Patents Examined by Omar R Rojas
  • Patent number: 9933586
    Abstract: An optical fiber adapter according to the present disclosure includes a main body, a first shutter member, a second shutter member and an inner housing. The first shutter member includes a first base portion, a first shutter plate, a first supporting portion and a first connecting portion. The second shutter member includes a second base portion, a second shutter plate, a second supporting portion and a second connecting portion. The first base portion is positioned on the first wall of the main body. The first connecting portion connects the first base portion. The first supporting portion extends from the first connecting portion. The first shutter plate connects the first supporting portion and extends toward the third wall of the main body. The second base portion is positioned on the third wall of the main body. The second connecting portion connects the second base portion. The second supporting portion extends from the second connecting portion.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: April 3, 2018
    Inventor: Muh-Chyng Yang
  • Patent number: 9933579
    Abstract: An optical module includes an optical waveguide; a lens sheet including a lens; a substrate on one surface of which at least one of a light emitting element and a light receiving element is mounted; a first adhesion film that adheres the optical waveguide and the lens sheet; a second adhesion film that adheres the lens sheet and the substrate; and an adhesive agent introducing area, provided at at least one of the first adhesion film and the second adhesion film, to which an adhesive agent is supplied.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: April 3, 2018
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Ayumu Akabane, Takeshi Komiyama
  • Patent number: 9927582
    Abstract: Connector assemblies having an adjustable polarity are described. For example, at least two ferrules may be arranged in a housing of the connector assembly within independent frame plugs in a certain polarity. A top portion of the housing may be removed to allow access to the frame plugs. Accordingly, an installer may open the housing, switch the polarity of the ferrules, and then re-couple the top portion to the housing. In another example, the connector assembly may include a latch that may rotate about the connector assembly from a first polarity position to a second polarity position. The connector assembly may include a compression element that may facilitate the rotation of the latch when the compression element is compressed. In this manner, the latch may be rotated to a different polarity position to allow the connector assembly to be connected to an adapter using a different polarity.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: March 27, 2018
    Assignee: Senko Advanced Components, Inc.
    Inventors: Jimmy Jun-Fu Chang, Kazuyoshi Takano
  • Patent number: 9904018
    Abstract: The present invention provides a direct laser writing fabrication method and system for devices having periodic refractive index modulation structures, for example, Bragg gratings. By focusing a modulated pulsed laser beam into a transparent material substrate, a path of laser modified volumes can be formed with modified refractive index compared with the unprocessed material. Modulation of exposure conditions provides periodic or modified periodic waveguide structures such that the waveguide structures exhibit grating responses and can be used for a variety of optical applications, for example, as spectral filters, Bragg reflectors, grating couplers, grating sensors, or other devices.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: February 27, 2018
    Inventors: Peter R. Herman, Haibin Zhang, Shane Michael Eaton
  • Patent number: 9874768
    Abstract: An optical modulation device includes: an optical waveguide formed above a substrate; a phase modulator disposed on part of the optical waveguide; a capacitor connected to the phase modulator and including a lower electrode and an upper electrode; a resistor connected in parallel to the capacitor; and an appended part integrated with the upper electrode and electrically connected to the resistor, wherein the appended part is smaller in area than the capacitor (upper electrode).
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: January 23, 2018
    Assignees: FUJITSU LIMITED, PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
    Inventors: Takeshi Baba, Tatsuya Usuki, Suguru Akiyama
  • Patent number: 9869826
    Abstract: The present application relates to a magnetic optical fiber coupling device. The magnetic optical fiber coupling device comprises a plug and a socket pluggable for each other, wherein the plug comprises a first pluggable part and a first connecting part, and the socket comprises a second pluggable part and a second connecting part. Both of the first pluggable part and the second pluggable part are magnetic and have opposite magnetic properties. The first pluggable part comprises a first optical fiber complex and a tube wall disposed outside of the first optical fiber complex. The second pluggable part comprises a second optical fiber complex and a casing disposed outside of the second optical fiber complex. The coupling device of the present application has a fast speed of plugging, a long durability, a good optical fiber alignability, and a high light conductivity. Further, it can be rotated in any axial direction after connecting with each other without affecting the light conductivity.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: January 16, 2018
    Inventor: Hua Shang
  • Patent number: 9869816
    Abstract: Provided is a light combining/dividing element which allows generation of reflected light to be suppressed, as compared with a conventional light combining/dividing element. A core of the light combining/dividing element includes an MMI part which is connected to a first core and to each of a second core and a third core. A width of a rib of a rib waveguide of the MMI part becomes narrower from a width equal to that of a channel waveguide to a width equal to that of the first core.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: January 16, 2018
    Assignee: FUJIKURA LTD.
    Inventors: Norihiro Ishikura, Kazuhiro Goi
  • Patent number: 9869830
    Abstract: An optical transceiver device includes a baseplate including a set position for mounting an optical element, an alignment plate including a mounting unit, a first and a second reference hole. The device includes an optical-fiber fixing block configured to fixedly mount at least one of a lens unit and an optical fiber optically linked with the optical element and to include a first and a second post, and a housing for enclosing the optical-fiber fixing block and alignment plate. The second post is inserted into the second reference hole in a looser manner than inserting the first post into the first reference hole, and the set position is determined by a first baseline passing through the first and the second reference hole and by a second baseline intersecting with the first baseline and positioned on opposite side of the second reference hole with respect to the first reference hole.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: January 16, 2018
    Assignees: OPTOMIND INC., MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yung-sung Son, Bong-cheol Kim
  • Patent number: 9864254
    Abstract: A device for generating a modulation of an optical signal is provided which has a first electro-absorption modulator including a first P-doped semi-conductor area, a first N-doped semi-conductor area, and a first active portion, along with a second electro-absorption modulator including a second P-doped semi-conductor area in electric contact with the first N-doped semi-conductor area, a second N-doped semi-conductor area, and a second active portion, and a connector for introducing electric modulation. In the device, the connector for introducing electric modulation is in contact with the first N-doped semi-conductor area and the second P-doped semi-conductor area.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: January 9, 2018
    Assignee: COMMISSARIAT Á L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Christophe Kazmierski, David Carrara
  • Patent number: 9857539
    Abstract: Various embodiments are directed to a connector for coupling optical signals to a semiconductor device. In one embodiment, the connector includes a connector member having a recessed portion to arrange a plurality of waveguides formed side-by-side in a transverse direction. A backup member is arranged within the recessed portion interposing the plurality of waveguides between the connector member and the backup member. The recessed portion includes a plurality of ridges arranged in a staggered pattern relative to the plurality of waveguides for positioning the plurality of waveguides relative to the connector.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 2, 2018
    Assignee: International Business Machines Corporation
    Inventors: Tymon Barwicz, Yoichi Taira
  • Patent number: 9857538
    Abstract: An adapter with novel alignment features engages alignment features on a plug, providing general alignment of the ferrule holders and ferrules in the plug. After the plug engages the adapter, the ferrule holders engage a second set of alignment features in the adapter to provide fine alignment for the ferrules.
    Type: Grant
    Filed: March 15, 2014
    Date of Patent: January 2, 2018
    Assignee: US Conec, Ltd.
    Inventors: Hiep Nguyen, Darrell R. Childers, Michael E. Hughes, Jillcha Fekadu Wakjira, Joseph P. Howard
  • Patent number: 9851504
    Abstract: A planar optical waveguide device includes: a substrate; a core that forms a first waveguide and a second waveguide that are arranged in parallel on the substrate; and a cladding that covers the core and has a refractive index smaller than that of the core. The core includes a first rib portion that forms the first waveguide, a second rib portion that forms the second waveguide, and a slab portion that is provided only on one side of the first rib portion and the second rib portion in a width direction to have a thickness smaller than the thicknesses of the first rib portion and the second rib portion and is shared between the first rib portion and the second rib portion.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: December 26, 2017
    Assignee: FUJIKURA LTD.
    Inventor: Akira Oka
  • Patent number: 9846282
    Abstract: Embodiments of the present invention provide an optical fiber connector assembly, an optical fiber adapter, and an optical fiber connector to solve the problem of inconvenience in use caused by using a thread-locking manner in the prior art. The optical fiber connector, optical fiber adapter and optical fiber connector assembly provided in the present invention may be used as an outdoor connector to achieve plug and play. The optical fiber connector supports blind-mate, and the operation is convenient. Time taken to install and disassemble the optical fiber connector provided in the present invention is only ? of the time taken to install and disassemble a common thread connector.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: December 19, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xuesong Huang, Wenxin Wu, Shangjun Peng, Wei Zhang
  • Patent number: 9835810
    Abstract: A terminal for making a hydraulic, electrical, or optical connection in an ink jet printing machine. The terminal extends along an axis XX?, and its external surface includes: a cylindrical portion, including a contact end and having a first diameter (d1), this end being provided with hydraulic or electrical or optical connection structure. The external surface also includes a collar, having a diameter (d2) higher than the first diameter (d1), and a throat, the bottom of which has a cross-section, in a plane perpendicular to the axis XX?, having at least one arc of circle portion having a third diameter (d3) lower than that of the collar, at least one planar part, and a part of this cross-section having a width lower than the third diameter. The throat continues with a connection device, for connecting to at least one hydraulic conduit or one electrical cable or one optical fiber.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: December 5, 2017
    Assignee: DOVER EUROPE SÀRL
    Inventors: Vincent Audouard, Jean-François Desse
  • Patent number: 9835798
    Abstract: A planar optical waveguide device includes: a substrate; and an optical waveguide that includes a core and a cladding. The core forms a preceding-stage mode conversion section and a subsequent-stage mode conversion section, the preceding-stage mode conversion section being configured to convert a mode of input light, the subsequent-stage mode conversion section being configured to convert a mode of light output from the preceding-stage mode conversion section. Sectional shapes of the first core portion and the second core portion are not congruent with each other at an input end of the preceding-stage mode conversion section, the sectional shape or size of at least one core is continuously changed along a light waveguide direction, and sectional shapes of the first core portion and the second core portion are congruent with each other at an output end of the preceding-stage mode conversion section.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: December 5, 2017
    Assignee: FUJIKURA LTD.
    Inventor: Akira Oka
  • Patent number: 9829626
    Abstract: A multi-chip module (MCM) is described. This MCM includes a driver integrated circuit that includes electrical circuits, a photonic chip, an interposer, and an optical gain chip. The photonic chip may be implemented using a silicon-on-insulator technology, and may include an optical waveguide that conveys an optical signal and traces that are electrically coupled to the driver integrated circuit. Moreover, the interposer may be electrically coupled to the traces. Furthermore, the optical gain chip may include a III/V compound semiconductor (and, more generally, a semiconductor other than silicon), and may include a second optical waveguide that conveys the optical signal and that is vertically aligned with the optical waveguide relative to a top surface of the interposer. Additionally, the optical gain chip may be electrically coupled to the interposer.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: November 28, 2017
    Assignee: Oracle International Corporation
    Inventors: Ivan Shubin, Xuezhe Zheng, Jin Hyoung Lee, Ashok V. Krishnamoorthy
  • Patent number: 9829660
    Abstract: There is provided an optical module. The optical module includes a light source, a wave guide to which beam output from the light source is input, a lens system configured to optically combining the light source and the wave guide, a first lens mount positioned between the light source and the lens system in an optical axis of the light source, a first adhesive configured to fix the lens system to the first lens mount, a second lens mount positioned between the wave guide and the lens system in the optical axis of the light source, and a second adhesive configured to fix the lens system to the second lens mount. Therefore, it is possible to precisely align light, to manufacture the optical module with small expenses, and to simplify processes and equipment.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: November 28, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jong Jin Lee, Kwon-Seob Lim, Dae Seon Kim, Sun-Goo Lee
  • Patent number: 9817200
    Abstract: Provided is an optical fiber cable having excellent flame retardancy, long-term heat resistance and mechanical characteristics. An optical fiber cable according to the present invention comprises an optical fiber and a cladding layer that is provided on the outer circumference of the optical fiber. The cladding layer contains a chlorinated polyolefin resin (A) and a polyolefin resin (B).
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: November 14, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tsuyoshi Kimura, Yoshihiro Tsukamoto, Kouji Asano
  • Patent number: 9817197
    Abstract: Two semiconductor chips are optically aligned to form a hybrid semiconductor device. Both chips have optical waveguides and alignment surface positioned at precisely-defined complementary vertical offsets from optical axes of the corresponding waveguides, so that the waveguides are vertically aligned when one of the chips is placed atop the other with their alignment surface abutting each other. The position of the at least one of the alignment surface in a layer stack of its chip is precisely defined by epitaxy. The chips are bonded at offset bonding pads with the alignment surfaces abutting in the absence of bonding material therebetween.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: November 14, 2017
    Assignee: Elenion Technologies, LLC
    Inventors: David Henry Kinghorn, Ari Jason Novack, Holger N. Klein, Nathan A. Nuttall, Kishor V. Desai, Daniel J. Blumenthal, Michael J. Hochberg, Ruizhi Shi
  • 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