×

Electronic semiconductor control of light in optical waveguide

  • US 6,748,125 B2
  • Filed: 05/17/2001
  • Issued: 06/08/2004
  • Est. Priority Date: 05/17/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for altering the propagation constant level of a region of changeable propagation constant of a waveguide in an optical device, the method comprising:

  • positioning a planar electrode proximate the waveguide;

    projecting a region of changeable propagation constant into the waveguide that substantially corresponds in shape to the planar electrode shape, by applying a voltage to the planar electrode; and

    controlling a propagation constant level of the region of changeable propagation constant by varying the voltage.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×