Patents Represented by Attorney, Agent or Law Firm Joseph E. Maehner
  • Planar optical waveguide with core barrier
    Patent number: 6603917
    Abstract: A waveguide optical amplifier is disclosed. The waveguide optical amplifier includes a generally planar substrate and a lower cladding disposed on the substrate. A first barrier is disposed on the lower cladding and a core is disposed on at least a portion of the first barrier.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: August 5, 2003
    Assignee: Photon-X, Inc
    Inventors: Kazuya Takayama, Donald S. Bitting, Robert A. Norwood