TY - JOUR
T1 - Rayleigh backscatter noise in integrated optical resonance gyro
AU - Yu, Huaiyong
AU - Zhang, Chunxi
AU - Feng, Lishuang
AU - Hong, Lingfei
AU - Liu, Huilan
AU - Wang, Junjie
PY - 2012/8
Y1 - 2012/8
N2 - Rayleigh backscatter noise in integrated optical resonance gyroscope (IORG) is researched both in theoretically and experimentally. The characteristics of Rayleigh backscatter noise in the resonator of SiO 2 on Si substrate are formulized, and the static state and dynamic state models of IORG are constructed. The relationship between the optical signal and Rayleigh backscatter noise is simulated, and the affection between the interference signal of Rayleigh backscatter noise and reverse optical signal is also calculated. The degree of degrading the performance of resonator due to Rayleigh backscatter noise is analyzed, such as finesse and fundamental detection limit. The relationship between the line-width of the tunable laser and the intensity of transmit light and Rayleigh backscatter noise is simulated. Through the theory of modulation, the method of inflicting two different frequencies to the arm of integrated optical modulator is presented. The verified experiment result showed that the saw-tooth wave modulation could effectively restrain Rayleigh backscatter noise in IORG.
AB - Rayleigh backscatter noise in integrated optical resonance gyroscope (IORG) is researched both in theoretically and experimentally. The characteristics of Rayleigh backscatter noise in the resonator of SiO 2 on Si substrate are formulized, and the static state and dynamic state models of IORG are constructed. The relationship between the optical signal and Rayleigh backscatter noise is simulated, and the affection between the interference signal of Rayleigh backscatter noise and reverse optical signal is also calculated. The degree of degrading the performance of resonator due to Rayleigh backscatter noise is analyzed, such as finesse and fundamental detection limit. The relationship between the line-width of the tunable laser and the intensity of transmit light and Rayleigh backscatter noise is simulated. Through the theory of modulation, the method of inflicting two different frequencies to the arm of integrated optical modulator is presented. The verified experiment result showed that the saw-tooth wave modulation could effectively restrain Rayleigh backscatter noise in IORG.
KW - Integrated optics devices
KW - Micro-optical devices
KW - Rayleigh backscatter noise
UR - https://www.scopus.com/pages/publications/84863494157
U2 - 10.1016/j.ijleo.2011.09.003
DO - 10.1016/j.ijleo.2011.09.003
M3 - 文章
AN - SCOPUS:84863494157
SN - 0030-4026
VL - 123
SP - 1364
EP - 1369
JO - Optik
JF - Optik
IS - 15
ER -