[2] [2] Udd E, Pickrell G, Du H, et al. Fiber optic sensors and applications [J]. Proc. SPIE, 2016, 9852: 985201.

[4] [4] Zou K, Wang L, Chen K, et al. Optimization of reciprocal modulation parameters in resonant fiber optic gyro[J]. J. Lightwave Technol., 2021, 39(17): 5669-5675.

[5] [5] Liu L, Liu S, Ma H, et al. Evaluation and measurement of the lock-in effect in resonant fiber optic gyroscopes[J]. J. Lightwave Technol., 2023, 41(17):5754-5762.

[6] [6] Feng L, Lei M, Liu H, et al. Suppression of backreflection noise in a resonator integrated optic gyro by hybrid phase-modulation technology[J]. Appl. Opt., 2013, 52(8): 1668-1675.

[7] [7] Conteduca D, Arruda G S, Barth I, et al. Beyond Q: the importance of the resonance amplitude for photonic sensors[J]. ACS Photonics, 2022, 9(5): 1757-1763.

[8] [8] He Y, Yang F, Yan W, et al. Phase modulation techniques for suppressing backscattering noise in resonator integrated optic gyroscopes[J]. Chinese Optics, 2019, 12(6): 1403-1417.

[10] [10] Wang Z, Wang G, Wang Z, et al. Incoherence suppression method of optical noises in a resonant fiber optic gyro based on the circularly polarized light propagation mechanism in a resonator[J]. Opt. Lett., 2021, 46(13): 3191-3194.