Patents Examined by Ryan Lepisto
  • Patent number: 10775650
    Abstract: An optical modulator includes a p-type first semiconductor layer (102) formed on a clad layer (101), an insulating layer (103) formed on the first semiconductor layer (102), and an n-type second semiconductor layer (104) formed on the insulating layer (103). The first semiconductor layer (102) is made of silicon or silicon-germanium, and the second semiconductor layer (104) is formed from a III-V compound semiconductor made of three or more materials.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: September 15, 2020
    Inventors: Tatsurou Hiraki, Shinji Matsuo
  • Patent number: 10768362
    Abstract: Arrays of integrated analytical devices and their methods for production are provided. The arrays are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions. The integrated devices allow the highly sensitive discrimination of optical signals using features such as spectra, amplitude, and time resolution, or combinations thereof. The arrays and methods of the invention make use of silicon chip fabrication and manufacturing techniques developed for the electronics industry and highly suited for miniaturization and high throughput.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: September 8, 2020
    Assignee: Pacific Biosciences of California, Inc.
    Inventors: Ravi Saxena, Michael Tzu Ru, Takashi Whitney Orimoto, Annette Grot, Mathieu Foquet, Hou-Pu Chou
  • Patent number: 10768374
    Abstract: A hybrid optical and electrical connection system includes a fiber optic connector; and a connector contact holder. The connector includes a connector body defining a forward plug end, a ferrule, a spring that biases the ferrule in a forward direction, and a rear piece that retains the spring within the connector body. The connector contact holder includes an attachment portion that attaches to the fiber optic connector, a lateral offset portion that extends laterally outwardly from the fiber optic connector and a forward extension structure that projects forwardly from the lateral offset portion toward the forward plug end of the connector body. The forward extension structure includes connector contact mounts. Connector electrical contacts are held by the connector contact mounts.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: September 8, 2020
    Inventors: Michael Lawrence Gurreri, Robert Charles Flaig, Dwight A. Bretz, Eric Ryan Chappell
  • Patent number: 10768385
    Abstract: A high density fiber enclosure system includes a chassis, cassette trays, an optional unification clip, cassettes, and an optional trunk cable management system. The chassis, cassette trays, and cassettes are configured such that individual cassettes may be installed, removed, and otherwise positioned for easy access by a user. The unification clip allows two adjacent cassette trays to be connected to one other such that cassette trays move as one unit. The trunk cable management system is designed to organize trunk cables and trunk cable furcation legs as well as relieve strain on the trunk cables and trunk cable furcation legs.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: September 8, 2020
    Assignee: Panduit Corp.
    Inventors: Jerry A. Wiltjer, Shaun P. Brouwer, Gregory L. Kuffel, Joel D. Kwasny, Kai C. Lui, Benjamin S. Novak, Joseph E. Sanders
  • Patent number: 10761273
    Abstract: A fiber optic ferrule adapter for mating a multi-fiber optic ferrule and a multi-fiber optic connector includes a holder having a cavity where a multi-fiber optic ferrule is held therein, and a receptacle housing with an opening that allows the insertion of a fiber optic connector. The holder has a top opening for receiving the ferrule into its cavity; and two protrusions, which are respectively protruded from each interior side walls of the holder, for latching the ferrule in place inside the cavity. The holder includes a groove recessed on the interior walls of the cavity for catching a ridge on the ferrule so as to prevent any longitudinal movement of the ferrule inside the cavity. The cavity may include a slope next to an interface between the cavity and receptacle housing for allowing the sliding in-and-out of the ferrule at an angle to the top of the holder opening.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: September 1, 2020
    Assignee: Senko Advanced Components, Inc.
    Inventors: Kazuyoshi Takano, Kenji Iizumi
  • Patent number: 10761278
    Abstract: An optical subassembly and an optical module are provided. The optical subassembly includes an optical transmitter, an optical receiver, an optical splitter, and an optical fiber stub. The optical transmitter is configured to transmit light from the optical transmitter to the optical fiber stub through the optical splitter. The optical splitter is configured to reflect light from the optical fiber stub to the optical receiver. An optical axis of the optical receiver and an optical axis of the optical fiber stub form an acute angle. An optical axis of the optical transmitter and the optical axis of the optical fiber stub also form an acute angle.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 1, 2020
    Inventors: Tao Jiang, Qifei Zheng, Haixiang Zhang
  • Patent number: 10761270
    Abstract: A fiber optic coupling device comprises an elastomeric body. The elastomeric body includes first and second sides with a deformable alignment passage extending there between. The deformable alignment passage is configured to elastically center opposing first and second optical fibers. The deformable alignment passage includes a first portion that is configured to receive the first optical fiber having a first core. The deformable alignment passage also includes an opposing second portion that is configured to receive the second optical fiber having a second core. The first portion and the opposing second portion of the alignment passage are defined by a common encompassing periphery, and meet at a common location within the alignment passage to present the core of the received first optical fiber in coaxial alignment with the core of the received second optical fiber.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: September 1, 2020
    Inventor: Michael James Ott
  • Patent number: 10754113
    Abstract: An opto-electronic (OE) device may include an optical fiber including a core and a cladding surrounding the core. The optical fiber may have a recess therein defining a circuit component attachment area. The OE device may include an electrically conductive circuit pattern on the circuit component attachment area and an active OE circuit component on the circuit component attachment area, optically coupled to the optical fiber, and electrically coupled to the electrically conductive circuit pattern. The OE device may further include a protective body surrounding the optical fiber and the active OE circuit component, and electrical conductors integrally formed with the electrically conductive circuit pattern, extending through the protective body, and having distal ends exposed on the protective body for external connection.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: August 25, 2020
    Inventors: Arthur C. Paolella, Christopher D. Fisher
  • Patent number: 10746208
    Abstract: A method for non-intrusive pipeline testing involves constructing the pipeline at a construction location that is above ground, affixing an optical fiber along a surface of a length of the pipeline that is at the construction location, measuring dynamic strain experienced by the length of the pipeline by performing optical interferometry using the optical fiber, and moving the length of the pipeline from the construction location to a different installation location. The optical fiber includes at least one pair of fiber Bragg gratings (“FBGs”) tuned to reflect substantially identical wavelengths with a segment of the optical fiber extending between the FBGs.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: August 18, 2020
    Assignee: Hifi Engineering Inc.
    Inventors: Derek Logan, John Hull, Seyed Ehsan Jalilian
  • Patent number: 10746949
    Abstract: Aspects and techniques of the present disclosure relate to handheld tools for assisting in routing optical fiber, and including advantageous features and methods usable with handheld tools. Disclosed features and techniques relate to: a splicing station, a spool, a groove plate; a substrate; a fiber management device; a tool; and flexible organizers.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: August 18, 2020
    Assignee: CommScope Connectivity Belgium BVBA
    Inventors: Roel Modest Willy Bryon, Kristof Vastmans, Stefano Beri
  • Patent number: 10732368
    Abstract: A telecommunications box includes a back panel, outer sidewalls that adjoin the back panel and form an enclosed loop around an interior volume, and a bulkhead that divides the interior volume into first and second cable storage regions. The bulkhead includes a generally planar lower panel that is fixedly attached to the back panel, a generally planar upper panel having an opening that is dimensioned to receive one or more standardized fiber optic connectors, and a connection mechanism that is configured to permit the upper panel to be positioned in a first position and a second position. The first and second positions are different angular orientations of the upper panel relative to the back panel. The connection mechanism mechanically couples an upper edge side of the lower panel with a lower edge side of the upper panel in both of the first and second positions.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: August 4, 2020
    Assignee: All Systems Broadband, Inc.
    Inventors: Craig Dwayne Ray, Shawn Leroux Heeter
  • Patent number: 10732357
    Abstract: A fiber termination assembly includes an optical fiber inserted into an optical ferrule disposed in an optical passageway of a heat conductive housing, the optical passageway providing an optical path aligned with the openings of the housing, the optical ferrule including a central bore concentrically disposed about the optical path and configured to receive a portion of a proximal end of the optical fiber therein, the optical ferrule and optical fiber secured in relation to the heat conductive housing with epoxy at a distal end of the optical ferrule, wherein the optical ferrule is transparent at a predetermined wavelength of light such that for light coupled into an input surface of the proximal end of the optical fiber at least a portion of the light propagating as cladding modes is stripped out of the optical fiber and transported to and dissipated in the heat conductive housing.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: August 4, 2020
    Assignee: nLIGHT, Inc.
    Inventors: Kylan Hoener, David C. Dawson, Kevin A. Shea, R. Kirk Price
  • Patent number: 10732361
    Abstract: Disclosed are optical plug connectors and optical receptacles for making optical connections. In one embodiment, the optical plug connector includes an optical portion having an optical interface and a cover for protecting the optical interface. The cover can translate toward the optical interface when connecting the optical plug connector and a portion of the cover allows transmission of optical signals therethrough.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: August 4, 2020
    Assignee: Corning Optical Communications LLC
    Inventors: Davide Domenico Fortusini, Micah Colen Isenhour, James Phillip Luther, Jürgen Matthies, Percil Watkins
  • Patent number: 10732348
    Abstract: A photonic device has a polarization-dependent region and a device layer including a first cladding film, a second cladding film, and a core film. The core film includes one of (1) a material having an index nM and (2) alternating layers of a first material having a first index and second material having a second index. The alternating layers have an effective index for TE polarized light nTE and an effective index for TM polarized light nTM. Each of the first cladding film and the second cladding film include the other of (1) the material having the index of refraction nM and (2) the alternating layers nTM<nM<nTE, and the indices of the upper cladding and the lower cladding are less than nTM, nM and nTE. A polarizer, polarizing beam splitter and coupler using clipped coupling can employ the material having an index nM and the alternating layers.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: August 4, 2020
    Assignee: Th University of Central Florida Research Foundation, Inc.
    Inventors: Jeffrey Chiles, Sasan Fathpour
  • Patent number: 10732367
    Abstract: A high-frequency module includes a first board on which an electronic device is mounted, a second board on which at least wiring is formed, and a radio-wave absorber disposed between the first board and the second board. Multiple slits are formed in the radio-wave absorber.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 4, 2020
    Inventors: Shigemi Kurashima, Mitsuki Kanda, Takatoshi Yagisawa, Masahiro Yanagi
  • Patent number: 10725240
    Abstract: A method comprises receiving, at a plurality of optical distributors of a photonic chip, optical energy from a plurality of primary laser sources. Each of the optical distributors receives optical energy from a respective primary laser source at a respective first input. The method further comprises detecting a failed primary laser source of the primary laser sources using control circuitry of a sparing system. The sparing system further comprises one or more secondary laser sources configured to provide optical energy to respective second inputs of the optical distributors. A first one of the secondary laser sources is optically coupled with at least two of the optical distributors. The method further comprises controlling, using the control circuitry, a first one of the secondary laser sources to selectively provide optical energy to the optical distributor whose first input is optically coupled with the failed primary laser source.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: July 28, 2020
    Assignee: Cisco Technology, Inc.
    Inventors: Jock T. Bovington, Matthew J. Traverso
  • Patent number: 10725261
    Abstract: An optical fiber-cable branch member includes: a branch member main body; a cable fixing portion that holds and fixes an end portion of a jacket of an optical fiber-cable onto the branch member main body; and a tube fixing portion that fixes a plurality of protective tubes onto the branch member main body. The optical fiber-cable includes a first optical fiber core bundle and the jacket, and the jacket coats an outer circumference of the first optical fiber core bundle and includes a tension-resisting member buried in a cable longitudinal direction. The plurality of protective tubes cover and protect respective outer circumferences of a plurality of second optical fiber core bundles obtained by branching the first optical fiber core bundle extending from the end portion of the jacket.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 28, 2020
    Assignee: Fujikura Ltd.
    Inventors: Terutake Kobayashi, Norihiro Momotsu
  • Patent number: 10718903
    Abstract: Structures for a waveguide bend and methods of fabricating a structure for a waveguide bend. A first waveguide core has a first section, a second section, and a first waveguide bend connecting the first section with the second section. The first waveguide core has a first side surface extending about an outer radius of the first waveguide bend. A second waveguide core also has a first section, a second section, and a second waveguide bend connecting the first section with the second section. The second waveguide core has a second side surface extending about an outer radius of the second waveguide bend. The first waveguide bend is spaced from the second waveguide bend in a first non-contacting relationship with a gap between the first side surface and the second side surface. The gap has a perpendicular distance selected to permit optical signal transfer between the first and second waveguide bends.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: July 21, 2020
    Inventors: Yusheng Bian, Ajey Poovannummoottil Jacob
  • Patent number: 10718920
    Abstract: A tray may be arrangeable in a chassis that is slideably displaceable from a stowed position to a first use position or to a second use position. A flexible member may be coupled to a tray and provide for maintaining a bend radius of optical fibers received by the flexible member. The flexible member may include anti-jamming features to prevent links of the flexible member from jamming. A handle may be coupled to the tray and may be lockingly engageable with the flexible member. A faceplate may be couplable to a first end of the tray or to a second end of the tray, the faceplate to provide a respective cable management capability for a plurality of fibers received by the tray. The first end of the tray may have a first geometry symmetrical, about at least one axis, to a second geometry of the second end of the tray.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: July 21, 2020
    Assignee: Telect, Inc.
    Inventors: Steven W. Ellison, David Michael Smead
  • Patent number: 10718990
    Abstract: A photonic circuit integrated on a silicon-on-insulator waveguide, the silicon-on-insulator waveguide including a guiding layer, a cladding layer, and a substrate layer. The guiding layer having a first surface and a second surface, the second surface abutting one surface of the cladding layer, the cladding layer having another surface in abutment with a surface of the substrate layer, a photon pump in optical communication with the guiding layer, a nonlinear optical material in contact with the guiding layer first surface, a photon beam of the photon pump traversing the silicon-on-insulator waveguide, and the silicon-on-insulator waveguide having an output beam that includes a signal beam and an idler beam.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: July 21, 2020
    Assignee: General Electric Company
    Inventors: Glen Peter Koste, Adam Halverson