Patents Assigned to Way-Seen Wang
  • Arrayed waveguide grating device
    Patent number: 7302138
    Abstract: The present invention comprises an arrayed waveguide grating member, a taper multimode interference coupler and a taper optical attenuator to uniform and flatten a passband in an optical device.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: November 27, 2007
    Assignee: Way-Seen Wang
    Inventor: Hung-Chih Lu