Patents by Inventor Chung Ghiu Lee

Chung Ghiu Lee 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 pulse-amplitude equalization of rational harmonic mode-locked optical signal
    Patent number: 7596325
    Abstract: A method and an apparatus for pulse-amplitude equalization of rational harmonic mode-locked optical pulses provides modulation voltages greater than a switching voltage of a dual-electorde Mach-Zehnder modulator to electrodes of the Mach-Zehnder modulator, so that rational harmonic mode-locked optical pulses experience the same transmission coefficient through the Mach-Zehnder modulator, to thereby achieve amplitude-equalized rational harmonic mode-locked optical pulse trains.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: September 29, 2009
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Chang Soo Park, Yun Jong Kim, Chung Ghiu Lee