Agent:

20120087613 - Thermally controlled semiconductor optical waveguide: An apparatus includes a conductive or semiconductive substrate and a dielectric layer located directly thereon. A semiconductor layer is located directly on the dielectric layer. The semiconductor layer includes a ridge waveguide and a heater strip extending parallel to the ridge waveguide. The heater strip is electrically isolated from the... Agent: Alcatel-lucent Usa, Incorporated

20120087616 - Optical control element: An optical control element which has a thin plate having an electro-optical effect and a thickness of 10 μm or less, optical waveguides formed in the thin plate, and a plurality of optical control portions for controlling light propagating through the optical waveguide, wherein, a portion between a plurality of... Agent: Sumitomo Osaka Cement Co.

20120087614 - Optical modulator: An optical modulator includes: a semiconductor chip; a waveguide in the semiconductor chip; a traveling wave electrode including an input portion and an output portion, to which a signal is applied for modulating light passing through the waveguide; a power supply line connected to the input portion via a first... Agent: Mitsubishi Electric Corporation

20120087615 - Optical waveguide element: Provided is an optical waveguide element in which an optical waveguide substrate is bonded to a reinforcement substrate having an electro-optical effect via an adhesive layer, the optical waveguide substrate having an optical waveguide formed on a substrate having the electro-optical effect and having a thickness of 30 μm or... Agent: Sumitomo Osaka Cement Co., Ltd.

20120087617 - Optical modulator and optical modulating method: An optical modulator includes a modulator that modulates an input light of light by using an input signal. The optical modulator further includes a compensation circuit that compensates the phase of a signal light in accordance with an input current, the signal light being the input light modulated by the... Agent: Fujitsu Optical Components Limited

20120087618 - Microfluidic waveguide detector: A microfluidic detection device is provided that includes a planar waveguide, or an ion-exchange planar waveguide, a microfluidic channel disposed on the planar waveguide, a light source, such as a laser, LED or incandescent light, directed through the planar waveguide, a labeled cell disposed in the microfluidic channel, where the... Agent:

20120087619 - Optical fibre cable for distributed fibre sensing: An optical fibre cable for distributed fibre sensing of fluid pressure is disclosed. There are also disclosed a method and an apparatus for distributed fibre sensing of fluid pressure using the optical fibre cable. The optical fibre cable is adapted for distributed pressure sensing, and comprises: one or more optical... Agent: Fotech Solutions Limited

20120087621 - Nanophotonic optical duplexer: An optical duplexer intended to receive light at a first optical wavelength and to transmit back light at a second optical wavelength, including, on a substrate, successive layers forming a photoreceptor of the first optical wavelength, a selective filter letting through the first optical wavelength, and a waveguide having a... Agent: Commissariat A L'energie Atomique Et Aux Energies Alternatives

20120087620 - Optical transmitter with flip-chip mounted laser or integrated arrayed waveguide grating wavelenth division multiplexer: An optical communication system comprising first and second planar substrates and an alignment assembly. The first substrate of a semiconductor material, is located on a planar surface of a sub-mount and having a planar first edge. The second substrate of a different second material, is located on said planar surface... Agent: Alcatel-lucent Usa Inc.

20120087622 - Mechanical optical switch: A mechanical fiber optic switch including a plurality of first optical fibers, having optical interface ends distributed along a longitudinal axis in a plurality of longitudinal levels, two or more of the longitudinal levels including a plurality of optical interface ends in different radial angles. In addition, the switch includes... Agent: Teliswitch Solutions Ltd.

20120087623 - Optical assembly for a wdm receiver or transmitter: An optical assembly for a wavelength-division-multiplexing (WDM) transmitter or receiver that lends itself to cost-effective production-line manufacturing. In one embodiment, the fiber optic assembly has a vernier-type arrayed waveguide grating (AWG) with five optical ports at one side and fourteen optical ports at another side. Ten of the fourteen ports... Agent: Alcatel-lucent Usa Inc.

20120087624 - Fiber optic rotary joint mechanism: A multi-channel fiber optic rotary joint mechanism has been invented in which optic signals can be transmitted simultaneously from a rotating fiber optic collimator bundle and a stationary fiber optic collimator bundle through an opto-mechanical de-rotating mechanism, which includes an optic de-rotating element, an internal gear and an flexure anti-backlash... Agent:

20120087625 - Fiber preform and method for manufacturing thereof: A fiber preform, including: a fiber core rod and an outer cladding layer. The ratio of the diameter of the fiber core rod to the diameter of the core layer thereof is 2.1-2.8. The fiber core rod and a small fluorine-doped quartz glass tube are melted to form a core... Agent:

20120087626 - Multi-core optical fibre: A multi-core optical fibre 1A in which a plurality of cores can easily be identified even in the case where they are symmetrically arranged in its section has seven cores 10 to 16, a visual recognition marker 20, and a shared cladding 30 enclosing the seven cores 10 to 16... Agent: Sumitomo Electric Industries, Ltd.

20120087627 - Compact high density central office fiber distribution system: A fiber distribution system having a rack mounted chassis and a fiber distribution rack to mount in the chassis. The system includes one or more splitter modules which are designed to be mounted in the fiber distribution rack. The splitter modules have a compact design and contain a plurality of... Agent: Opterna Am, Inc.

20120087628 - Fiber optic cable pass-thru fitting: A cable pass-thru assembly includes a fiber optic cable and a cable pass-thru fitting. The fiber optic cable includes an optical fiber and a strength member. The cable pass-thru fitting is adapted to receive at least a portion of the fiber optic cable. The cable pass-thru fitting includes a fitting... Agent: Adc Telecommunications, Inc.

20120087629 - Optical waveguide feedthrough assembly: An optical fiber feedthrough assembly includes a glass plug disposed in a recess of a feedthrough housing. The glass plug may define a large-diameter, cane-based, waveguide sealed within the recess in the housing and providing optical communication through the housing. Sealing occurs with respect to the housing at or around... Agent:

20120082410 - Hybrid waveguide device in powerful laser systems: A hybrid waveguide device includes a hollow core fiber having a core formed by a combination of solid material and gases. The hybrid nature of the core allows the hybrid device to transport a high energy high power laser beam having an ultra-short pulse width without damage to the hybrid... Agent:

20120082412 - Communication methods, methods of forming an interconnect, signal interconnects, integrated circuit structures, circuits, and data apparatuses: Some embodiments include communication methods, methods of forming an interconnect, signal interconnects, integrated circuit structures, circuits, and data apparatuses. In one embodiment, a communication method includes accessing an optical signal comprising photons to communicate information, accessing an electrical signal comprising electrical data carriers to communicate information, and using a single... Agent:

20120082411 - High voltage photo switch package module: A photo-conductive switch package module having a photo-conductive substrate or wafer with opposing electrode-interface surfaces, and at least one light-input surface. First metallic layers are formed on the electrode-interface surfaces, and one or more optical waveguides having input and output ends are bonded to the substrate so that the output... Agent: Lawrence Livermore National Security, LLC

20120082413 - An optical connection system: The present disclosure provides an optical connection system which comprises optical components that include a plurality of vertical cavity surface emitting lasers (VCSELs) for emitting modulated light in response to applied electrical signals and a plurality of receivers for receiving the emitted light. The optical components are arranged in at... Agent: Edith Cowan University

20120082414 - Optical 90-degree hybrid circuit: An optical 90-degree hybrid circuit includes: first and second optical splitters for receiving and splitting a first and second light beam into two, respectively; a first optical coupler for generating an interfering light beam by multiplexing one of the light beams split by the first optical splitter and the second... Agent: Nippon Telegraph And Telephone Corporation

20120082415 - Bragg grating fiber hydrophone with a bellows amplifier: A Bragg grating fiber hydrophone, includes a fluid chamber and an optical fiber in which a Bragg grating is integrated, the optical fiber passing through the fluid chamber along a longitudinal axis such that the Bragg grating is positioned inside the latter. The fluid chamber is filled with a compressible... Agent: Ixblue

20120082416 - Optical connector, connector adapter, optical fiber line, and optical communication system: There are provided an optical connector having one or more protruding portions protruding and one or more recessed portions depressed relative to a reference plane corresponding to a reference face of a coupling of a standard optical connector in a connecting end face of a coupling into which a housing... Agent: Fujikura Ltd.

20120082417 - Cleanable and self-cleaning fiber optic connector: An optical connector having a body with an outer surface, a first cavity extending within the body from the outer surface and a second cavity spaced apart from the first cavity and extending within the body of the connector from the outer surface. An optical component is positioned within the... Agent: Apple Inc.

20120082418 - Optical connector and optical connector ferrule: An optical connector comprises a housing, a regulating portion which is protrudes toward an inner surface of the housing, a ferrule which is secured to an optical fiber and which is accommodated inside the housing so as to be movable. The ferrule includes a base portion and a thinned portion... Agent: Fujikura Ltd.

20120082419 - Polishing jig, ferrule, and optical connector: A polishing jig 10 includes a holding member 11 for holding a ferrule 31 when polishing a front end face of the ferrule 31. The holding member 11 is formed by a holding member body 12 having a through hole 121 through which the ferrule 31 is inserted, and protrusions... Agent:

20120082420 - Optical module: An optical module includes: a flexible board having a first surface on which a component is mounted and a second surface opposite to the first surface; a bottom electrode part having a bottom surface on which a heat release electrode is provided, the bottom electrode part mounted on the first... Agent: Fujitsu Optical Components Limited

20120082421 - Optical connector having incorporated with power: A connector assembly includes an insulative housing having a base portion extending along a longitudinal direction, and a first body and a second body located at opposite sides of the base portion and protruding beyond the base portion along a mating direction thereby defining a first mating cavity therebetween. An... Agent: Hon Hai Precision Industry Co., Ltd.

20120082422 - Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable: An electric cable includes a strain sensor longitudinally extending along the cable and including a strain optical fibre arranged within a bending neutral region surrounding and including a bending neutral longitudinal axis of the electric cable, and at least two longitudinal structural elements, at least one of the at least... Agent:

20120082423 - Bullet lens design for the dasal seeker: An optic assembly is provided, that assembly comprising: a bullet collection lens; a plurality of fiber optic fiber bundles; and those fiber optic bundles being parallel to a central channel.... Agent: