Application of a step-phase interferometer in optical communication

  • US 6,587,204 B2
  • Filed: 03/06/2001
  • Issued: 07/01/2003
  • Est. Priority Date: 12/27/2000
  • Status: Expired due to Term
First Claim
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1. An optical step-phase interferometer, comprising:

  • a beamsplitter to separate an incident beam of light into a first beam of light and a second beam of light;

    a reflector operatively positioned to reflect said first beam of light to produce a first reflected beam; and

    a non-linear phase generator (NLPG) operatively positioned to reflect said second beam of light to produce a second reflected beam, wherein said first reflected beam and said second reflected beam interfere with one another, wherein the frequency dependence of the phase difference between said first reflected beam and said second reflected beam has a step-like function.

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