Patents by Inventor Boo-Gyoun Kim

Boo-Gyoun 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).

  • Fused vertical coupler for switches, filters and other electro-optic devices
    Patent number: 6385376
    Abstract: A vertical directional coupler fabricated using wafer fusion with a very short coupling length for fabrication of switches, filters and other electro-optic devices. Using the fused vertical coupler, planar waveguides can be fabricated on two different substrates in a three-dimensional structure in which there is vertical coupling between arrays through fused regions. Switches, including crossbar switches based on coupling between independent arrays of waveguides, as well as filters, can be fabricated.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: May 7, 2002
    Assignee: The Regents of the University of California
    Inventors: John E. Bowers, Bin Liu, Patrick Abraham, Boo-Gyoun Kim, Ali Shakouri