Patents by Inventor Hsu-Feng Chou

Hsu-Feng Chou 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: 11837509
    Abstract: A method of packaging the silicon photonics wafer for fabricating custom optical-electrical modules includes fabricating a wafer with multiple dies of silicon photonics circuits based on custom design and conducting electrical and optical tests of the silicon photonics circuits in wafer level. The method further includes preparing the wafer for next point of use. Additionally, the method includes performing post-wafer processing on the wafer received at the next point of use. The method further includes conducting post-process electrical tests of the silicon photonics circuits in wafer level. Furthermore, the method includes preparing the wafer with known-good-dies or a known-good-wafer identified for custom use. Moreover, the method includes performing custom process on the know good dies.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: December 5, 2023
    Assignee: MARVELL ASIA PTE LTD
    Inventors: Hsu-Feng Chou, Keith Nellis, Loi Nguyen
  • Patent number: 9423561
    Abstract: An apparatus to attach a fiber block to a silicon waveguide. The apparatus includes a holder base holding a portion of an array of optical fibers aligned optically in multiple slots in parallel. The apparatus further includes a holder cap combined with the holder base for fixing the portion of the fibers and leaving the fibers free with arbitrary length beyond a first edge of the holder base but keeping only additional second length of the fibers beyond a second edge of the holder base with fiber ending facets at the second length. Additionally, the apparatus includes a silicon photonics waveguide chip including an attachment section connected to a waveguide section. The attachment section includes multiple grooves laid in parallel for respectively attaching with the second length of the fibers so that the fiber ending facets are coupled to multiple waveguides formed in parallel in the waveguide section.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: August 23, 2016
    Assignee: INPHI CORPORATION
    Inventors: Hsu-Feng Chou, Masaki Kato, Radhakrishnan L. Nagarajan
  • Patent number: 7196833
    Abstract: An apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery using a traveling-wave electroabsorption modulator. The apparatus includes a TW-EAM and a PLL coupled thereto. The TW-EAM includes a first, a second, a third, and a fourth. The first port is used for an optical input and the third port is used for optical output. The second port is coupled to an input, and the fourth port is coupled to an output, of the PLL. When the first port receives optical input, the second port produces a photocurrent to be applied to the PLL, and the fourth port receives a recovered clock produced by the PLL, and the third port produces demultiplexed data and an optical clock. Using the same configuration, the apparatus produces a recovered optical clock signal.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: March 27, 2007
    Assignees: KDDI R&D Laboratories, Inc., The Regents of the University of California
    Inventors: Zhaoyang Hu, Kohsuke Nishimura, Hsu-Feng Chou, Daniel J. Blumenthal, John E. Bowers, Ryo Inohara, Masashi Usami
  • Patent number: 7184189
    Abstract: An apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery using a traveling-wave electroabsorption modulator. The apparatus includes a TW-EAM and a PLL coupled thereto. The TW-EAM includes a first, a second, a third, and a fourth. The first port is used for an optical input and the third port is used for optical output. The second port is coupled to an input, and the fourth port is coupled to an output, of the PLL. When the first port receives optical input, the second port produces a photocurrent to be applied to the PLL, and the fourth port receives a recovered clock produced by the PLL, and the third port produces demultiplexed data and an optical clock. Using the same configuration, the apparatus produces a recovered optical clock signal.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: February 27, 2007
    Assignees: KDDI R&D Laboratories, Inc., The Regents of the University of California
    Inventors: Zhaoyang Hu, Kohsuke Nishimura, Hsu-Feng Chou, Daniel J. Blumenthal, John E. Bowers, Ryo Inohara, Masashi Usami
  • Publication number: 20060056854
    Abstract: An apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery using a traveling-wave electroabsorption modulator. The apparatus includes a TW-EAM and a PLL coupled thereto. The TW-EAM includes a first, a second, a third, and a fourth. The first port is used for an optical input and the third port is used for optical output. The second port is coupled to an input, and the fourth port is coupled to an output, of the PLL. When the first port receives optical input, the second port produces a photocurrent to be applied to the PLL, and the fourth port receives a recovered clock produced by the PLL, and the third port produces demultiplexed data and an optical clock. Using the same configuration, the apparatus produces a recovered optical clock signal.
    Type: Application
    Filed: August 23, 2005
    Publication date: March 16, 2006
    Applicants: KDDI R&D Laboratories Inc., The Regents of the University of California
    Inventors: Zhaoyang Hu, Kohsuke Nishimura, Hsu-Feng Chou, Daniel Blumenthal, John Bowers, Ryo Inohara, Masashi Usami
  • Publication number: 20060056853
    Abstract: An apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery using a traveling-wave electroabsorption modulator. The apparatus includes a TW-EAM and a PLL coupled thereto. The TW-EAM includes a first, a second, a third, and a fourth. The first port is used for an optical input and the third port is used for optical output. The second port is coupled to an input, and the fourth port is coupled to an output, of the PLL. When the first port receives optical input, the second port produces a photocurrent to be applied to the PLL, and the fourth port receives a recovered clock produced by the PLL, and the third port produces demultiplexed data and an optical clock. Using the same configuration, the apparatus produces a recovered optical clock signal.
    Type: Application
    Filed: August 23, 2005
    Publication date: March 16, 2006
    Applicants: KDDI R&D Laboratories Inc., The Regents of the University of California
    Inventors: Zhaoyang Hu, Kohsuke Nishimura, Hsu-Feng Chou, Daniel Blumenthal, John Bowers, Ryo Inohara, Masashi Usami
  • Publication number: 20050018271
    Abstract: An apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery using a traveling-wave electroabsorption modulator. The apparatus includes a TW-EAM and a PLL coupled thereto. The TW-EAM includes a first, a second, a third, and a fourth. The first port is used for an optical input and the third port is used for optical output. The second port is coupled to an input, and the fourth port is coupled to an output, of the PLL. When the first port receives optical input, the second port produces a photocurrent to be applied to the PLL, and the fourth port receives a recovered clock produced by the PLL, and the third port produces demultiplexed data and an optical clock. Using the same configuration, the apparatus produces a recovered optical clock signal.
    Type: Application
    Filed: March 16, 2004
    Publication date: January 27, 2005
    Applicants: KDDI R&D Laboratories Inc., The Regents of the University of California
    Inventors: Zhaoyang Hu, Kohsuke Nishimura, Hsu-Feng Chou, Daniel Blumenthal, John Bowers, Ryo Inohara, Masashi Usami