Rayleigh backscatter noise in integrated optical resonance gyro

被引：3
|
作者：
Yu, Huaiyong [1 ,2 ]
Zhang, Chunxi [1 ,2 ]
Feng, Lishuang [1 ,2 ]
Hong, Lingfei [1 ]
Liu, Huilan [1 ,2 ]
Wang, Junjie [1 ,2 ]
机构：
[1] Beihang Univ, Inst Optoelect Technol, Beijing 100191, Peoples R China
[2] Beihang Univ, Minist Educ, Key Lab Micronano Measurement Manipulat & Phys, Beijing 100083, Peoples R China
来源：
OPTIK | 2012年 / 123卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Integrated optics devices; Micro-optical devices; Rayleigh backscatter noise; WAVE-GUIDE; MODE;
D O I：
10.1016/j.ijleo.2011.09.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 SiO2 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. (C) 2011 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1364 / 1369
页数：6
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