Patents by Inventor Byoungi-whi Kim

Byoungi-whi Kim 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).

  • Method and apparatus for controlling reflective semiconductor optical amplifier (RSOA)
    Patent number: 8364043
    Abstract: A method and apparatus for controlling a reflective semiconductor optical amplifier (RSOA) are provided. The RSOA control apparatus sets a threshold current at which a light source starts to oscillate to be constant regardless of a wavelength of seed light by controlling a driving temperature for driving a RSOA, and adjusts an optical characteristic which is differently output for each wavelength of seed light to be constant by controlling a driving current.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: January 29, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jie-hyun Lee, Seung-hyun Cho, Byoungi-whi Kim, Jea-hoon Yu, Jai-sang Koh
  • METHOD AND APPARATUS FOR CONTROLLING REFLECTIVE SEMICONDUCTOR OPTICAL AMPLIFIER (RSOA)
    Publication number: 20100150574
    Abstract: A method and apparatus for controlling a reflective semiconductor optical amplifier (RSOA) are provided. The RSOA control apparatus sets a threshold current at which a light source starts to oscillate to be constant regardless of a wavelength of seed light by controlling a driving temperature for driving a RSOA, and adjusts an optical characteristic which is differently output for each wavelength of seed light to be constant by controlling a driving current.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 17, 2010
    Inventors: Jie-hyun LEE, Seung-hyun Cho, Byoungi-whi Kim, Jea-hoon Yu, Jai-sang Koh