Patents Assigned to Agere Systems Opto Electronics Guardian Inc.
  • Bias control system for electrooptic devices
    Patent number: 6222965
    Abstract: An optical device includes a substrate formed of an electrooptic material, a waveguide formed in the substrate, an electrically conductive film formed over at least a portion of the waveguide and a source of DC voltage electrically connected to the film for thermally inducing a change in the optical refractive index of the substrate of the optical device.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: April 24, 2001
    Assignee: Agere Systems Opto Electronics Guardian Inc.
    Inventor: Robert W. Smith