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Method and system for superheterodyne detection of an optical input signal

  • US 20050202793A1
  • Filed: 03/11/2004
  • Published: 09/15/2005
  • Est. Priority Date: 03/11/2004
  • Status: Active Grant
First Claim
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1. A system for superheterodyne detection comprising:

  • a first conversion unit for performing a first heterodyne operation on an optical input signal to generate an electrical IF signal; and

    a second conversion unit electrically coupled to said first conversion unit for performing a second heterodyne operation to generate an electrical output signal suitable for signal processing.

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