Mach-Zehnder interferometer using photonic band gap crystals

Optics: measuring and testing – By light interference – Using fiber or waveguide interferometer

Reexamination Certificate

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Reexamination Certificate

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06917431

ABSTRACT:
A photonic crystal optical switch having a periodic dielectric structure including at least one input waveguide. First and second waveguide arms branch from the input waveguide in which the relative optical path lengths of electromagnetic radiation within the arms are controlled by stimuli. At least one output waveguide that combines the electromagnetic radiation propagating within the first and second waveguide arms.

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