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Optical detector configuration and utilization as feedback control in monolithic integrated optic and electronic arrangements

  • US 20060083144A1
  • Filed: 10/19/2005
  • Published: 04/20/2006
  • Est. Priority Date: 10/19/2004
  • Status: Active Grant
First Claim
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1. A monolithic opto-electronic feedback arrangement for controlling the light in at least one optical device formed within a silicon-on-insulator (SOI) structure, the monolithic feedback arrangement formed within the same SOI structure and comprising at least one optical photodetecting device disposed to receive a portion of an optical signal propagating through the at least one optical device so as to measure the output optical signal power from the at least one optical device;

  • and a control electronics module, responsive to the output signal from the at least one optical photodetecting device, for comparing the measured output signal power to predetermined values and applying a feedback control signal to the at least one optical device based upon the comparison.

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