Novel all in-line photonic crystal fiber interferometer with liquid crystal transducer

A novel in-line photonic crystal fiber interferometer, in the Sagnac configuration consisted of a fused photonic coupler and a liquid crystal transducer is proposed and demonstrated for the first time to our best knowledge. System optimization for 532 nm wavelength is based on properties of the liquid crystal mixture, infiltrating air-holes of the photonic crystal fiber protecting its endlessly single mode operation. The fundamental device properties for the different applied temperature is demonstrated and discussed.

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