Mach-Zehnder interferometer using photonic band gap crystals

  • US 6,917,431 B2
  • Filed: 05/15/2002
  • Issued: 07/12/2005
  • Est. Priority Date: 05/15/2001
  • Status: Expired due to Fees
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First Claim
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1. A photonic crystal interferometer comprising a periodic dielectric structure including an input having at least one input waveguide, first and second waveguide arms branching from said input waveguide in which the relative optical path lengths of electromagnetic radiation within said arms are controlled by stimuli, and an output having at least one output waveguide that completely combines the electromagnetic radiation propagating within said first and second waveguide arms, wherein said periodic dielectric structure comprises line defects having a low group velocity.

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