Patents by Inventor Hyuek Lee

Hyuek 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).

  • Optical wavelength conversion apparatus and method using injection locking of fabry-perot laser diode
    Publication number: 20050100267
    Abstract: Disclosed are an apparatus and method for converting the wavelength of an optical signal using a multi-mode Fabry-Perot laser diode. The apparatus controls polarization of an external pump optical signal to output a TE polarized pump optical signal, and controls polarization of a probe optical signal to output a TM polarized probe optical signal. The apparatus couples the TM polarized probe optical signal and TE polarized pump optical signal irrespective of the polarization of the optical signals. The apparatus finely controls the polarization of the pump optical signal and the polarization of the probe optical signal such that they conform to TE and TM modes of the Fabry-Perot laser diode, respectively.
    Type: Application
    Filed: April 28, 2004
    Publication date: May 12, 2005
    Inventors: Hark Yoo, Hyuek Lee, Yong Jeong, Yong Hyub Won, Min Kang