Photonic crystal interferometer

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

Reexamination Certificate

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Reexamination Certificate

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11141286

ABSTRACT:
A sensor apparatus comprising a photonic crystal structure optically coupled to a laser, the photonic crystal structure comprising a beam splitter, an interferometer having a reference arm and a sensor arm, a first output configured to be optically coupled to a bright port photodetector, and a second output configured to be optically coupled to a dark port photodetector.

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