Patents Examined by Michell B. Connely-Cushwa
  • Optical waveguide crossing and method of making same
    Patent number: 6674950
    Abstract: A photonic device including: at least first and second optical waveguides; and, a buffer at least partially interposed between the first and second optical waveguides where they at least partially overlie one-another so as to at least partially mitigate interference between optical signals traversing the first and second optical waveguides.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: January 6, 2004
    Assignee: Sarnoff Corporation
    Inventors: Liyou Yang, Nagandranath Maley