Patents by Inventor Hyundai Park

Hyundai Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10211595
    Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: February 19, 2019
    Assignee: Aurrion, Inc.
    Inventors: Erik Johan Norberg, Brian Koch, Gregory Alan Fish, Hyundai Park, Jared Bauters
  • Patent number: 10168474
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: January 1, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gyungock Kim, Hyundai Park, In Gyoo Kim, Sang Hoon Kim, Ki Seok Jang, Sang Gi Kim, Jiho Joo, Yongseok Choi, Hyuk Je Kwon, Jaegyu Park, Sun Ae Kim, Jin Hyuk Oh, myung joon Kwack
  • Publication number: 20170269298
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 21, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gyungock KIM, Hyundai PARK, In Gyoo KIM, Sang Hoon KIM, Ki Seok JANG, Sang Gi KIM, Jiho JOO, Yongseok CHOI, Hyuk Je KWON, Jaegyu PARK, Sun Ae KIM, Jin Hyuk OH, myung joon KWACK
  • Publication number: 20170271845
    Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.
    Type: Application
    Filed: June 2, 2017
    Publication date: September 21, 2017
    Inventors: ERIK JOHAN NORBERG, BRIAN KOCH, GREGORY ALAN FISH, HYUNDAI PARK, JARED BAUTERS
  • Publication number: 20170261705
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 14, 2017
    Applicant: Electronics and Telecommunications Research Instit ute
    Inventors: Gyungock KIM, Hyundai PARK, In Gyoo KIM, Sang Hoon KIM, Ki Seok JANG, Sang Gi KIM, Jiho JOO, Yongseok CHOI, Hyuk Je KWON, Jaegyu PARK, Sun Ae KIM, Jin Hyuk OH, Myung Joon KWACK
  • Patent number: 9690042
    Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 27, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gyungock Kim, Hyundai Park, In Gyoo Kim, Sang Hoon Kim, Ki Seok Jang, Sang Gi Kim, Jiho Joo, Yongseok Choi, Hyuk Je Kwon, Jaegyu Park, Sun Ae Kim, Jin Hyuk Oh, Myung Joon Kwack
  • Patent number: 9685761
    Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: June 20, 2017
    Assignee: Aurrion, Inc.
    Inventors: Erik Johan Norberg, Brian Koch, Gregory Alan Fish, Hyundai Park, Jared Bauters
  • Patent number: 9515456
    Abstract: Described are embodiments of apparatuses and systems including a hybrid laser including anti-resonant waveguides, and methods for making such apparatuses and systems. A hybrid laser apparatus may include a first semiconductor region including an active region of one or more layers of semiconductor materials from group III, group IV, or group V semiconductor, and a second semiconductor region coupled with the first semiconductor region and having an optical waveguide, a first trench disposed on a first side of the optical waveguide, and a second trench disposed on a second side, opposite the first side, of the optical waveguide. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: December 6, 2016
    Assignee: INTEL CORPORATION
    Inventor: Hyundai Park
  • Publication number: 20160111858
    Abstract: Described are embodiments of apparatuses and systems including a hybrid laser including anti-resonant waveguides, and methods for making such apparatuses and systems. A hybrid laser apparatus may include a first semiconductor region including an active region of one or more layers of semiconductor materials from group III, group IV, or group V semiconductor, and a second semiconductor region coupled with the first semiconductor region and having an optical waveguide, a first trench disposed on a first side of the optical waveguide, and a second trench disposed on a second side, opposite the first side, of the optical waveguide. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: November 2, 2015
    Publication date: April 21, 2016
    Inventor: Hyundai Park
  • Patent number: 9316792
    Abstract: Provided are an optical coupler and an optical device including the same. The optical coupler includes: a substrate; a buffer layer on the substrate; and an optical coupling layer including a horizontal mode expander layer and a vertical mode expander layer, wherein the horizontal mode expander layer expands in one direction on the buffer layer, and wherein the vertical mode expander layer adjusts a stepped difference between the horizontal mode expander layer and a plurality of optical transmission devices having different diameters or sectional areas and connected to both sides of the horizontal mode expander layer, and the vertical mode expander layer is disposed on a side of the horizontal mode expander layer to minimize optical loss between the plurality of optical transmission devices.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: April 19, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyundai Park, Taeyong Kim, JiHo Joo, Jaegyu Park, Gyungock Kim
  • Publication number: 20160099546
    Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.
    Type: Application
    Filed: September 30, 2015
    Publication date: April 7, 2016
    Inventors: Erik Johan Norberg, Brian Koch, Gregory Alan Fish, Hyundai Park, Jared Bauters
  • Patent number: 9209604
    Abstract: Described are embodiments of apparatuses and systems including a hybrid laser including anti-resonant waveguides, and methods for making such apparatuses and systems. A hybrid laser apparatus may include a first semiconductor region including an active region of one or more layers of semiconductor materials from group III, group IV, or group V semiconductor, and a second semiconductor region coupled with the first semiconductor region and having an optical waveguide, a first trench disposed on a first side of the optical waveguide, and a second trench disposed on a second side, opposite the first side, of the optical waveguide. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: December 8, 2015
    Assignee: Intel Corporation
    Inventor: Hyundai Park
  • Patent number: 9164238
    Abstract: Provided are an optical coupler and an arrayed-waveguide grating structure including the same. The coupler includes a lower clad layer, a core comprising a slab waveguide region disposed on one side of the lower clad layer and a ridge waveguide region disposed on the other side of the lower clad layer, and an upper clad disposed on the core, wherein the ridge waveguide region comprises a self-focusing region configured to focus an optical signal provided form the slab waveguide region and thus to prevent scattering of the optical signal.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: October 20, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jaegyu Park, Hyundai Park, Jiho Joo, Myung joon Kwack, Gyungock Kim
  • Publication number: 20150277054
    Abstract: Provided are an optical coupler and an optical device including the same. The optical coupler includes: a substrate; a buffer layer on the substrate; and an optical coupling layer including a horizontal mode expander layer and a vertical mode expander layer, wherein the horizontal mode expander layer expands in one direction on the buffer layer, and wherein the vertical mode expander layer adjusts a stepped difference between the horizontal mode expander layer and a plurality of optical transmission devices having different diameters or sectional areas and connected to both sides of the horizontal mode expander layer, and the vertical mode expander layer is disposed on a side of the horizontal mode expander layer to minimize optical loss between the plurality of optical transmission devices.
    Type: Application
    Filed: January 20, 2014
    Publication date: October 1, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyundai PARK, Taeyong KIM, JiHo JOO, Jaegyu PARK, Gyungock KIM
  • Patent number: 9134478
    Abstract: Described are embodiments of hybrid optical apparatuses including anti-resonant optical waveguides, and methods for making such apparatuses and systems. In one embodiment, a hybrid optical apparatus may include a first semiconductor region including an active region of one or more layers of semiconductor materials and a second semiconductor region coupled with the first semiconductor region. The second semiconductor region may include an optical waveguide configured to transmit light inputted by a light input component. The optical waveguide may be defined by a first trench disposed on a first side of the waveguide, and a second trench disposed on a second side of the waveguide opposite the first side. A width of each trench may vary along a length of the apparatus to control optical power density of the light transmitted along the optical waveguide. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: September 15, 2015
    Assignee: Intel Corporation
    Inventors: Hyundai Park, Richard Jones
  • Patent number: 9118160
    Abstract: Provided is a vertical-cavity surface-emitting laser (VCSEL). The VCSEL includes a silicon substrate, a lower reflective layer disposed on the silicon substrate, a light generation laser disposed on the lower reflective layer, and an upper reflective layer disposed on the light generation layer. The lower reflective layer, the light generation layer, and the upper reflective layer may include a III-V semiconductor light source-active layer monolithically integrated on a first impurity layer by wafer bonding.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: August 25, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyundai Park, Gyungock Kim
  • Patent number: 9020002
    Abstract: Photonic integrated circuits on silicon are disclosed. By bonding a wafer of compound semiconductor material as an active region to silicon and removing the substrate, the lasers, amplifiers, modulators, and other devices can be processed using standard photolithographic techniques on the silicon substrate. A silicon laser intermixed integrated device in accordance with one or more embodiments of the present invention comprises a silicon-on-insulator substrate, comprising at least one waveguide in a top surface, and a compound semiconductor substrate comprising a gain layer, the compound semiconductor substrate being subjected to a quantum well intermixing process, wherein the upper surface of the compound semiconductor substrate is bonded to the top surface of the silicon-on-insulator substrate.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: April 28, 2015
    Assignee: The Regents of the University of California
    Inventors: Matthew N. Sysak, John E. Bowers, Alexander W. Fang, Hyundai Park
  • Publication number: 20150078703
    Abstract: Described are embodiments of hybrid optical apparatuses including anti-resonant optical waveguides, and methods for making such apparatuses and systems. In one embodiment, a hybrid optical apparatus may include a first semiconductor region including an active region of one or more layers of semiconductor materials and a second semiconductor region coupled with the first semiconductor region. The second semiconductor region may include an optical waveguide configured to transmit light inputted by a light input component. The optical waveguide may be defined by a first trench disposed on a first side of the waveguide, and a second trench disposed on a second side of the waveguide opposite the first side. A width of each trench may vary along a length of the apparatus to control optical power density of the light transmitted along the optical waveguide. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Inventors: Hyundai Park, Richard Jones
  • Publication number: 20150078708
    Abstract: Provided are an optical coupler and an arrayed-waveguide grating structure including the same. The coupler includes a lower clad layer, a core comprising a slab waveguide region disposed on one side of the lower clad layer and a ridge waveguide region disposed on the other side of the lower clad layer, and an upper clad disposed on the core, wherein the ridge waveguide region comprises a self-focusing region configured to focus an optical signal provided form the slab waveguide region and thus to prevent scattering of the optical signal.
    Type: Application
    Filed: July 11, 2014
    Publication date: March 19, 2015
    Inventors: Jaegyu PARK, Hyundai PARK, Jiho JOO, Myung joon KWACK, Gyungock KIM
  • Publication number: 20150030282
    Abstract: Provided is an optical device including a first optical waveguide on one side of a substrate; a laser separated from the first optical waveguide and disposed on the other side of the substrate; and a first coupled waveguide between the laser and the first optical waveguide. The laser may be monolithically integrated on the substrate.
    Type: Application
    Filed: January 16, 2014
    Publication date: January 29, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyundai PARK, Jaegyu PARK, JiHo JOO, Gyungock KIM