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On-chip programmable optical crossbar switch

  • US 7,310,459 B1
  • Filed: 10/25/2005
  • Issued: 12/18/2007
  • Est. Priority Date: 10/25/2005
  • Status: Active Grant
First Claim
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1. An integrated circuit comprising:

  • an on-chip optical waveguide configured to carry a plurality of optical channels;

    a first output selectively coupling a first optical channel througha first optical ring resonator,an intermediate waveguide, anda second optical ring resonator to the on-chip optical waveguide, the intermediate waveguide being disposed between the first optical ring resonator and the second optical ring resonator;

    a second output;

    a third optical ring resonator selectively coupling a second optical channel from the on-chip optical waveguide to the second output; and

    an optical pump source optically coupled to the intermediate waveguide.

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