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Optical switch having a reflective component

  • US 7,373,038 B2
  • Filed: 11/10/2006
  • Issued: 05/13/2008
  • Est. Priority Date: 10/15/2002
  • Status: Expired due to Term
First Claim
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1. An optical switching device, comprising:

  • a substrate;

    a first waveguide disposed on the substrate, the first waveguide capable of carrying an optical signal;

    a second waveguide disposed on the substrate, the second waveguide capable of carrying the optical signal, the second waveguide intersecting the first waveguide at an angle to define an intersection region;

    means for diverting at least a portion of the optical signal from one of said waveguides to the other waveguide at the intersection region; and

    means for reflecting the portion of the optical signal when the portion of the optical signal is in one of said waveguides, wherein said means for reflecting comprises;

    a reflective element located at one end of the first waveguide that reflects an optical signal incident thereon back along the first waveguide.

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