[4] [4] LIU N,NIU Y X,FENG L S,et al.Passive compensation of intensity and polarization-induced noise by a quadrature demodulation technique in a resonator optic gyroscope［J］.Applied Optics,2018,57(29):8711-8719.

[6] [6] LI Z Y,HE N,SUN X Q,et al.Analysis of resonance asymmetry phenomenon in resonant fiber optic gyro［J］.Sensors,2018,18(3):696.

[7] [7] YU X H,MA H L,JIN Z H.Improving thermal stability of a resonator fiber optic gyro employing a polarizing resonator［J］.Optics Express,2013,21(1):358-369.

[8] [8] ZHANG G H,YU Z Q,XU Z B,et al.Laser frequency noise measurement in a resonant fiber optic gyro［J］.Optik,2018, 175:296-303.

[9] [9] YING D Q,MA H L,JIN Z H.Resonator fiber optic gyro using the triangle wave phase modulation technique［J］.Optics Communications,2008,281(4):580-586.

[10] [10] ZHANG H S,CHEN X F,SHU X W,et al.Fiber optic gyroscope noise reduction with fiber ring resonator［J］.Applied Optics,2018,57(25):7391-7397.

[11] [11] HONG L F,ZHANG C X,FENG L S,et al.Effect of phase modulation nonlinearity in resonator micro-optic gyro［J］.Optical Engineering,2011,50(9):62-65.