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Optical SSB modulator

  • US 20050220385A1
  • Filed: 03/22/2005
  • Published: 10/06/2005
  • Est. Priority Date: 03/24/2004
  • Status: Active Grant
First Claim
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1. An optical single side band (SSB) modulator comprising one or more sub Mach-Zehnder waveguides, wherein:

  • an output portion of at least one sub Mach-Zehnder waveguide among the sub Mach-Zehnder waveguides has an X-branching form; and

    among two waveguides stretching from the X-branching formed output portion, one waveguide is connected to a photodetector for measuring a light intensity, and a remaining waveguide is a waveguide for an output light from the optical modulator.

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