Patents Examined by Sung H. Pak
  • Patent number: 11221449
    Abstract: An optical connector according to an embodiment includes: a receptacle in a cylindrical shape, the receptacle being configured to hold a first optical fiber, the receptacle having a flat surface on an outer surface thereof, the flat surface being parallel with a first optical axis of the first optical fiber; a plug in a cylindrical shape, the plug being configured to hold an optical fiber, the plug having a flat surface on an outer surface thereof, the second flat surface being parallel with a second optical axis of the optical fiber; and a clip member having a contact surface the flat surface with the flat surface, the clip member being configured to press the receptacle and the plug against each other for optically coupling the first optical fiber to the second optical fiber.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: January 11, 2022
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Tomoya Saeki, Yasushi Fujimura, Michio Suzuki
  • Patent number: 11215773
    Abstract: A laser module includes one or more connectors and a laser source. The one or more connectors are configured to receive electrical power from, and to output a light beam to, a panel of a system. The laser source is configured to (i) be powered by the electrical power, and (ii) produce the light beam using the electrical power. The one or more connectors and the laser source are detachable from the panel, and when detached from the panel, the laser source is not powered by the electrical power.
    Type: Grant
    Filed: June 14, 2020
    Date of Patent: January 4, 2022
    Assignee: MELLANOX TECHNOLOGIES DENMARK APS
    Inventors: Casper Dietrich, Henning Lysdal
  • Patent number: 11215767
    Abstract: A fiber optic connector port arrangement includes at least one upper receptacle and at least one lower receptacle vertically aligned with the upper receptacle to form a column of receptacles, the column including a center divider that divides the at least one upper receptacle from the at least one lower receptacle, the center divider defining latching shoulders for mating with latches of both a connector to be mounted at the upper receptacle of the column and a connector to be mounted at the lower receptacle of the column.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: January 4, 2022
    Assignee: CommScope Technologies LLC
    Inventor: Matthew J. Holmberg
  • Patent number: 11215759
    Abstract: An integrated optoelectronic or optical device is formed by a polarization-splitting grating coupler including two optical waveguides, a common optical coupler and flared optical transitions between the optical coupler and the optical waveguides. The optical coupler is configured for supporting input/output of optical waves. A first region of the optical coupler lies at a distance from the flared optical transitions. The first region includes a first recessed pattern. Second regions of the optical coupler lie between the first region and the flared optical transitions, respectively, in an adjoining relationship. The second regions include a second recessed pattern different from the first recessed pattern.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: January 4, 2022
    Assignee: STMicroelectronics SA
    Inventors: Frederic Gianesello, Ophelie Foissey, Cedric Durand
  • Patent number: 11209595
    Abstract: An optical fiber endcap device may include an input facet spliced onto an input fiber and an output end through which counterpropagating light enters the optical fiber endcap device. The optical fiber endcap device further includes a plurality of angled facets that are arranged at respective angles relative to an axis of the optical fiber endcap device to reflect at least a portion of the counterpropagating light back through the output end of the optical fiber endcap device.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: December 28, 2021
    Assignee: Lumentum Operations LLC
    Inventors: Martin H. Muendel, Richard D. Faulhaber, Michael Lovelady
  • Patent number: 11199036
    Abstract: A double jointed hinge mechanism for pivotally coupling a door to a telecommunications chassis includes an first hinge arm configured to be non-rotatably attached to the chassis, a second hinge arm non-rotatably attached to the door, and a third hinge arm pivotally attached to the first and second hinge arms. The hinge mechanism is configured such that the door can be placed in a first open position and a second open position through rotation about first and second rotational axes. In the first open position, the door is in a generally horizontal position and below the first rotational axis. In the second open position, the door is in a generally vertical position and forward of a vertical plane defined by the first rotational axis.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: December 14, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Dennis Ray Wells, Rodney C. Schoenfelder
  • Patent number: 11194100
    Abstract: An optical fiber connection system (600) configured to interconnect a plurality of first and second optical fibers (54, 54?) is described.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: December 7, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Nathaniel S. Shonkwiler, Richard L. Simmons, Donald K. Larson, William J. Clatanoff, Janet A. Kling
  • Patent number: 11194095
    Abstract: A device (e.g., a photonic multiplexer) is provided that includes a plurality of first switches. Each first switch in the plurality of first switches includes a plurality of first channels. Each first switch is configured to shift photons in the plurality of first channels by zero or more channels, based on first configuration information provided to the first switch. The device further includes a plurality of second switches. Each second switch includes a plurality of second channels. Each second channel is coupled with a respective first channel from a distinct first switch of the plurality of first switches. Each second switch is configured to shift photons in the plurality of second channels by zero or more channels, based on second configuration information provided to the second switch.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: December 7, 2021
    Assignee: PsiQuantum Corp.
    Inventors: Naomi Nickerson, Damien Bonneau, Terence Rudolph
  • Patent number: 11189199
    Abstract: The present invention comprises a light emissive display comprising one or more photoluminescent printed waveguides. The waveguides are coated with one or more layers of an overprint varnish. The overprint varnish eliminates surface texture produced by the photoluminescent printing, rendering the waveguides transparent when in the non-energized state.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: November 30, 2021
    Assignee: Sun Chemical Corporation
    Inventors: Erick Couch, Andrew M. Bakaysza
  • Patent number: 11187859
    Abstract: Fiber optic connectors (10), cable assemblies (100) and methods for making the same are disclosed. In one embodiment, the fiber optic connector (10) comprises a ferrule assembly (52), a housing (20) and a cap (60). The housing (20) comprises a longitudinal passageway (22) between a rear end (21) and a front end (23), and a ferrule assembly side-loading pocket (40) for receiving the ferrule assembly (52). The ferrule assembly (52) and housing (20) cooperate to inhibit movement of the assembly during manufacturing. Fiber optic connector 10 may include other features as desired such as keying portion (20KP) or at least one locking feature (20L) integrally formed in the housing (20).
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 30, 2021
    Assignee: Corning Research & Development Corporation
    Inventors: Joel Christopher Rosson, Michael Wimmer
  • Patent number: 11187863
    Abstract: In one embodiment, an optical cable, which is a flat drop cable, includes a cavity shaped in the form of a stadium in a sectional view of the optical cable. The cable further includes an outer sheath enclosing the cavity, a first strength member, and a first optical fiber element disposed in the cavity. The first optical fiber element includes an optical fiber and has an oscillating pattern within the cavity on an oscillation plane parallel to a longitudinal plane of the cable. The height of the cavity in the sectional view substantially corresponds to a height of the first optical fiber element.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 30, 2021
    Assignee: Prysmian S.P.A
    Inventors: Ian Dewi Lang, George Stephen Lucas, Nathan Paddick, Martin Vincent Davies
  • Patent number: 11181698
    Abstract: Provided is a connector including: an electric transmitter; an optical transmitter including a lens at an end of an optical transmission path; a housing that is allowed to contain the optical transmitter; and a slide mechanism that attaches the lens to a connected unit at a position exposed from a front surface of the housing.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: November 23, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Hiizu Ootorii
  • Patent number: 11181800
    Abstract: Optical switch and modulator devices are described, usable for Terahertz data communication rates. The device comprising an optically transmissive substrate configured for propagating electromagnetic radiation therethrough and a metamaterial arrangement optically coupled to said substrate. The metamaterial arrangement comprises at least one layer of metamaterial particles optically coupled to at least some portion of said optically transmissive substrate, and at least one nanomesh layer made of at least one electrically conducting material placed over at least some portion of the at least one metamaterial layer.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: November 23, 2021
    Assignee: TERAHERTZ GROUP LTD.
    Inventor: Eran Gabbai
  • Patent number: 11175470
    Abstract: Fiber optic assemblies for receiving, managing and facilitating access to optical fiber connectors are disclosed. The assemblies include an adapter panel slidably mounted in a chassis and defining a plurality of receiving bays each for receiving at least one cassette containing an optical fiber adapter. Each cassette includes retention features for being received within paired openings in the adapter panel to register a position of the cassette relative to the receiving bay and adapter panel. Cassettes are independently and selectively accessible and removable from either the front or back of the adapter panel.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: November 16, 2021
    Assignee: DMSI International
    Inventors: Robert Brewster, Brandon Woodward
  • Patent number: 11169345
    Abstract: A sliding tray that can slide multiple fiber optic modules simultaneously is provided. In one example, a fiber optic panel assembly includes a ceiling, a bottom cover, and two opposing sides defining an interior opening therein, a mounting bracket disposed on the bottom cover in the interior opening, the mounting bracket comprising a plurality of protruding posts extending outward from a supporting structure of the mounting bracket, and a sliding tray having a plurality of protruding structures having a tip end configured to engage with an inner surface of the supporting structure.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: November 9, 2021
    Assignee: Google LLC
    Inventor: Charles Poe
  • Patent number: 11163127
    Abstract: A protective conduit for high power laser applications in light guide cables and provides a protective conduit that surrounds a light guiding fiber for high-power laser applications in light guide cables, wherein the protective conduit includes at least one plastic laser safety layer filled with at least one allotrope of carbon or filled with cork, chipped wood, wood, or wood powder, wood particles.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: November 2, 2021
    Assignee: II-VI Delaware, Inc.
    Inventors: Marko Szuggars, Gunnar Köhler
  • Patent number: 11156894
    Abstract: Apparatus, circuits and methods for reducing mismatch in an electro-optic modulator are described herein. In some embodiments, a described optical includes: a splitter configured for splitting an input optical signal into a first optical signal and a second optical signal; a phase shifter coupled to the splitter; and a combiner coupled to the phase shifter. The phase shifter includes: a first waveguide arm configured for controlling a first phase of the first optical signal to generate a first phase-controlled optical signal, and a second waveguide arm configured for controlling a second phase of the second optical signal to generate a second phase-controlled optical signal. Each of the first and second waveguide arms includes: a plurality of straight segments and a plurality of curved segments. The combiner is configured for combining the first and second phase-controlled optical signals to generate an output optical signal.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: October 26, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Lan-Chou Cho, Chewn-Pu Jou, Min-Hsiang Hsu
  • Patent number: 11150416
    Abstract: A light coupling unit includes a first major surface comprising one or more substantially parallel first grooves oriented along a first direction for receiving one or more optical waveguides. A second major surface for slidably contacting a mating light coupling unit comprises an optically transmitting window for propagating an optical signal therethrough, and a region of second grooves and lands configured to capture particulate contaminants in the second grooves.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: October 19, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: James M. Nelson, Michael A. Haase, Terry L. Smith
  • Patent number: 11143832
    Abstract: A fiber optic module includes a housing having a first major surface and an opposite second major surface. The module includes an input configured to receive at least one module input fiber. The module includes at least one connectorized pigtail output routed from the housing. The pigtail output is configured to carry a signal from at the at least one module input fiber entering the housing via the input. The module further includes at least one connector storage feature disposed on the first major surface of the housing. The connector storage feature is configured to receive and store the connectorized pigtail output.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: October 12, 2021
    Assignee: COMMSCOPE CONNECTIVITY BELGIUM BVBA
    Inventors: Bart Mattie Claessens, Erwin Beckers, Jan Oversteyns
  • Patent number: 11137551
    Abstract: Ferrules, alignment frames and connectors having at least one flexing element are provided. A ferrule or an alignment frame may include a body and first and second flexible arms, and a connector may include the ferrule or the alignment frame. A ferrule may have a first flexible arm that has a first fixed end attached to a first side of the body of the ferrule and an opposite first free end, and may have a second flexible arm having a second fixed end attached to a second side of the body, opposite the first side, and an opposite second free end. When the ferrule is mated with a mating ferrule, the first and second flexible arms are flexed away from the respective first and second sides of the body, and the first and second free ends contact the mating ferrule.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 5, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Alexander A. Mathews, Terry L. Smith, Michael A. Haase