A fiber Brillouin ring laser made of SPSM fiber is analyzed. The eigenstate of polarization (ESOP) is strictly considered both for the pump and the Stokes light. It is clarified that the laser intensity fluctuation caused by the interaction between two kinds of ESOP is highly suppressed in this structure. The numerical computations using the typical values show that the fluctuation within 7.5% can be realized for the output Stokes light. While this ring-resonator does not offer high-grade performance when applied to the passive resonator fiber optic gyro, it could realize the high-grade performance when applied to the Brillouin fiber optic gyro.
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Tanaka et al. (1997) studied this question.
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