Patents Examined by Omar R Rojas
  • Patent number: 9804336
    Abstract: The present invention relates to a method for connecting a solid core optical fiber (2) with another optical fiber (20), wherein the solid core optical fiber (2) comprises a joining device (10), which is created on one axial end of the solid core optical fiber (2) using a 3D printer and wherein the other optical fiber (20) is incorporated in the joining device (10) via an axial end of the other optical fiber (20), which is thus connected with the solid core optical fiber (2). In addition, the invention relates to a solid core optical fiber (2) with a joining device (10) created by a 3D-printer, and the relevant use of a 3D printer.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: October 31, 2017
    Assignee: UNIVERSITAT STUTTGART
    Inventors: Harald Giessen, Stefan Kedenburg, Timo Gissibl, Andy Steinmann
  • Patent number: 9784953
    Abstract: A device for optically coupling two photonic elements may comprise an interposer where each photonic element is axially aligned with an optical pathway in the interposer. Also included is an optics assembly configured to direct a photonic signal along the optical pathway; and a mechanical guide assembly configured to reduce the relative tilt and rotation of photonic elements. Another such device may comprise two connectors where each connector comprises an optical pathway element in which an optics assembly is situated and a photonic element aligned with the optical pathway element. A mechanical guide assembly secures the optical pathway elements in a position so as to reduce the relative tilt and rotation of the photonic elements. A connection for optically coupling two computing units can comprise a partition situated between the computing units and on which an interposer is mounted.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: October 10, 2017
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Paul Kessler Rosenberg, Michael Renne Ty Tan, Huei Pei Kuo, Robert G Walmsley, Eric Peterson
  • Patent number: 9788469
    Abstract: A shielded combined optical communication and conductor cable is provided. The cable includes a cable body having an inner surface defining a channel within the cable body. The cable includes an optical transmission element located within the channel and an electrical conducting element located within the channel. The cable includes an electromagnetic shield located within the channel and surrounding at least the electrical conducting element. The electromagnetic shield includes an elongate yarn strand or other strand material that supports a metal material that acts to limit electromagnetic fields from traversing across the electromagnetic shield. The strands may be unbraided and may be helically wrapped or longitudinally positioned within the cable body.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: October 10, 2017
    Assignee: Corning Optical Communications LLC
    Inventors: Michael John Gimblet, James Arthur Register, III
  • Patent number: 9766400
    Abstract: A method for adjusting the properties of a photonic circuit such that they fit with expected properties, the photonic circuit including a waveguide which includes a light propagation region, is provided. The method includes a step of modifying the refractive index of at least one zone of the region, the step being implemented by an ion implantation in the at least one zone. It extends to a waveguide the light propagation region of which has at least one zone with a refractive index modified by ion implantation in which the light remains confined, as well as a photonic circuit incorporating such a guide.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 19, 2017
    Assignee: Commissariat à l'énergie atomique et aux énergies alternatives
    Inventors: Karim Hassan, Corrado Sciancalepore, Badhise Ben Bakir, Sylvie Menezo
  • Patent number: 9766411
    Abstract: Optical interface devices and methods employing optical fibers and support member having a bend section are disclosed, wherein the optical interface device is used for optically connecting at least one photonic device to at least one optical device via at least one optical fiber. An array of optical fibers is arranged immediately adjacent a portion of the outer curved surface at the bend section. A fiber alignment member having a fiber alignment feature engages the array of optical fibers at a back-end flat portion of the support member so that end faces of the optical fibers are substantially co-planar with a bottom surface of the fiber alignment member and a back end of the support member. A securing layer disposed over the optical fiber array serves to secure the optical fiber array to the outer.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: September 19, 2017
    Assignee: Corning Optical Communications LLC
    Inventors: Douglas Llewellyn Butler, William Kenneth Denson, James Scott Sutherland
  • Patent number: 9759874
    Abstract: 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 having one or more media reading interfaces. Each media reading interface is configured to read physical layer information stored on one of the fiber optic connectors received at the adapter module. Certain types of media reading interfaces extend between an internal passage of the adapter module and an external surface of the adapter module.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: September 12, 2017
    Assignee: CommScope Technologies, LLC
    Inventor: Cyle D. Petersen
  • Patent number: 9746612
    Abstract: Methods, systems, and devices are disclosed for implementing a fiber-waveguide evanescent coupling. In one aspect, a device having integrated photonic components includes a substrate, a waveguide formed on the substrate to include a terminal waveguide portion that terminates at one side of the substrate, and a fiber including a fiber core and fiber cladding surrounding the fiber core, in which at least a portion of the fiber cladding is removed at or near a fiber terminal end to enable optical evanescent coupling via a side surface of the fiber core at the or near the fiber terminal end, the fiber core at the or near the fiber terminal end is placed over the one side of the substrate to be above and to overlap with the terminal waveguide portion of the waveguide to enable optical evanescent coupling via side surfaces of the fiber core and the waveguide.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: August 29, 2017
    Assignee: Cornell University
    Inventors: Michal Lipson, Biswajeet Guha
  • Patent number: 9739959
    Abstract: An optical transmission apparatus includes a substrate and a heatsink. The substrate is a substrate on which multiple light sources and a heat generating part are mounted. The heatsink includes a base portion, a fin portion, and multiple light guiding paths. The base portion is arranged on a surface of the heat generating part on an opposite side to the substrate. The fin portion rises up from a surface of the base portion on an opposite side to the heat generating part. The multiple light guiding paths are formed inside the base portion, and guide lights emitted by the multiple light sources to multiple output destinations corresponding to the multiple light sources.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: August 22, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Kondo Masahiko, Koji Kano, Yoshiaki Tobimatsu, Takahisa Yoshizumi, Kazuya Satoh
  • Patent number: 9726833
    Abstract: An optical interconnection assembly for the mutual connection of a plurality of signal switching circuit boards that may be coupled to a common planar support, backplane, includes a planar support frame, adapted to receive an ordered arrangement of connectors, which includes a series of first connectors arranged to face corresponding signal transmission ports of said boards, and a series of second connectors arranged to face corresponding signal reception ports of the boards. The support frame is adapted to guide the deployment of an interconnection circuit between corresponding pairs of first and second connectors.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: August 8, 2017
    Assignee: CONSIGLIO NAZIONALE DELLE RICERCHE
    Inventors: Vito Basile, Irene Fassi, Gianluca Guadagno
  • Patent number: 9726827
    Abstract: Optical switch based on a micro-minor device such as a DMD configured to simultaneously switch light from N inputs to M outputs with switching times of about 10 microseconds, where N and M are generally greater than one. The minors of the device are oriented according to a pattern calculated based on a Fourier Transform of spatial distribution of M outputs such as to form, in diffraction of light incident on the device, and diffraction light pattern that in the output plane is substantially congruent with the spatial distribution of M outputs. The device can be configured as a modulator of amplitude and/or a modulator of phase of incident light wavefront.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: August 8, 2017
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
    Inventors: Pierre Alexandre Blanche, Nasser N. Peyghambarian, Brittany Lynn
  • Patent number: 9726816
    Abstract: An MCF of the present embodiment has eight or more cores. A diameter of a common cladding is not more than 126 ?m. Optical characteristics of each core are as follows: a TL at a predetermined wavelength of 1310 nm is not more than 0.4 dB/km; an MFD at the predetermined wavelength is from 8.0 ?m to 10.1 ?m; a BL in a BR of not less than 5 mm or in the BR of not less than 3 mm and, less than 5 mm is not more than 0.25 dB/turn at the predetermined wavelength; ?0 is from 1300 nm to 1324 nm; ?cc is not more than 1260 nm; an XT or XTs at the predetermined wavelength is not more than 0.001/km.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: August 8, 2017
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Tetsuya Hayashi, Osamu Shimakawa
  • Patent number: 9720189
    Abstract: An optical fiber connector includes a cartridge, a latch and a pair of elastic members. The cartridge has two opposite sidewalls and a wire terminal, and each sidewall has a runner and a containing slot disposed on a side of the wire terminal. The latch includes a pull handle, a sliding member having two opposite extending arms, and a stop portion disposed at each extending arm. The pull handle is capable of rotatably connecting the sliding member, and each extending arm is slidably combined with the cartridge through each runner. Each elastic member has an end abutting each containing slot and the other end abutting each stop portion. Therefore, the space of the cartridge is increased, and the total volume of the optical fiber connector is reduced.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: August 1, 2017
    Inventor: Chen-Yueh Shih
  • Patent number: 9720194
    Abstract: A fiber optic cable includes a jacket forming a cavity therein, the jacket having an indentation on the exterior thereof that forms a ridge extending into the cavity along the length of the jacket; and a stack of fiber optic ribbons located in the cavity, each ribbon having a plurality of optical fibers arranged side-by-side with one another and coupled to one another in a common matrix, wherein corners of the ribbon stack pass by the ridge at intermittent locations along the length of the jacket, and wherein interaction between the ridge and the ribbon stack facilitates coupling of the ribbon stack to the jacket.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: August 1, 2017
    Assignee: Corning Optical Communications LLC
    Inventors: Michael John Gimblet, Julian Latelle Greenwood, III, Jason Clay Lail, Eric John Mozdy, David Alan Seddon
  • Patent number: 9715063
    Abstract: A light interconnection device includes a metal-insulator-metal (MIM) waveguide including first and second metal layers and a dielectric layer provided between the first and second metal layers, and a plasmonic antenna including a slot penetrating through the second metal layer.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: July 25, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeonsang Park, Younggeun Roh, Jineun Kim, Changwon Lee
  • Patent number: 9709755
    Abstract: A multi-tool for fiber optic applications is disclosed. In one embodiment, the multi-tool includes a male fiber loopback plug. The multi-tool further includes a fiber coupler having a first end and a second end. The first end of the fiber coupler is able to receive the male fiber loopback plug when the multi-tool is in a closed position. Also, the first end of the fiber coupler is able to receive a loose fiber cable end when the multi-tool is in an open position. The multi-tool also includes an end cap which can be removably coupled to the second end of the fiber coupler. The end cap and the fiber coupler cooperatively provide a protective housing for a fiber cable end when the end cap is removably coupled to the second end of the fiber coupler and the fiber cable end is inserted into the first end of the fiber coupler.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: July 18, 2017
    Assignee: Westek Electronics, Inc.
    Inventor: Kevin B. Larkin
  • Patent number: 9703038
    Abstract: Techniques for forming a facet optical coupler to couple light at an edge of silicon substrate are described. The facet optical coupler includes a silicon substrate, a layer of second material disposed on the silicon substrate and in direct contact with the edge of the silicon substrate, and an undercut region disposed between a portion of the silicon substrate and the layer of second material. The undercut region is offset from the edge to provide mechanical integrity of the facet optical coupler to improve production of photonic integrated circuits having the facet optical coupler from a wafer.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: July 11, 2017
    Assignee: Acacia Communications, Inc.
    Inventor: Long Chen
  • Patent number: 9703057
    Abstract: An inventive opto-electric hybrid board includes: opto-electric module portions respectively provided on opposite end portions of an elongated insulation layer and including a first electric wiring of a first electrically conductive pattern and an optical element provided on a front surface of the insulation layer; and an interconnection portion provided on a portion of the insulation layer extending from the opto-electric module portions, and including an elongated optical waveguide on a back surface of the insulation layer optically coupled with the optical elements, and having a light signal transmission core. Further, an electrically conductive dummy pattern is provided on the front surface of the insulation layer in the interconnection portion for reinforcing the interconnection portion. The electrically conductive dummy pattern reinforces the interconnection portion to protect the waveguide from bending and twisting, while ensuring the flexibility of the interconnection portion.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: July 11, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yuichi Tsujita, Naoki Shibata
  • Patent number: 9703044
    Abstract: A system may include a first light source configured to generate a first beam of light at a first wavelength; a second light source configured to generate a second beam of light at a second wavelength; a third light source configured to generate a third beam of light at a third wavelength; and a fourth light source configured to generate a fourth beam of light at a fourth wavelength. The system may also include a thin-film filter, a first polarization beam splitter (PBS), a wave plate and a second PBS. The thin-film filter, the first PBS, the wave plate, and the second PBS may be configured to combine the first beam, the second beam, the third beam and the fourth beam into a combined beam of light.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: July 11, 2017
    Assignee: FINISAR CORPORATION
    Inventors: Xiaogang Hong, Tao Wu, Fei Li, Chunxiang Zhang, Shanshan Zeng, Hongyu Deng
  • Patent number: 9703169
    Abstract: An aspect of the present invention is an optical modulator, comprising a waveguide substrate and a multiplexing optical system. The waveguide substrate includes a first modulation portion, a second modulation, a first optical path and a second optical path. The multiplexing optical system includes a first surface and a second surface. First output light output from the first optical path and second output light output from the second optical path are input from the first surface and are output after there are combined at a combining point of the second surface. An optical path length between the first surface and the combining point in the first output light is larger than that of in the second output light. An optical path length between the first modulation portion and the first surface and an optical path length between the second modulation portion and the first surface are different.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: July 11, 2017
    Assignee: Sumitomo Osaka Cement Co., Ltd.
    Inventors: Miki Okamura, Tokutaka Hara
  • Patent number: 9703043
    Abstract: An apparatus including a waveguide region configured to guide light propagating along a first direction; a reflector region configured to reflect incident light; an interference region formed between the waveguide region and the reflector region, the interference region configured to confine at least a portion of interference light formed by the incident light and the reflected incident light; and a grating region including a grating formed on a region confining at least a portion of the interference light, the grating configured to couple at least a portion of the light along a second direction that is different from the first direction.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 11, 2017
    Assignee: Forelux Inc.
    Inventors: Shu-Lu Chen, Yun-Chung Na