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Optical waveguides

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
09/18/2014 > 63 patent applications in 33 patent subcategories.

20140270617 - Stable lithium niobate waveguide devices, and methods of making and using same: Embodiments of the present invention provide stable lithium niobate waveguide devices, and methods of making and using the same. A lithium niobate-based waveguide device may include a Z-cut lithium niobate substrate having upper and lower surfaces, an optical waveguide embedded within the lithium niobate substrate, a signal electrode disposed on... Agent: The Aerospace Corporation

20140270618 - Wavelength tunable integrated optical subassembly based on polymer technology: An optical sub assembly can include a distributed feedback (DFB) tunable laser and an optical modulator. Wavelength selection and phase adjustment portions of the DFB laser, as well as an electro-optic (EO) modulator can be formed from polymer waveguides including hyperpolarizable chromophores disposed on a single substrate.... Agent: Gigoptix, Inc.

20140270619 - Optical modulator directional measurement system: In an optical modulator directional measurement system embodiment, one or more modulation waves may be measured and directionally discriminated by measuring the modulations of one or more lightwaves. The optical modulator transmission function magnitude for a most phase-matched modulation may be substantially greater than that for other modulations. At sufficiently... Agent:

20140270622 - Material structures for front-end of the line integration of optical polarization splitters and rotators: A polarization splitter and rotator of a wafer chip, an opto-electronic device and method of use is disclosed. The first waveguide of the wafer chip is configured to receive an optical signal from an optical device and propagate a transverse electric eigenstate of the received optical signal. The second waveguide... Agent: International Business Machines Corporation

20140270620 - Modal rotation in optical waveguides: An optical waveguide structure includes a rotator having a dual-layer core. A first layer of the dual-layer core may include a tapering portion. A second layer of the dual-layer core may include a rib portion disposed on the tapering portion. The combination of the rib portion and the tapering portion... Agent: Cisco Technology, Inc.

20140270621 - Photonic multi-chip module: The subject matter disclosed herein relates to a photonic module comprising: a plurality of metal pads to receive CMOS integrated circuit (IC) chips to be mounted on a silicon-on-insulator (SOI) wafer; electrical interface circuits to receive electrical signals from the CMOS IC chips and to modify the electrical signals; optical... Agent: Apic Corporation

20140270623 - Capillary action fiber sensor: The present invention relates to optical fiber pressure sensors. In one embodiment, liquid pressure of an environment may be measured based on capillary action occurring within an optical fiber having one or more hollow columns within. In another embodiment, the change in environmental pressure may be measured based on light... Agent: Plexis Precision Inc.

20140270625 - High temperature uncooled optical probe: An optical probe includes a first end, a second end, an outer housing, an inner housing concentric with the outer housing, flow holes within the inner housing at the first end, and an optics holder within the inner housing between the flow holes and the second end. The optical probe... Agent: United Technologies Corporation

20140270624 - Method for installing a sensing cable along a pipeline: According to the present invention there is provided a method for installing a sensing cable along a pipeline, comprising the steps of, attaching one or more conduits to an outer-surface of a pipe which is to be installed in a bore hole to form a pipeline assembly; moving the pipeline... Agent: Omnisens Sa

20140270626 - Circuit board(s) employing optical interfaces optically connected to surface-accessible, planar-shaped, inter-board optical fiber traces, and related connectors, assemblies, and methods: Circuit boards employing optical interfaces optically connected to surface-accessible, planar-shaped inter-board optical fiber traces, and related connectors, assemblies, and methods are disclosed. The circuit boards include inter-board optical fiber traces optically connected to optical components interfacing optical signals to electronic signal components in the circuit board. Providing inter-board optical fiber... Agent: Corning Cable Systems LLC

20140270627 - Eo device for processing data signals: The present disclosure allows connection between optical and electrical devices at high frequencies and high bit rate. The present disclosure provides an electro-optical device that includes an optical interface for optical signal transmission and reception; an electrical interface for electrical signal transmission and reception; a data and signal unit located... Agent: Compass Electro-optical Systems Ltd.

20140270632 - Integrated circuit device packages including optical elements: Integrated circuit device packages including optical elements are provided. The integrated circuit device package may include an integrated circuit device and a conductive pad on a first surface of the integrated circuit device. The conductive pad may be electrically connected to the integrated circuit device and may be configured to... Agent: Samsung Electronics Co., Ltd.

20140270628 - Material structures for front-end of the line integration of optical polarization splitters and rotators: A polarization splitter and rotator of a wafer chip, an opto-electronic device and method of use is disclosed. The first waveguide of the wafer chip is configured to receive an optical signal from an optical device and propagate a transverse electric eigenstate of the received optical signal. The second waveguide... Agent: International Business Machines Corporation

20140270631 - Method and device for manufacturing optical transmission device, and optical transmission device: A method for manufacturing an optical transmission device, includes: arranging a plurality of optical waveguides including waveguide mirrors, a transmission-side optical module and a reception-side optical module on one side of a substrate; photographing, with a photographic device, at least one waveguide mirror, and the transmission-side optical module or the... Agent: Fujitsu Limited

20140270633 - Optical modules: Provided is an optical module. The optical module includes: an optical bench having a first trench of a first depth and a second trench of a second depth that is lower than the first depth; a lens in the first trench of the optical bench; at least one semiconductor chip... Agent: Electronics And Telecommunications Research Institute

20140270629 - Optical waveguide network of an interconnecting ic module: The subject matter disclosed herein relates to a photonic module comprising: a silicon-on-insulator (SOI) wafer; one or more photonic components on the SOI wafer; a plurality of metal pads to receive integrated circuit (IC) chips to be mounted on the SOI wafer; silicon optical waveguides to transfer optical signals among... Agent: Apic Corporation

20140270630 - Opto-electronic assembly for parallel high speed transmission: a transducer component that is mounted with the bottom side on the mounting plate below a micro-minor component that is mounted above the transducer component in such a configuration that the optical transmission path to or from each transducer is reflected at the dedicated mirror surface.... Agent: Vi Systems Gmbh

20140270634 - Multi- purpose apparatus for switching, amplifying, replicating, and monitoring optical signals on a multiplicity of optical fibers: Several useful functions that are included in many modern day fiber optical communication systems are (1) replication of an optical signal on a single optical fiber onto a multiplicity of optical fibers, (2) amplification of optical signals, and (3) sequential switching of optical signals on a large number of optical... Agent:

20140270636 - Efficient fiber usage within pre-terminated fiber devices: A pre-terminated fiber optic connector is provided for coupling electronic components and devices. A multi-fiber optical cable assembly or multi-fiber interconnection module can facilitate optical coupling while maximizing available optical path bandwidth inherent to standard connectors. In an embodiment, a “2×24/24 to 2×20/24+1×8/12” configuration can be employed.... Agent: Leviton Manufacturing Co., Inc.

20140270635 - Multi-mode interference device: A multi-mode interference (MMI) device includes a substrate layer, a core layer grown on the substrate layer for propagating an optical signal, and a cladding layer grown on the core layer for guiding the optical signal. The MMI device also includes a non-uniform pattern of patches forming a non-uniform refractive... Agent: Mitsubishi Electric Research Laboratories, Inc.

20140270637 - Dual-index optical pump stripper assembly: A light stripper assembly for dissipating a residual optical pump power carried by a pump light propagating in an optical fiber component is provided. The optical fiber component includes a pump cladding surrounded by an outer cladding, the outer cladding being removed from the optical fiber component along a lengthwise... Agent:

20140270638 - Rayleigh reflectors and applications thereof: In one aspect, optical devices and components are described herein. In some embodiments, a device comprises a substrate and a grating layer disposed on the substrate, wherein the grating layer comprises a periodic grating structure and a sublayer beneath the grating structure and adjacent the substrate. In some cases, the... Agent: Board Of Regents, The University Of Texas System

20140270639 - Optical element for mie scattering light from an optical fiber: The invention relates to an optical scattering element suitable for dispersing or scattering light transmitted by optical device by Mie scattering. The optical scattering element comprises a phase-separated or porous borosilicate glass having dispersed phase particles with a particle size of 200 to 500 nanometers or pores with a size... Agent: Schott Corporation

20140270640 - Plasmonic light collectors: An electronic device may be provided with imaging modules or communications modules. Imaging modules and communications modules may be improved with the use of plasmonic light collectors. Plasmonic light collectors exploit the interaction between incoming light and plasmons in the plasmonic light collector to redirect the path of the incoming... Agent: Aptina Imaging Corporation

20140270641 - Optical coupling element and optical fiber connector using same: An optical coupling element includes a first side surface and an upper surface. The upper surface defines a first cavity and a tapering hole which permits the insertion and precise fixing in place with adhesive of an optical fiber, without any gap or play in the attachment which would allow... Agent:

20140270643 - Method of and apparartus for inscription of fiber gratings from multiple azimuthal angles and fiber so inscribed: A method of, and apparatus for, inscribing a grating in an optical waveguide so as to reduce transverse inscription variations, are provided. The waveguide is exposed to multiple beams or interference patterns of actinic radiation from multiple azimuthal directions. The beams of actinic radiation are preferably split into a plurality... Agent: Ofs Fitel, LLC

20140270642 - Photonics grating coupler and method of manufacture: A structure for coupling an optical signal between an integrated circuit photonic structure and an external optical fiber is disclosed as in a method of formation. The coupling structure is sloped relative to a horizontal surface of the photonic structure such that light entering or leaving the photonic structure is... Agent: Micron Technology, Inc.

20140270644 - Ring combiner: A waveguide comprises an annular cross-section and a first numerical aperture (NA) at one end. The waveguide further comprises either an annular or circular cross-section at the other end, which has a second NA. The waveguide has a progressively-varying NA, which varies from the first NA (at one end) to... Agent: Ofs Fitel, LLC

20140270645 - Composite connection system: A connector mating system that can enable the coupling and decoupling of electrical or optical communications channels, while in a deep, sub-oceanic, sea-floor environments, during which time the contacting interfaces of the said channels remain fully protected from the destructive effects of the said environment. The system features a Wet-Mate... Agent:

20140270646 - Optical connector housing assembly with dual insertion and extraction options: A housing for an optical connector including a top wall, a bottom wall, a first side wall and a second side wall forming a passageway and a rear opening; a rear portion for receiving a first optical connector; a rectangular opening located on the top wall of the rear portion,... Agent: Tyco Electronics Corporation

20140270648 - Optical coupling member and optical connector using the same, and optical coupling member holding member: An optical coupling member includes an optical fiber (13), a holder (11) that holds the optical fiber inserted from an insertion hole (11a) formed at one end, and a lens such as a collimator lens (12) accommodated in an accommodation section (11c) formed at the other end of the holder... Agent: Mitsubishi Pencil Company, Limited

20140270647 - Optical fiber cable connection device and method: An optical fiber connector has, in one embodiment, a body and a light management device. The light management device is operable to manage a plurality of light beams for exchange between a plurality of sets of optical fibers.... Agent: John Mezzalingua Associates, LLC

20140270649 - Fiber optic cable strength member bracket: A bracket for securing an end of a fiber optic cable, having at least one strength member, to a termination point includes a base portion at a first end of the bracket, a retention feature at a second end of the bracket that is opposite to the first end, and... Agent:

20140270650 - Optical subassembly and method of manufacturing the same: An optical subassembly and method of manufacturing an optical subassembly are provided. One subassembly includes a base, an optical emitter attached to the base and one or more spacers attached to the base surrounding at least a portion of the optical emitter. The optical subassembly further includes a ferrule sleeve... Agent: General Electric Company

20140270651 - Multi-fiber ferrule connector: A single-piece multi-fiber ferrule interconnect assembly including a ferrule body having a main surface, a front frame, and a rear opening, wherein the front frame includes a front face and a back face; a plurality of lenses arranged to form a lens array, wherein the lenses are fabricated within the... Agent: Tyco Electronics Corporation

20140270652 - Fiber pigtail with integrated lid: A mechanism is provided for a fiber pigtail. The fiber pigtail includes a single mode fiber optic ribbon having a section of polymer ribbon removed to expose bare fibers, a fiber optic ferrule in contact with the single mode fiber optic ribbon at one distal end, and an integrated polymer... Agent: International Business Machines Corporation

20140270653 - Optical connector having stepped alignment pins: An optical connector has guide pins with stepped profiles. The connector includes a connector body, two or more optical ports, and two or more cylindrical guide pins. Each guide pin has a first portion with a first length, a second portion with a second length, and a transitional portion between... Agent: Avago Technologies GeneralIP(singapore) Pte.ltd.

20140270656 - Electronic device and optical connector: An electronic device includes a board including an electronic component, a plurality of optical interface units that include an optical element which input or output light and that are provided on the board, and a plurality of individual positioning units that position a plurality of respective optical waveguides which are... Agent: Fujitsu Limited

20140270655 - Optical connector assembly: Methods, apparatuses, and systems related to optical connector assemblies are described. In some embodiments, the connector assemblies may include an optical assembly, having an optical interconnect and an optical module, to be coupled with a host electrical connector. The connector assembly may further include springs, disposed on the optical interconnect... Agent:

20140270654 - Optical fiber assembly with replaceable connecting element: An optical fiber assembly includes two adapters and a connecting element. Each of the adapters includes a connector, a first coupling portion, and a first optical fiber connected between the connector and the first coupling portion. The connecting element includes two second coupling portions and a second optical fiber connected... Agent: Hon Hai Precision Industry Co., Ltd.

20140270657 - Method and system for providing electromagnetic interference (emi) shielding in an optical communications module: An optical communications module is provided with an EMI shielding system that comprises a resistive coating disposed on one or more inner surfaces of the module housing. The resistive coating has a thickness that is greater than or equal to one skin depth and has a resistivity that is low... Agent: Avago Technologies GeneralIP(singapore) Pte. Ltd

20140270658 - Shielded barrel: Embodiments of a barrel for use with fiber optic connections and method of manufacturing are disclose herein. In one embodiment, a barrel comprises a first portion. The first portion having a wedge protruding from a distal end of the first portion at an angle and a component cavity for receiving... Agent: Sigmapro Engineering And Manufacturing, LLC

20140270661 - Apparatus and method for absorbing laser energy that fails to couple into the core of a laser fiber, and for absorbing the energy that has been transmitted to the cladding of the laser: A fiber optic connector for coupling focused radiant energy from a laser to a fiber optic conductor includes a quartz alignment ferrule that is fused mechanically and optically to the fiber's proximal end, either by an index matching first adhesive or by heat fusing the cladding to the ferrule without... Agent:

20140270660 - Connector with electrical mode and optical mode: A connector with electrical mode and optical mode includes a housing. The housing includes an end surface and defines a receiving space, and the end surface defines a groove. The connector includes a planar light wave circuit (PLC) splitter, an optical-electrical converting unit, and an optical waveguide all received in... Agent:

20140270662 - Lens array and manufacturing method thereof: A lens array is provided with a prism adhered within a prism placement recessing section by an adhesive, wherein retention of air-bubbles in the adhesive on an optical path of light of each light-emitting element between the prism placement recessing section and the prism is prevented by a first air-bubble... Agent: Enplas Corporation

20140270659 - Optical data communication module having emi cage: An optical data communication module, such as a transceiver, transmitter or receiver, has two parallel substrates with metal layers. An opto-electronic device between the substrates is shielded against electromagnetic interference by the metal layers and conductors, such as vias, which are distributed around a periphery of the opto-electronic device and... Agent: Avago Technologies GeneralIP(singapore) Pte. Ltd.

20140270663 - Vibration damper for high power fiber optic transport cables: Embodiments of a method and apparatus for controlling the mechanical stabilization of an optical fiber are disclosed. The method may consist of placing an inflatable bladder between an optical fiber and a protective jacket. The bladder may be inflated with air, inert gas, or liquid to a desired pressure. The... Agent: Bae Systems Information And Electronic Systems Integration Inc.

20140270664 - Methods for creating a demarcation location in a structure and associated assemblies: Disclosed are methods for creating a demarcation of at least one optical fiber in a structure along with a fiber optic cable. The method may include the steps of providing at least one optical fiber having a covering, heating a portion of the covering, and deforming the covering about the... Agent: Corning Optical Communications LLC

20140270667 - Glass buffers: The present disclosure is directed to optical fibers having glass buffers. As such, some embodiments comprise an optical fiber having a core, a cladding, and a glass buffer. For some embodiments, the glass buffer has an index of refraction that is greater than the index of refraction of the cladding.... Agent: Ofs Fitel, LLC

20140270666 - Hollow core fiber with polarization dependent loss: A hollow core fiber having polarization dependent loss is provided. The hollow core fiber embedded in a cellular cladding having a plurality of cells arranged in a nominally regular cellular lattice. A pre-determined number of cells at pre-determined locations within a cellular cladding are substituted by leakage cells that differ... Agent:

20140270665 - Large core multimode optical fibers: The specification describes multimode optical fibers produced by improved methods that reduce the manufacturing cost. These methods may also be more efficient in terms of power loss. In one of the embodiments, the improved design has a large core of pure silica derived from a rod-in-tube method. In the embodiment,... Agent: Ofs Fitel, LLC

20140270669 - Optical fiber sheet: An optical fiber sheet 10 includes an optical fiber 11 and a wire 12 that are arranged between a first sheet and a second sheet. The optical fiber 11 is a multi-mode optical fiber having a core of silica glass to which a refractive index adjuster is added, has a... Agent:

20140270668 - Removing unwanted light from high-power optical systems: The present disclosure is directed to removing unabsorbed cladding light in high-power optical systems. Some embodiments comprise a glass block with a refractive index that is greater than a refractive index of a fiber cladding, and a metal housing that is located external to the glass block. The glass block... Agent: Ofs Fitel, LLC

20140270670 - Bandwidth-maintaining multimode optical fibers: The specification describes multimode optical fibers with specific design parameters, i.e., controlled refractive index design ratios and dimensions, which render the optical fibers largely immune to moderately severe bends. The modal structure in the optical fibers is also largely unaffected by bending, thus leaving the optical fiber bandwidth essentially unimpaired.... Agent:

20140270671 - Confocal and concave 1d photonic crystal resonant cavities with ultra-low mode volume: A 1D nanobeam photonic crystal cavity is provided that includes a substrate, where the substrate includes a dielectric medium, and a series of cutout features in the substrate, where each cutout feature includes a first curved surface and a second curved surface, where the first curved surface and the second... Agent:

20140270672 - Optical waveguide body: An optical waveguide body includes a first layer of optically transmissive material and a second layer of optically transmissive material in contact with the first layer. At least one of the first and second layers is tapered and the first layer has a first index of refraction and the second... Agent:

20140270673 - Cable roller: A cable roller for use in positioning a cable relative to a cable tray or relative to a ceiling of a building includes a mounting channel, a support assembly attached thereto which is moveable relative to the mounting channel, and at least one roller attached to the support assembly for... Agent: Greenlee Textron Inc.

20140270675 - Flexible switch pack: A switch pack holds rows and columns of connector plugs and permits collective coupling of the plugs into ports. The switch pack includes a housing having a front face with front openings and a rear face with rear openings. An internal frame forms channels between the front openings and the... Agent: Commscope, Inc. Of North Carolina

20140270676 - Modular high density telecommunications frame and chassis system: A fiber optic telecommunications device includes a frame defining a right vertical support and a left vertical support. A chassis is mounted to the right and left vertical supports, wherein the chassis is configured to pivot about a pivot axis that is defined by one of the right and left... Agent: Adc Telecommunications, Inc.

20140270674 - Pressure-balanced subsea enclosure with elastomeric fill material: A pressure-balanced enclosure for subsea use, and in particular for use as a submersible junction box in which subsea cables can be joined. The apparatus maintains a balanced pressure within the termination chamber; it is field installable, testable, and repairable. The termination chamber is not oil-filled; instead, it is substantially... Agent: Teledyne Instruments, Inc.

20140270677 - Anchoring cables to rack with self-locking cable clamp arrangements: A self-locking cable clamp arrangement includes a bracket and a flexible tab disposed on the bracket. The bracket has a cable mounting region, a first engagement region, and a support region disposed therebetween. A cable can be clamped to the cable mounting region. The support region defining two members spaced... Agent: Adc Telecommunications, Inc.

20140270678 - Back post for optical fiber connector: A back post for an optical fiber connector according to the present disclosure is made from a main material mixed with an additive material. The main material is selected from the group consisting of poly ether ether ketone (PEEK), polyimide (PI), polyether imide (PEI) and polyether sulfone (PES) and the... Agent:

20140270679 - Dust cover design for optical transceiver: A dust cover includes a frame shaped to circumscribe an end of a first connector configured to receive a second connector. The connectors can transmit a signal when coupled. A plurality of segments is rotatably coupled to the frame. The frame includes an opening sized to accommodate the second connector.... Agent: International Business Machines Corporation

09/11/2014 > 54 patent applications in 22 patent subcategories.

20140254972 - Optical waveguide element and method of manufacturing the same: An object of the present invention is to provide a manufacturing method of an optical waveguide element whose DC drift is suppressed, and to provide a manufacturing method of an optical waveguide element, capable of adjusting DC drift in the middle of manufacturing processes so as to improve a fabrication... Agent: Sumitomo Osaka Cement Co., Ltd.

20140254974 - Optical modulator: A Mach-Zehnder optical modulator includes a join-and-branch portion; two light wave guides connected with the join-and-branch portion; an output light waveguide connected with the join-and-branch portion; arm electrodes respectively provided on the two light waveguides; and a ground electrode that is provided at an edge of at least one of... Agent: Sumitomo Electric Industries, Ltd.

20140254973 - Optical module: An optical modulator includes: laser diodes disposed in parallel with each other, each laser diode having a different lasing wavelength; optical waveguides disposed in parallel with each other with first ends facing the laser diodes; an optical isolator inserted between the laser diodes and the optical waveguides and attenuating return... Agent: Mitsubishi Electric Corporation

20140254975 - Systems and methods for minimally-invasive optical-acoustic imaging: An imaging guidewire can include one or more optical fibers communicating light along the guidewire. At or near its distal end, one or more blazed or other fiber Bragg gratings (FBGs) directs light to a photoacoustic transducer material that provides ultrasonic imaging energy. Returned ultrasound is sensed by an FBG... Agent: Vascular Imaging Corporation

20140254976 - Twist septum polarization rotator: A waveguide polarization rotator is provided as unitary body with a first bore; a diametral first septum of the unitary body extending between sidewalls of the first bore. The first septum is twisted between a first end of the first septum and a second end of the first septum. The... Agent: Andrew LLC

20140254977 - Optical sensor and method: An optical sensor has a waveguide having a core, a cladding having an outer surface and a long period fiber grating. The core, the cladding and the long period fiber grating collectively provide at least two resonant wavelengths. The optical sensor also has binding sites on the outer surface of... Agent:

20140254980 - Optical communication device: An optical communication device includes a circuit board, a light-emitting element, a light-receiving element, and a planar light guide circuit. The circuit board includes an upper mounting surface. The upper mounting surface defines a groove. The groove includes a first inclined surface and a second inclined surface. The first and... Agent: Hon Hai Precision Industry Co., Ltd.

20140254978 - Simultaneous processing of multiple photonic device layers: Embodiments of the invention describe photonic integrated circuits (PICs) formed using simultaneous fabrication operations performed on photonic device layers. Each device of a PIC may be made from different optimized materials by growing the materials separately, cutting pieces of the different materials and bonding these pieces to a shared wafer.... Agent:

20140254979 - Waveguide and semiconductor packaging: A method and apparatus for integrating individual III-V MMICs into a micromachined waveguide package is disclosed. MMICs are screened prior to integration, allowing only known-good die to be integrated, leading to increased yield. The method and apparatus are used to implement a micro-integrated Focal Plane Array (mFPA) technology used for... Agent: Northrop Grumman Systems Corporation

20140254981 - Graphene plasmonic communication link: A signal transfer link includes a first plasmonic coupler, and a second plasmonic coupler spaced apart from the first plasmonic coupler to form a gap. An insulator layer is formed over end portions of the first and second plasmonic couplers and in and over the gap. A plasmonic conductive layer... Agent: International Business Machines Corporation

20140254982 - Multicast optical switch: Described herein is an optical switch (1), including 4 common port optical fibers (e.g. 3), disposed in a vertical y dimension, a wavelength independent beam splitter (5), a switching unit (7) and 16 add/drop optical fibers (e.g. 9), disposed in a horizontal x dimension. In one direction of operation, the... Agent: Finisar Corporation

20140254983 - Sealing component, optical device sealing structure, method for producing sealing component, and method for producing optical device sealing structure: The sealing component 1 of the invention is provided with a metallic housing 19 that comprises a base part 19a, a side wall 19b connected to the base part 19a and an opening portion 19c facing to the base part 19a, and a metallic lid 20 to cover the opening... Agent: Sumitomo Electric Industries, Ltd.

20140254984 - Optical coupling system having an optical coupler and a light-transmissive external medium and also production and use of such a system: An optical coupling system having an optical coupler and a light-transmissive external medium, the optical coupler comprising a light guide which extends parallel to a main plane of the optical coupler, a mirror surface which is inclined relative to the main plane by an angle of inclination and an outer... Agent: Fraunhofer-gesellschaft Zur F&#xf6 Rderung Der Angewandten Forschung E.v.

20140254985 - Optical connector and method for assembling same: An optical connector includes a substrate, an optical emitter, an optical receiver, a support member, and a lens member. The optical emitter and the optical receiver are electrically connected to the substrate. The support member includes a lower end connected to the substrate and an upper end away from the... Agent: Hon Hai Precision Industry Co., Ltd.

20140254986 - Passive distribution system using fiber indexing: The present disclosure relates to systems and method for deploying a fiber optic network. Distribution devices are used to index fibers within the system to ensure that live fibers are provided at output locations throughout the system. In an example, fibers can be indexed in multiple directions within the system.... Agent: Adc Telecommunications, Inc.

20140254987 - Reversible fiber optic stub clamping mechanism: A fiber optic stub fiber connector for reversibly and nondestructively terminating an inserted field fiber having a buffer over at least a portion thereof. The connector includes a housing and a ferrule including a stub fiber disposed within and extending from a bore through the ferrule. The ferrule is generally... Agent: Panduit Corp.

20140254988 - Fiber optic connector: A connector includes a ferrule assembly having a ferrule, a hub and a spring, the ferrule having a distal face accessible at a distal end of the connector housing, the ferrule being movable in a proximal direction relative to the connector housing. The distal and proximal positions are separated by... Agent: Adc Telecommunications, Inc.

20140254989 - Optical fiber cable having connector and assembling method thereof: An optical fiber cable having an optical connector, includes: an optical connector assembled on a tip portion of an optical fiber cable, including a ferrule in which an optical fiber protruding from a terminal of the optical fiber cable is inserted and fixed; and a reinforced portion formed by heating... Agent: Fujikura, Ltd.

20140254990 - Optical connector and method of forming plug using the optical connector: An optical fiber insertion unit includes a ferrule; a lens sleeve having a lens at a front end portion thereof and a ferrule insertion opening portion at a rear end portion thereof for inserting the ferrule; and a refractive index matching portion disposed between the ferrule and the lens sleeve.... Agent: Hirose Electric Co., Ltd.

20140254991 - Isolator: An isolator comprising: a first semiconductor substrate including a first electrical circuit; a second semiconductor substrate including a second electrical circuit; and at least one optical waveguide for data exchange between the first and second electrical circuits.... Agent: Analog Devices Technology

20140254992 - Flexible circuit board: A flexible circuit board includes: an insulative substrate having a first surface and a second surface opposite to the first surface; a microstrip line having a first signal line formed on the first surface and a first ground pattern formed on the second surface and located in an area opposite... Agent:

20140254993 - Latch mechanism for communication module: Some embodiments include a latch mechanism and an optoelectronic module that includes the latch mechanism. The latch mechanism may include a driver, a follower, a pivot member, and a cam member. The driver may be configured to rotate relative to a housing of the optoelectronic module about an axis of... Agent: Finisar Corporation

20140254995 - Cell tower cable assembly and system: A cable assembly for cell tower communications comprises a plurality of optical fiber cable units disposed within a unitary cable assembly jacket that surrounds the optical fiber cable units. The cable assembly jacket has a plurality of indentations disposed between adjacent optical fiber cable units that allow an installer to... Agent: 3m Innovative Properties Company

20140254994 - Optical fiber composite cable: The present invention relates to an optical fiber composite cable. The optical fiber composite cable includes at least one power line to transmit power and an optical cable to monitor a state of the power lines, and the optical cable comprises optical fibers, tubes to accommodate the optical fibers, and... Agent: Ls Cable & System Ltd.

20140254996 - Grooved optical fiber jacket: An optical fiber is disclosed which includes a protective outer jacket. The outer protective jacket is grooved to include one or more peripheral grooves formed into the jacket. In operation of a laser device, laser energy passes through the optical fiber to the distal tip of the optical fiber. As... Agent: Lumenis Ltd.

20140254997 - Optical fiber preform, method for producing optical fiber, and optical fiber: An easily producible optical fiber preform which is drawn to an optical fiber having a core containing a sufficient concentration of alkali metal is provided. An optical fiber preform 10 is composed of silica-based glass and includes a core portion 20 and a cladding portion 30. The core portion 20... Agent:

20140254998 - Semiconductor optical waveguide device and method for manufacturing the same: A semiconductor optical waveguide device includes a substrate having a first area and a second area, and first, second, and semiconductor mesas on the substrate. The first semiconductor mesa includes a cladding layer and a first mesa portion on the second area, the first mesa portion including first and second... Agent: Sumitomo Electric Industries, Ltd.

09/04/2014 > 11 patent applications in 9 patent subcategories.
08/28/2014 > 38 patent applications in 26 patent subcategories.

20140241656 - Electro-optic modulator: An electro-optic modulator for the modulation of optical radiation of a predetermined wavelength, the electro-optic modulator having at least one optical resonator in which a standing optical wave can be formed for the predetermined wavelength. In the resonator, at least two doped semiconductor sections—as seen in the longitudinal direction of... Agent: Technische Universitat Berlin Ihp Gmbh-innovations For High

20140241658 - Electro-optic silicon modulator with longitudinally nonuniform modulation: A device, such as a silicon modulator, in accordance with the present disclosure employs PN diodes without sacrificing the modulation depth, while achieving lower loss and better impedance matching to 50-Ohm drivers. In one embodiment, the device includes an input waveguide, an input optical splitter coupled to the input waveguide,... Agent: Sifotonics Technologies Co., Ltd.

20140241659 - Optical modulator module and semiconductor optical modulator: A semiconductor optical modulator includes optical input and output portions; a plurality of Mach-Zehnder modulators including first and second waveguide arms having first and second modulation electrodes, respectively; an optical demultiplexer coupled between the optical input portion and the Mach-Zehnder modulator through an optical waveguide; an optical multiplexer coupled between... Agent: Sumitomo Electric Industries, Ltd.

20140241657 - Optical modulator with automatic bias correction: An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical... Agent: Stmicroelectronics Sa

20140241660 - Optical closed loop microresonator and thyristor memory device: A monolithic semiconductor device that includes a waveguide structure optically coupled to an optical resonator. The optical resonator is adapted to process light at a predetermined wavelength. The optical resonator includes a closed loop waveguide having a plurality of straight sections that are optically coupled together by bend sections.... Agent:

20140241661 - Subwavelength grating coupler: A method, system or device for configuring an optical coupling device including obtaining characteristics of an optical signal and ambient conditions for storage in memory, utilizing a processor for identifying an optimum effective subwavelength area refractive index and a grating period for the input signal and ambient characteristics stored in... Agent: Board Of Regents, The University Of Texas System

20140241662 - Optical device module and optical communication network system using the same: An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a... Agent:

20140241663 - Ultra-high power multimode combiner: An ultra-high power fiber laser system includes a multimode combiner which is configured with a plurality of low mode fibers bundled together and tapering toward its downstream end. The system further includes a clad mode absorber extending along the tapered downstream end of the combiner and extending over a portion... Agent: Ipg Photonics Corporation

20140241664 - Expanded beam optical connector and method of making the same: An expanded beam (EB) optical connector. In some embodiments, the EB optical connector includes: a rigid, hollow, straight contact tube having a centerline axis; and a collimator assembly having an optical axis and comprising an optical fiber and a collimating lens, wherein the centerline axis of the contact tube is... Agent:

20140241665 - Light beam collimator particularly sutable for a densely packed array: A method and apparatus for controlled displacement, rotation and deformation of parts of a fiber optic collimator so as to provide multiple degrees of adjustment freedom that are decoupled one from another, for adjusting the path of a light beam, comprising: an output elongate hollow node for passing a light... Agent: U.s. Army Research Laboratory Attn Rdrl-loc-1

20140241666 - Optical communication module: An optical communication module includes a photoelectric conversion unit and a lens unit, the photoelectric conversion unit includes a substrate. The lens unit is fixed on the substrate. The optical communication module further includes a cylinder. The lens unit includes a blind hole faces to the substrate. The substrate includes... Agent: Hon Hai Precision Industry Co., Ltd.

20140241667 - High-density multi-fiber adapter housings: An adapter housing for receiving a plurality of multi-fiber connectors includes a rectangular, box-like housing structure having opposing side walls and a back wall that to adapted to mount in a 2-U space in an equipment rack, wherein the housing structure has a width of no greater than about 17.75... Agent: Corning Cable Systems LLC

20140241668 - Hybrid ferrule and fiber optical test device: The present invention is a hybrid ferrule which is able to be connected to both, angle polished and flat polished, MPO connectors; a test device including the above mentioned hybrid ferrule; and a test kit, including the above mentioned test device with hybrid ferrule. The hybrid ferrule of the present... Agent: Lifodas, Uab

20140241669 - Female optical receiving device and method: The present document describes a female optical receiving device for connecting a first optical fiber to a second optical fiber. The first optical fiber is substantially centered within a proximal portion of a guidewire tubing. The female optical receiving device comprises a first ferrule or tubing having a longitudinal axis... Agent: Opsens Inc.

20140241670 - Female hardened optical connectors for use with male plug connectors: A female hardened fiber optic connector for terminating an end of a fiber optic cable that is suitable for making an optical connection with another hardened cable assembly and cable assemblies using the same are disclosed. The female hardened fiber optic connector includes a connector assembly, a crimp body, a... Agent:

20140241671 - Optical connector: There is provided an optical connector configured to receive a plurality of MT ferrules attached to terminal ends of multi-fiber cables. The optical connector includes a housing through which multiple receiving holes receiving the MT ferrules are bored. The receiving holes are arranged in the direction of the long side... Agent: Japan Aviation Electronics Industry, Limited

20140241672 - Liquid displacing optical coupling assemblies: According to various embodiments, an optical assembly may include a ferrule element having a fiber guiding portion separated from an in-wall locating feature by an access region, and a lens element positioned opposite access region and aligned with the in-wall locating feature. The optical assembly also includes an optical component... Agent:

20140241673 - Heat dissipation device and method for use in an optical communications module: A heat dissipation system and method are embodied in an optical subassembly (OSA) that mechanically couples with an electrical subassembly (ESA) of an optical communications module. When the OSA is coupled with the ESA, a heat dissipation block that is embedded in the OSA is spaced apart from components of... Agent: Avago Technologies GeneralIP(singapore) Pte. Ltd.

20140241674 - Cable assembly with cable attach structure having off-axis fiber routing: A cable attach structure for attaching a fiber-optic cable to a rear end and a connector to a front end is disclosed. In one embodiment, the cable attach structure is a portion of a fiber optic cable assembly having a fiber optic cable with at least one optical fiber and... Agent: Corning Optical Communications LLC

20140241675 - Optical couplings having a coded magnetic array, and connector assemblies and electronic devices having the same: Optical couplings for optically coupling one or more devices are disclosed. According to one embodiment, an optical coupling includes an optical coupling body, an optical interface, and a coded magnetic array located at the optical coupling body. The coded magnetic array has a plurality of magnetic regions configured for mating... Agent: Corning Optical Communications LLC

20140241676 - Furcating fiber optic cables without direct coupling of optical fibers to strength members, and related assemblies and methods: Furcating fiber optic cables without direct coupling of optical fibers to strength members are disclosed. Related methods and assemblies are also disclosed. The furcation includes shrink tube(s) securing optical fiber(s) to their fiber sub-unit jacket(s). The shrink tube(s) is secured inside a cable jacket of the fiber optic cable to... Agent:

20140241677 - Multipurpose optical fibre drop cable: A telecommunication cable includes at least one optical fibre unit surrounded by a low fire hazard halogen free polymeric inner sheath that is covered by and in contact with a peelable, environmentally resistant polymer outer sheath. At least two discrete strength members are embedded into the low fire hazard halogen... Agent:

20140241678 - Fiber optic cable assembly: A fiber optic cable assembly includes a distribution cable and a tether cable. The distribution cable includes a jacket having a generally flat profile such that the periphery of the distribution cable, when viewed in cross-section, includes two major surfaces of the jacket that are generally flat and are connected... Agent: Corning Optical Communications LLC

20140241680 - Fiber optic distribution cables and structures therefor: A fiber optic distribution cable includes a jacket defining an exterior of the fiber optic distribution cable and a plurality of optical fibers extending through a cavity of the jacket. The jacket has an access location with a single opening formed in the jacket that extends to the cavity. A... Agent: Corning Optical Communications LLC

20140241679 - Power cable with ability to provide optical fiber upgrade: The disclosed power cable enables optical fibers to be installed after the power cable has been installed, thereby forming a hybrid cable. Segments of the power cable are manufactured with fiber installation tubes containing pulling members. When the power cable segments are coupled together, the fiber installation tubes and pulling... Agent: Tyco Electronics (shanghai) Co. Ltd.

20140241681 - Multi-core optical waveguide for multi-parameter sensing: Methods and apparatus are provided for transmitting light along multiple pathways using a multi-core optical device. One example apparatus generally includes a plurality of large diameter optical waveguides, each having a core and a cladding, and a body having a plurality of bores with the optical waveguides disposed therein, wherein... Agent: Weatherford/lamb, Inc.

20140241683 - Optical waveguide element and method of producing the same: An optical waveguide element includes a cladding portion made of a silica-based glass, and an optical waveguide positioned in the cladding portion and made of a silica-based glass in which a ZrO2 particle is dispersed.... Agent: Furukawa Electric Co., Ltd.

20140241682 - Photonic device structure and method of manufacture: Disclosed method and apparatus embodiments provide a photonic device with optical isolation from a supporting substrate. A generally rectangular cavity in cross section is provided below an element of the photonic device and the element may be formed from a ledge of the supporting substrate which is over the cavity.... Agent: Micron Technology, Inc.

20140241684 - Low attenuation optical fibers with an f-graded index core: An optical fiber is provided that includes a fiber configured to transmit optical data in a plurality of modes or in a single mode; a core region in the fiber that comprises fluorine-doped silica; and a cladding in the fiber that surrounds the core region and that comprises fluorine-doped silica.... Agent: Corning Incorporated

20140241685 - Multimode optical fibers and methods of manufacture thereof: The present invention generally relates to the field of fiber optics, and more specifically to optical fibers, methods of manufacturing optical fibers, and methods of classifying optical fibers. In an embodiment, the present invention is a multimode optical fiber which comprises a core and clad material system where the refractive... Agent: Panduit Corp.

20140241686 - Optical fiber and method of manufacturing the same: An optical fiber is provided. The optical fiber has a refractive index profile that includes a central core, an inner cladding layer, a trench layer, and an outer cladding layer. A trench layer is provided with a reduced refractive index. The optical fiber has a large effective area without having... Agent: Fujikura, Ltd.

20140241687 - D1499 radiation curable resin composition: A radiation curable resin composition, containing (A) urethane oligomer containing the reactants of an aliphatic polyester or polyether diol and a diisocyanate and a monohydric alcohol, or urethane oligomer obtained by reacting the reactants of an aliphatic polyester or polyether diol and a diisocyanate with a monohydric alcohol and then... Agent: DsmIPAssets B.v.

20140241688 - Fiber optic connector adapter module modules and methods: Fiber optic connector adapter module assemblies employing an engagement technique to install a fiber optic connector adapter module in an enclosure without tools are disclosed. In one embodiment, a fiber optic connector adapter module assembly includes a fiber optic connector adapter module having a plurality of first ports, and an... Agent: Corning Cable Systems LLC

20140241689 - Ganged fiber optic connector adapter modules and assemblies having reinforcement members and staggered fiber optic connector adapter ports: Fiber optic connector adapter modules for use in optic communications networks are disclosed. In one embodiment, a fiber optic connector adapter module includes an adapter plate having a first surface and a second surface, an array of fiber optic connector adapters with a first port extending from the first surface... Agent: Corning Cable Systems LLC

20140241692 - Managed fiber connectivity systems: A communications connection system includes an SC fiber optic connector including a storage device having memory configured to store physical layer information. The storage device also includes at least one contact member that is electrically connected to the memory. The communications connection system also includes a fiber optic adapter module... Agent: Adc Telecommunications, Inc.

20140241690 - Optical fiber adapter: An optical fiber adapter according to the present invention includes four walls defined as first wall, second wall, third wall and fourth wall, respectively, wherein the first wall faces the third wall and connects with the second and fourth walls. The four walls define an accommodation room. Two tabs extend... Agent:

20140241691 - Slidable fiber optic connection module with cable slack management: A telecommunications device includes a rack defining right, left, front, rear, top, and bottom sides, the rack defining mounting locations in a stacked arrangement from the bottom to the top, the mounting locations for receiving modules defining connection locations. A cable storage bay is located at one of the right... Agent: Adc Telecommunications, Inc.

20140241693 - Monolithic multi-optical-waveguide penetrator or connector: Methods and apparatus are provided for a monolithic multi-optical-waveguide penetrator or connector. One example apparatus generally includes a plurality of large diameter optical waveguides, each having a core and a cladding, and a body having a plurality of bores with the optical waveguides disposed therein, wherein at least a portion... Agent: Weatherford/lamb, Inc.

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