Patents by Inventor Kap-Choong KIM

Kap-Choong 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).

  • MULTI-CHANNEL RING-RESONATOR BASED WAVELENGTH-DIVISION-MULTIPLEXING OPTICAL DEVICE
    Publication number: 20090103863
    Abstract: Provided is a wavelength-division-multiplexing (WDM) device. The device includes an input waveguide, a plurality of ring resonators around the input waveguide, a plurality of output waveguides around the plurality of ring resonators, respectively, and at least one tuning clad pattern adjacent to at least one of the ring resonators, the tuning clad pattern covering a portion of a surface of a corresponding ring resonator.
    Type: Application
    Filed: April 29, 2008
    Publication date: April 23, 2009
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jong-Moo LEE, Duk-Jun KIM, Kap-Choong KIM, Gyung-Ock KIM