Optical waveguides inventions 04/08

20080095485 - Optical modulator and transmitter: To reduce wavelength chirp and produce multi-valued signal light that can be readily demodulated on a receiver side, a Mach-Zehnder type optical modulator includes an incident waveguide that branches input light, a pair of optical waveguides that respectively transmit the branched light and exhibit an electro-optic effect, a pair of... Agent: Staas & Halsey LLP

20080095486 - Optical modulator utilizing multi-level signaling: An optical modulator is formed to include a plurality of separate electrodes disposed along one arm, the electrodes having different lengths and driven with different signals to provide for multi-level signaling (e.g., PAM-4 signaling). By using separate drivers to energize the different sections, the number of sections energized at a... Agent: Wendy W. Koba

20080095490 - High frequency ultrasound detection using polymer optical-ring resonator: A polymer waveguide resonator device for high-frequency ultrasound detection having a optical resonator coupled to a straight optical waveguide which serves as input and output ports. Acoustic waves irradiating the waveguide induce strain modifying the waveguide cross-section or other design property. As a consequence, the effective refractive index of optical... Agent: Harness, Dickey & Pierce, P.L.C

20080095491 - Integrated optical wave guide for light generated by a bipolar transistor: A monolithically integrated optical network device (20). The device comprises: a bipolar transistor (10) realized in a silicon substrate (11) that can be biased into an avalanche condition to emit photons; and a photonic bandgap (PBG) structure (22) monolithically integrated with the bipolar transistor (10) to act as an optical... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20080095492 - Semiconductor optoelectronic device and method of fabricating the same: Provided is a semiconductor opto-electronic device that may comprise an active layer including a quantum well and a barrier layer on a substrate, upper and lower waveguide layers on and underneath the active layer, respectively, and upper and lower clad layers on and underneath the upper and lower waveguide layers,... Agent: Harness, Dickey & Pierce, P.L.C

20080095494 - Photonic waveguide device for modal control: Uniaxially patterned (UAP) dielectric layers have an optical anisotropy that can be dynamically controlled. In a three-layer optical waveguide structure, the pattern can be included in the core or in a cladding layer. The pattern influences the polarization properties of radiation propagating in the structure. Predicated on the effect are... Agent: Silber & Fridman

20080095495 - Evanescent sensor using a hollow-core ring mode waveguide: Method and apparatus enable optical evanescent sensing utilizing a waveguide with an annular core. The annular core can provide detectable sensitivity to a measurand due to optical interactions with contents along an inside surface of the annular core since optical properties of the contents vary with changes in the measurand.... Agent: Patterson & Sheridan, L.L.P.

20080095496 - Optical turnaround: Fiber optic sensors commonly require a 180 degree turnaround to form a continuous optical circuit. Methods and apparatus for providing 180 degree turnarounds in a fiber optic system that include a shorter radius turnaround then provided by micro-bending the optic fiber are desired. An embodiment of a turnaround apparatus includes... Agent: Schlumberger Reservoir Completions

20080095497 - Low coupling loss photodetector/optical fiber apparatus and method for forming the same: A coupling apparatus includes a lens disposed between a port, such as a photodetector, and a light source, such as a fiber. The lens is aligned such that light emitted from the light source is focused by the lens onto the port. Between the lens and light source and/or lens... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080095498 - Liquid-based optical device, method for controlling such a device and electronic device: The present invention discloses an optical device comprising a container having an inner wall, said container enclosing a first liquid (A) and an electrically susceptible second liquid (B), said liquids (A; B) being immiscible and being in contact with each other via an interface (14), said interface (14) having a... Agent: Philips Intellectual Property & Standards

20080095501 - Stackable multi-optical fiber connector modules and devices for aligning sets of the stackable multi-optical fiber connector modules and coupling optical signals between them: The connector modules that are designed and shaped to mate with one side of the receptacle of the panel have mating devices that enable them to be stacked one atop the other inside of the receptacle in a relatively rigid stack. The connector modules that are designed and shaped to... Agent: Kathy Manke Avago Technologies Limited

20080095502 - Stackable multi-optical fiber connector modules and devices for aligning sets of the stackable multi-optical fiber connector modules and coupling optical signals between them: The connector modules that are designed and shaped to mate with one side of the receptacle of the panel have mating devices that enable them to be stacked one atop the other inside of the receptacle in a relatively rigid stack. The connector modules that are designed and shaped to... Agent: Avago Technologies, Ltd. C/o Klaas, Law, O'meara & Malkin, P.C.

20080095503 - Ferrule for optical wave guide: An apparatus includes an optical wave guide and a ferrule. The optical wave guide has a prespecified horizontal-positioning surface and a prespecified vertical-positioning surface. The ferrule is to precisely couple with the optical wave guide. The ferrule defines a first datum plane mating with the prespecified vertical-positioning surface of the... Agent: Law Offices Of Michael Dryja

20080095505 - Photoelectric coupling assembly and manufacturing method thereof: A photoelectric coupling assembly and manufacturing method thereof enabling a three dimensional electrical wiring pattern is provided. The assembly includes a photoelectric conversion unit equipped with a photoelectric conversion element and a molded article. The molded article has a hole configured and arranged to have an optical fiber inserted there-through... Agent: GlobalIPCounselors, LLP

20080095506 - multi-optical fiber connector module for use with a transceiver module and method for coupling optical signals between the transceiver module and multiple optical fibers: A multi-fiber connector module for optical communications is provided that receives collimated beams of light from a transceiver module and focuses the collimated beams to respective focal points that coincide with the ends of respective transmit fibers. Because the inputs to the connector module are collimated light beams, movements of... Agent: Kathy Manke Avago Technologies Limited

20080095487 - Systems and methods for polarization mode dispersion mitigation: In one exemplary embodiment, a method comprises transmitting an optical signal via the optical line, measuring a relative change in spectral intensity of the optical signal near a clock frequency (or half of that frequency) while varying a polarization of the optical signal between a first state of polarization and... Agent: Fulbright & Jaworski L.l.p

20080095489 - Single mode (sm) fiber optical reader system and method for interrogating resonant waveguide-grating sensor (s): An optical reader system is described herein which has a single mode (SM) optical fiber launch/receive system that uses one or more SM optical fibers to interrogate a biosensor and does not use multimode (MM) optical fibers to interrogate the biosensor. The use of the SM optical fiber launch/receive system... Agent: Corning Incorporated

20080095488 - Substrates for performing analytical reactions: Substrates, including zero mode waveguide substrates that have been fabricated to provide additional functional elements and/or components including increased volumes for positioning of active surfaces and/or components for the mitigation of negative electrochemical properties of the underlying substrates.... Agent: Morgan, Lewis & Bockius LLP (sf)

20080095493 - Plasmon gate: A variety of structures, methods, systems, and configurations can support plasmons for logic.... Agent: Searete LLC Clarence T. Tegreene

20080095499 - Submount assembly and method of preparing optical module: The present invention relates to a submount on which at least one optical component is mounted. The submount has a mounted portion that is mounted onto a substrate or base, and a protruding portion that protrudes out from the substrate or the base when the mounted portion is mounted to... Agent: Sughrue Mion, PLLC

20080095500 - Downhole optic fiber wet connect system and method: A downhole optic fiber wet-connect system includes first and second matable portions of a tool body; first and second matable portions of a connector. Further included is a first magnet associated with one of the first and second matable portions and a second magnet associated with the other of the... Agent: Cantor Colburn, LLP

20080095504 - Optical connector component and optical connector using the same: To provide a fusion-spliced optical connector capable of easily performing a fusion-splicing operation at an actual site in a short time, without need to perform additional special operations. An optical connector component is configured to attach a short-length optical fiber to a ferrule including a capillary and a flange. The... Agent: Carlson, Gaskey & Olds, P.C.

20080095507 - Environmentally robust liquid crystal polymer coated optical fiber cable and its use in hermetic packaging: The invention relates to high-strength, abrasion-resistant optical fiber cable having a supplemental layer consisting essentially of a liquid crystal polymer (LCP) to enhance the cable's tensile strength and hermetically seal it, and an outermost encasing layer to protect the LCP supplemental layer from damage that could otherwise diminish the tensile... Agent: Francis J. Caufield

20080095508 - Low noise high strength optical fiber cables: A method includes incorporating an optical fiber into a buffer tube, wherein the buffer tube has a first length. The buffer tube contains the optical fiber and a filler compound to create a buffer tube assembly. The buffer tube assembly is heated to an elevated temperature for a period of... Agent: Mark S. Peloquin Peloquin, PLLC

20080095509 - Periodically poled optical crystals and process for the production thereof: Periodically poled crystals and a hydrothermal growth method for making such are disclosed. Electronically periodically poled crystals are employed as seed crystals in a hydrothermal growth process in order to produce novel crystals having deep ferroelectric domains.... Agent: Leigh P. Gregory

20080095510 - Fiber tray: A fiber tray is provided for installing fiber optic cable and other types of cable that are vulnerable to performance losses if a certain minimum bend radius is not maintained. The fiber tray allows a user to create a subassembly that maintains bend radius control while easing assembly. The construction... Agent: Kurt J. Fugman Greenlee Textron Inc

20080095511 - Retro-reflective type light pipe, illumination device including the same and projection display including the illumination device: A retro-reflect type light pipe, an illumination device including the same, and a projection display including the illumination device are provided. The retro-reflective type light pipe includes an incident portion through which light is incident, a guide portion which guides the incident light such that the incident light propagates internally... Agent: Sughrue Mion, PLLC

20080089635 - Single analyte molecule detection by fibre fluorescemce probe: An apparatus for single analyte molecule detection includes: a light source (20) for generating excitation light; a dichroic mirror (22) disposed on a first path of excitation light generated by the light source, wherein the mirror directs excitation light into a fiber aligner (30); an optical transducer coupled to the... Agent: Joyce Von Natzmer Pequignot + Myers LLC

20080089640 - Photonic-based interconnects for interconnecting multiple integrated circuits: Various embodiments of the present invention are directed to photonic-based interconnects for transmitting data encoded in electromagnetic signals between electronic mosaics. In one embodiment of the present invention, a photonic-based interconnect comprises a first photonic node coupled to a second photonic node via a waveguide. The first photonic node is... Agent: Hewlett Packard Company

20080089642 - Photonic crystal sensor for small volume sensing: Photonic crystal apparatus and a method for fabricating a photonic crystal apparatus. The photonic crystal apparatus includes a photonic crystal having a dielectric body formed of a first dielectric material having relatively high index of refraction, and a periodic lattice in the dielectric body formed of a second dielectric material... Agent: Agilent Technologies Inc.

20080089643 - Semiconductor laser module: The object of the present invention is to provide a semiconductor laser module capable of reducing the burdens for the arrangement of the optical system than the conventional one. The semiconductor laser module comprises: a semiconductor laser 1 for emitting, as a transmitted light, a light with a wavelength within... Agent: Nixon & Vanderhye, PC

20080089645 - Tunable dispersion compensation: Dispersion compensation for an optical signal having a first frequency range is described. The optical signal is applied to a dispersion compensating material having a negatively refracting behavior within the first frequency range. The dispersion compensating material is tuned by application of a control signal that varies at least one... Agent: Hewlett Packard Company

20080089648 - Optical fiber, maker groove forming device and method and optical fiber device: Marker grooves of an optical fiber are formed by a marker groove forming device including at least, on a substrate, a fiber guide and optical fiber pressing springs formed on a side wall surface in the fiber guide. The optical fiber pressing springs include edges contacted and pressed to the... Agent: Gallagher & Lathrop, A Professional Corporation

20080089649 - Fiber optic connector release mechanism: A fiber optical connector release mechanism is disclosed. The fiber optical connector is incorporated in a cage assembly through a transceiver module. The front end of the transceiver module is disposed with a handle and a bail which is rotated to operate the release mechanism such that a pair of... Agent: Troxell Law Office PLLC

20080089651 - Connector assembly having multi-fiber ferrule with force centering: A fiber optic connector assembly comprising a connector housing, at least one multi-fiber ferrule maintained within the connector housing, the at least one multi-fiber ferrule defining a front end for presenting at least one optical fiber for optical connection with at least one other mating ferrule and a rear end... Agent: Corning Cable Systems LLC

20080089633 - Low loss bridge electrode with rounded corners for electro-optic modulators: An electro-optic modulator having a substrate, one or more optical waveguides, at least one active electrode formed on the substrate and aligned over the optical waveguide, the active electrode operating to induce a refractive index change in the optical waveguide. The active electrode has a lower surface arranged facing the... Agent: Naval Research Laboratory Associate Counsel (patents)

20080089634 - Segmented optical modulator: An optical modulator is formed to include an adjustable drive arrangement for dynamically adjusting the effective length of the optical signals path(s) within the modulator. Each modulator arm is partitioned into a plurality of segments, with each segment coupled to a separate electrical signal driver. Therefore, the effective length of... Agent: Wendy W. Koba, Esq.

20080089636 - Array temperature sensing method and system: Methods and apparatus enable monitoring conditions in a well-bore using multiple cane-based sensors. The apparatus includes an array of cane-based Bragg grating sensors located in a single conduit for use in the well-bore. For some embodiments, each sensor is located at a different linear location along the conduit allowing for... Agent: Patterson & Sheridan, L.L.P.

20080089637 - Polymide substrate bonded to other substrate: Polyimide substrates, and polymer laminates for optical and electronic applications are described. Single or multi-layer waveguide structures are deposited on the polyimide substrates. Laminates including polymer or a hybrid organic/inorganic waveguiding film can be deposited on a polished polyimide substrate. The laminate can also include piezoelectric and metallic layers. Micromachined... Agent: John Farah

20080089638 - Optical switch and method of controlling optical switch: An optical switch of the present invention includes at least one input optical fiber, output optical fibers, at least one movable mirror for directing a light beam from the input optical fiber selectively to one of the output optical fibers, and at least one shutter for appropriately intercepting the light... Agent: Scully, Scott, Murphy & Presser

20080089639 - Photonic band gap router: An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to selectively route a signal from the input wave guide to one or more of the output wave guides.... Agent: Searete LLC Clarence T. Tegreene

20080089641 - Optoelectronic lateral scanner and optical probe with distal rotating deflector: A forward looking optical fiber probe includes an optoelectronic lateral scanner that provides circular scanning using a single pass-through optical motor and a single rotating deflector. The optical fiber is kept stationary while circular scanning is provided by an optically transparent rotating deflector intersected by the optical radiation. The arrangement... Agent: Tucker Ellis & West LLP

20080089644 - Optical fiber for out-coupling optical signal and apparatus for detecting optical signal using the same optical fiber: Provided are an optical fiber, which has an out-coupling characteristic of high coupling efficiency and is advantageous in terms of size reduction, and an optical signal detecting apparatus, which has a high coupling rate and high degree of integration, using the optical fiber. The optical signal out-coupling optical fiber includes:... Agent: Cantor Colburn, LLP

20080089646 - Arrayed waveguide grating device: A grating device has a waveguide array cyclically arranged. A horned waveguide is used in a star coupler of the grating device. An optical signal is divided into streams. The streams are slanted from original central axes. Or, a waveguide having an asymmetrical structure is used. Thus, a flat-top pass-band... Agent: Troxell Law Office PLLC

20080089647 - Resonator for thermo optic device: A resonator for thermo optic devices is formed in the same process steps as a waveguide and is formed in a depression of a lower cladding while the waveguide is formed on a surface of the lower cladding. Since upper surfaces of the resonator and waveguide are substantially coplanar, the... Agent: Schwegman, Lundberg & Woessner/micron

20080089650 - Fiber optic connector: A fiber optic connector for mounting to a cable having a plurality of optical fibers and optically connecting the optical fibers to mating optical fibers, wherein the optical fibers and the mating optical fibers have termini mounted to respective ends thereof. The connector comprises a generally cylindrical plug body, a... Agent: Howison & Arnott, L.l.p

20080089652 - Overmold zip strip: A telecommunications cable includes a distribution cable, a tether branching from the distribution cable at the mid-span breakout location, an enclosure that surrounds the breakout location, and an access device including a ripcord installed on the enclosure. Typically, the first and second ends of the ripcord are arranged adjacent the... Agent: Merchant & Gould PC

20080089653 - Image processing using multiple image devices: An apparatus and a method for operating the same. The apparatus includes N light guide portions. Each light guide portion of the N light guide portions includes a first light guide end and a second light guide end. If an image enters the N light guide portions through the N... Agent: Schmeiser, Olsen & Watts

20080089654 - Light pipe having an improved structure of prisms: The present invention is directed to a light pipe having an improved structure of prisms. According to one embodiment of the present invention, a hollow light pipe comprises an inner-surface including a linear array of prisms; and a substantially smooth outer-surface, wherein a pitch of prisms in a first region... Agent: Birch Stewart Kolasch & Birch

20080089655 - Fiber optic racksaver: A series of racksaver components can be used to contain and protect runs of fiber optic cables and/or jumpers. Racksaver components can interconnect with pre-established and dedicated fiber ironwork racking and fiber raceway/fiber guide with no need for additional raceway/fiber guide, eliminating the need for additional supports, bracing, and ironwork... Agent: Stallman & Pollock LLP

20080089656 - Release latch for pre-terminated cassette: A release latch for a pre-terminated cassette is described. The pre-terminated cassette includes a release latch to allow removal of the pre-terminated cassette from a patch panel, where the patch panel includes a retaining feature for retaining the pre-terminated cassette. The release latch includes a cantilever beam located on the... Agent: Panduit Corp.

20080085076 - Optical interconnection module: An optical interconnection module includes at least one optoelectronic element, at least one substrate, and at least one optical coupling element. A plurality of matching elements is formed on one side of the optical coupling element opposite to the optoelectronic element and the substrate. A plurality of alignment elements is... Agent: Birch Stewart Kolasch & Birch

20080085075 - Optical semiconductor device: Since a ridge-type optical waveguide generally has not strong light confinement, when it is compared with a strip-type optical waveguide, an optical waveguide loss is increased when the optical waveguide is bent. Accordingly, it is desirable to decrease an optical waveguide loss at a bent potion of the waveguide. An... Agent: Sonnenschein Nath & Rosenthal LLP

20080085077 - Optical communication lens and tube body constituting optical element module: An optical communication lens arranged between an optical element and an optical fiber terminal includes a first lens part having an aspherical convex shape facing the optical element, a second lens part having an aspherical convex shape facing the optical fiber terminal, and an intermediate part integrally formed with the... Agent: Sughrue-265550

20080085078 - Managing backreflection: In one example, an optical device includes a body having a first surface and a second surface. At least a portion of the body is formed from a material that is transmissible to light. The body is configured to be positioned in an optical sub-assembly along an axis defined between... Agent: Workman Nydegger

20080085080 - Fiber optic device for measuring a parameter of interest: An optical fiber (100) utilized as a sensor for measuring a parameter of interest 122 such as temperature, strain, photonic energy intensity, electric field intensity and magnetic field intensity is provided. A first optical cladding layer (104) is disposed on an optically transmissive core (102) that includes one or more... Agent: Harris Corporation C/o Darby & Darby Pc

20080085079 - Method of filtering optical signals with a capillary waveguide tunable optical device: A method of filtering optical signals (300) utilizing an optical fiber (100A-100D). The method of filtering optical signals (300) includes the steps (304) selecting an optical fiber (100A-100D) coupled to a source of optical signals, (308) disposing a core (102) in the bore (103) of the optical fiber (100A-100D) formed... Agent: Harris Corporation C/o Darby & Darby Pc

20080085081 - Optical planar wavelength selective filter and method of manufacture: An optical planar wavelength selective filter is formed on a printed circuit substrate. Low optical loss polymers are used to make a layered structure that contains waveguides and free travel zones. A diffraction grating is strategically placed on the printed circuit substrate so that light from one waveguide is diffracted... Agent: Motorola, Inc.

20080085082 - Fiber-optical plug as well as a single and double coupler for receiving such a plug: The invention relates to a connector for creating an optical waveguide connector-in connection for an optical waveguide cable containing an optical waveguide, said connector comprising a housing, a ferrule holder arranged in the housing, and a locking device arranged outside the housing, on a narrow side thereof. The inventive connector... Agent: Collard & Roe, P.c.

20080085084 - Air cavity plastic package for high frequency optical devices: The present invention generally relates to an air cavity plastic package for a high frequency optical device. In one aspect, a module package for a high frequency optoelectronic device is provided. The module package includes an upper plastic housing having an upper cavity formed therein and a lower plastic housing... Agent: Patterson & Sheridan, LLP

20080085073 - Dynamic optical waveguide sensor: Methods and apparatuses that sense physical parameters, such as pressure and strain, using optical waveguide sensors are described. A light source emits light at a predetermined wavelength along an optical waveguide having a fiber Bragg grating optical sensing element. That sensing element reflects light in accord with a sloped -shape... Agent: William B. Patterson Moser, Patterson & Sheridan, L.l.p.

20080085074 - Optical pressure sensor: The present invention aims to provide an optical pressure sensor capable of detecting a more minute pressure change. A base film is formed with a through hole passing first and second surfaces, an optical fiber is fixed to the base film at a region other than the FBG portion such... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080085083 - Method of assembling optoelectronic devices and an optoelectronic device assembled according to this method: A method of assembling an optical device comprising an optical ferrule (1) is provided, according to which said one optical ferrule (1) is secured to a first substrate (3) so as to form an optical subassembly (13); the method further comprises providing a second substrate (9) comprising a main surface... Agent: Greenberg Traurig LLP (la)

20080085085 - Methods for splicing optical fibers using an optical fiber repair apparatus with adjustable guide member: Methods for splicing optical fibers include coupling a first optical fiber cable to a longitudinally extending closure frame and coupling a second optical fiber cable to an adjustable guide member on the closure frame. The adjustable guide member is moved toward the first optical fiber cable to provide a distance... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20080085087 - Capillary waveguide tunable optical device: An optical fiber (100A-100D) is provided with a cylindrical core (102) and a first optical cladding layer (104). The core (102) is formed of a core material (105) that is optically transmissive. The core material (105) has a core index of refraction that is continuously variable over a predetermined range... Agent: Harris Corporation C/o Darby & Darby Pc

20080085086 - Optical fiber with quantum dots: Holey optical fibers (e.g. photonic fibers, random-hole fibers) are fabricated with quantum dots disposed in the holes. The quantum dots can provide light amplification and sensing functions, for example. When used for sensing, the dots will experience altered optical properties (e.g. altered fluorescence or absorption wavelength) in response to certain... Agent: Whitham, Curtis & Christofferson & Cook, P.c.

20080085088 - Multiple quantum dot waveguides: The present invention relates to an assembly of multiple waveguides which includes a substrate and a plurality of waveguides positioned on said substrate at locations effective to suppress cross-talk between different waveguides. The plurality of waveguides each comprise an elongate array of quantum dots extending between sets of first and... Agent: Nixon Peabody LLP - Patent Group

20080085089 - Wafer scale method of manufacturing optical waveguide devices and the waveguide devices made thereby: The invention relates to a wafer scale process for the manufacture of optical waveguide devices, and particularly for the manufacture of ridge waveguide devices, and the improved waveguides made thereby. The present invention has found a process for achieving sub-micron control of an optical waveguiding layer thickness by providing a... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.a.

20080085090 - Crimp and crimp mechanism for fiber optic connector: An improved mechanical crimp provides increased fiber retention, while reducing the force required to form the crimp so that the crimp can be formed using a compact crimp mechanism disposed on a handheld installation tool. The crimp includes a deformable crimp tube and an optical fiber disposed within the crimp... Agent: Corning Cable Systems Llc

20080085091 - Systems and methods for securing a tether to a distribution cable: A securement system includes at least one retention arrangement securing a tether to a distribution cable; and a release device secured to the distribution cable. The release device extends along at least a portion of the length of tether. Pulling the release device away from the distribution cable disengages the... Agent: Merchant & Gould Pc

20080085093 - Cable management drawer with access panel: A cable management panel including a sliding drawer. The drawer including a bottom tray that pivots to provide access to cable management devices mounted on the tray. The drawer including a connection arrangement that locks the tray in both of a non-pivoted position and a pivoted position.... Agent: Merchant & Gould Pc

20080085094 - Cable management drawer with access panel: A cable management panel including a sliding drawer. The drawer including a bottom tray that pivots to provide access to cable management devices mounted on the tray. The drawer including a connection arrangement that locks the tray in both of a non-pivoted position and a pivoted position.... Agent: Merchant & Gould Pc

20080085092 - Slide arrangement for cable drawer: A drawer slide having first and second outer rails interconnected to center rails; each of the center rails interconnected to a hub rail. The drawer slide is configured for use with a cable management panel having a drawer and a chassis. The drawer slide can be mounted to the drawer... Agent: Merchant & Gould Pc

20080080803 - Silicon semiconductor based high-speed ring optical modulator: Provided is a high-speed ring optical modulator based on a silicon semiconductor, having increased optical modulation speed. The high-speed ring optical modulator includes a ring optical waveguide including a portion in which the refractive index varies, that is, a refractive index variation portion, and an optical waveguide having a constant... Agent: Ladas & Parry LLP

20080080804 - Tunable waveguide bragg grating device: Provided is a tunable waveguide Bragg grating device, which includes: a waveguide through which incident light can travel; a Bragg grating formed in at least one region of the waveguide; and at least one thermal tuning unit formed at a position displaced from the central line of a waveguide core... Agent: Rabin & Berdo, PC

20080080805 - Compensating method and compensator of first-order polarization mode dispersion, and optical transmission system using same: In a PMD compensator of the present invention, a signal light input to an input terminal is supplied to a polarizer via a polarization controller; a part of polarized light transmitted through the polarizer is branched by an optical coupler as a monitor light; the monitor light is converted into... Agent: Staas & Halsey LLP

20080080807 - Opto-electronic connector module and opto-electronic communication module having the same: An opto-electronic connector module includes an optical waveguide portion including an optical waveguide in which an optical signal is transmitted, and a connector portion coupled to the optical waveguide portion, fixing the optical waveguide portion on a PCB on which a semiconductor chip portion having an opto-electronic device and a... Agent: Rabin & Berdo, PC

20080080810 - Compact wavelength-selective optical crossconnect: A system and method of optically routing wavelength channels from within a plurality of optical inputs to any of a plurality of optical outputs. An optical wavelength-selective cross connect (WSXC) switch is described with a first stage of wavelength division multiplexing (WDM) routers which support an optical input and a... Agent: John P. O'banion O'banion & Ritchey LLP

20080080811 - Apparatus and method for an improved lens structure for polymer wave guides which maximizes free space light coupling: A polymer waveguide assembly. The assembly includes a polymer waveguide have a plurality of waveguide cores and an associated plurality of lenses respectively. The assembly also includes a molded lens structure having a support region, a primary refractive surface and a secondary refractive lens. The polymer waveguide is positioned onto... Agent: Beyer Weaver LLP

20080080812 - Optical fiber collimator: In the optical fiber collimator according to the invention, a transparent block having a refractive index that is substantially the same as the refractive indices of the lens and optical fiber is disposed between the lens and ferrule so that the block contacts the lens, ferrule, and optical fiber. The... Agent: Barley Snyder, LLC

20080080814 - Guided-mode resonance filter and fabrication method of same: A silicon bulk-micromachining technology is used to fabricate a GMR filter by exploiting the structure of a suspended silicon nitride (SiNx) membrane on the silicon substrate. A first silicon nitride (SiNx) thin film and a second silicon nitride (SiNx) thin film are formed on opposite sides of the silicon substrate.... Agent: Kirton And Mcconkie

20080080813 - Planar bragg grating with modified reflectance spectrum: A planar photonic waveguide incorporating a Bragg grating having an asymmetric reflectance spectrum (200). In one embodiment, “red” side lobes (210) are suppressed relative to “blue” side lobes (220). In another embodiment, blue side lobes are suppressed relative to red side lobes. The waveguide has a core with dimensions which... Agent: Martin Puchert

20080080815 - Optical connector: Disclosed herein is an optical connection. In the present invention, an element wire is removably fastened to the optical connector by tightening a main wire connection member using a tightening member from a state in which a plug, a main wire aligning member, a spring, a fastening member, the main... Agent: Ipla P.A.

20080080819 - Bus system with optical fibers and electronic device having same: An exemplary bus system (50) is used to transmit data between electrical components (61, 62, 63) in an electronic device. The bus system includes a plurality of optical fibers (51), a plurality of emitters (52) and a plurality of sensors (53). The optical fibers are used to connect the electrical... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20080080808 - Integrated vertical wavelength (de)multiplexer: The invention describes an integrated-photonics arrangement, implementable in a multi-layer III-V semiconductor structure, which has a semiconductor substrate; an epitaxial semiconductor structure grown on this substrate in one growth step; a common waveguide; and a plurality of wavelength-designated waveguides; all the waveguides being formed in this epitaxial structure using conventional... Agent: Freedman & Associates

20080080809 - Semiconductor integrated circuit: A semiconductor integrated circuit according to an example of the present invention includes a chip substrate, first and second switches arranged on the chip substrate in which ON/OFF of an electrical signal path is directly controlled by an optical signal, a first light shielding layer arranged above the chip substrate,... Agent: SprinkleIPLaw Group

20080080806 - Stable center wavelength performance in non-rectilinearly shaped optical integrated circuit chip: An optical device with a non-rectilinearly shaped optical integrated circuit over a substantially flat portion of a riser, the riser also equipped with a relief structure that is in thermal contact with a stabilizing brace that is in turn connected to two portions of the non-rectilinearly shaped optical integrated circuit.... Agent: Amin, Turocy & Calvin, LLP

20080080816 - Multi-tipped optical component: An optical component has a plurality of parallel noncontiguous optical conduits of at least one protrusive phase material embedded in a recessive phase material that acts as a support structure. The optical conduits extend from a proximal surface to a distal surface of the optical component. The distal surface has... Agent: Akerman Senterfitt

20080080817 - Fiber optic drop cables and preconnectorized assemblies having toning portions: A preconnectorized outdoor cable streamlines the deployment of optical waveguides into the last mile of an optical network. The preconnectorized outdoor cable includes a cable and at least one plug connector. The plug connector is attached to a first end of the cable, thereby connectorizing at least one optical waveguide.... Agent: Corning Cable Systems LLC

20080080818 - Factory spliced cable assembly: To optically couple a tether to a ribbonized distribution cable, a cut is made in the distribution cable, exposing the ribbons inside. The correct ribbon is located and spliced to a tether. A splice protection sleeve is applied to the splice and placed into the existing cut on the cable... Agent: Merchant & Gould PC

20080080820 - Locatable dielectric optical fiber cable having easily removable locating element: An optical fiber cable having a locating element and extending from a distribution enclosure to a premise is provided. The optic fiber cable includes a core having at least one optical fiber transmission medium disposed within a tubular member that has a jacket system disposed thereabout. A longitudinally extending detectable... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20080080821 - Optical transmission element: Between an optical fiber (LF11, LFB12, LFB13) and a surrounding slot element (AH11, AH12, SB13) of an optical transmission element (OE11 to OE13) there is at least one dry and compressible fixating element (FE11 to FE13), which surrounds the optical fiber totally or partially, and which exerts a defined contact... Agent: Corning Cable Systems LLC

20080080822 - Fiber optic ribbons having one or more predetermined fracture regions: A fiber optic ribbon having one or more fracture locations for influencing the separation of the same at predetermined locations is disclosed. The fiber optic ribbon includes a plurality of optical fibers held together by a primary matrix. The primary matrix includes a first fracture region for splitting the optical... Agent: Corning Cable Systems LLC

20080080823 - Rare earth doped optical fiber: An optical fiber including: (i) a silica based, Yb doped core having a first index of refraction n1, said core comprising more than 1 wt % of Yb, said core having less than 5 dB/km loss at a wavelength situated between 1150 nm and 1350 nm and less than 20... Agent: Corning Incorporated

20080080824 - Optical waveguide device: Provided is an optical waveguide device including: a core having a stacked structure of at least three layers in which first thin films having a finite width and thickness and formed of a material having a relatively high electric conductivity and a second thin film having the same width as... Agent: Rabin & Berdo, PC

20080080826 - Distribution module for an optic fiber distribution hub: In accordance with various embodiments of the present disclosure, a distribution module for a fiber optic distribution hub is provided. The distribution module includes a plurality of service connection circuit trays structured to slidingly transition from a parked position to an extended position to allow independent access to any one... Agent: Harness, Dickey, & Pierce, P.l.c

20080080825 - Optic fiber distribution hub: In accordance with various embodiments, a fiber optic distribution hub is provided. In various implementations the fiber distribution hub includes at least one of a universal splitter holder, a distribution module including a plurality of sliding service connection circuit trays, and a distribution jumper incremental slack limiting fiber management system.... Agent: Harness, Dickey, & Pierce, P.l.c

20080080829 - Reskinnable fiber distribution hub: The housing of a telecommunications cabinet can be replaced without recabling the internal components by removing a panel arrangement from a cable access region of the cabinet to reveal an open end of the cable access region that is continuous with the open side of the cabinet. The frame is... Agent: Merchant & Gould PC

20080080828 - Slack limiting fiber management system for an optic fiber distribution hub: In accordance with various embodiments of the present disclosure, an incremental slack limiting fiber management system for reducing slack in at least one optic fiber extending between an optic splitter module and a distribution module within a fiber optic distribution hub is provided. The incremental slack limiting fiber management system... Agent: Harness, Dickey, & Pierce, P.l.c

20080080827 - Universal splitter module holder for an optic fiber distribution hub: In accordance with various embodiments, universal splitter module holder for a fiber optic distribution hub is provided. The universal hub splitter module holder is structured to retain any one of a plurality of fiber optic splitter modules within the fiber optic distribution hub. The universal splitter module holder includes a... Agent: Harness, Dickey, & Pierce, P.l.c

20080080830 - Fiber optic cable assemblies including remote tether release apparatus: A cable assembly comprising a first fiber optic cable, a second fiber optic cable attached to the first fiber optic cable, and an apparatus for remotely releasing at least a portion of the second fiber optic cable from attachment to the first fiber optic cable. A cable assembly comprising a... Agent: Corning Cable Systems LLC

20080080831 - Strain relief device for a glass fiber cable: The invention relates to a strain relief device (40) for glass fiber cables (50) having a cable jacket (56) and at least one glass fiber (57) and fibers (58) arranged between the at least one glass fiber (57) and the cable jacket (56), in which, at one end of the... Agent: Merchant & Gould PC

20080080832 - Micromechanical system containing a microfluidic lubricant channel: Embodiments of the present invention generally relate to a electromechanical device that has an improved usable lifetime due to the presence of one or more channels that contain and deliver a lubricant material that can reduce the likelihood of stiction occurring between the various moving parts of the device. Embodiments... Agent: Patterson & Sheridan, L.L.P.