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Integrated opto-electronic oscillators

  • US 20050286602A1
  • Filed: 06/08/2005
  • Published: 12/29/2005
  • Est. Priority Date: 06/09/2004
  • Status: Active Grant
First Claim
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1. An opto-electronic device, comprising:

  • a substrate;

    first and second waveguides formed on the substrate;

    a first grating coupler formed in the first waveguide to couple input light incident to the substrate into the first waveguide;

    an optical resonator in optical communication with the first and second waveguides to exchange light;

    an optical modulator coupled to the first waveguide and operable to modulate light in the first waveguide in response to an electrical modulation signal;

    a photodetector positioned on the substrate to receive and convert an optical output from the second waveguide into an electrical signal; and

    an electrical link coupled between the photodetector and the optical modulator to produce the electrical modulation signal from said electrical signal.

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