Abstract

A photonic crystal fiber ring resonator (PCF-RR), constructed with a length of high-birefringence PCF and a conventional polarization-maintaining (PM) coupler whose pigtail fiber is of PANDA type, is fabricated. The resonating curve of the PCF-RR is experimentally obtained with the finesse about 14. Moreover, the backscattering curve of the PCF-RR is measured and the in-cavity equivalent backscattering coefficient is estimated. In addition, the shot-noise limited sensitivity (SLS) of resonant fiber optic gyroscope (RFOG) equipped with the fabricated PCF-RR is numerically calculated and disscussed.

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