Silica Waveguide-Type Ring Resonators for Resonant Micro-Optic Gyroscopes

被引：1

作者：

Lin, Yi ^{[1
]}

Zhang, Jianjie ^{[1
]}

Li, Hanzhao ^{[1
]}

Ma, Huilian ^{[1
]}

Jin, Zhonghe ^{[1
]}

机构：

[1] Zhejiang Univ, Sch Aeronaut & Astronaut, Hangzhou 310027, Zhejiang, Peoples R China

来源：

AOPC 2017: OPTOELECTRONICS AND MICRO/NANO-OPTICS | 2017年 / 10460卷

基金：

中国国家自然科学基金;

关键词：

Sagnac effect; resonant micro-optic gyroscope; waveguide-type ring resonator;

D O I：

10.1117/12.2281220

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The resonant micro-optic gyroscope (RMOG) is an attractive candidate for inertial rotation sensors requiring small, light and robust gyros. A high-performance RMOG needs a low-loss and high finesse waveguide-type ring resonator (WRR). Two general configurations of the WRRs which are made of Ge-doped silica core waveguides based on plasma enhanced chemical vapor deposition including the reflector-type and the transmitter-type are introduced. The reflector-type WRR with a length of 7.9 cm and a diameter of 2.5 cm has a finesse of 196.7 and a resonant depth of 98%. In addition, it's pigtailed with single-polarization fiber to reduce the polarization error. The transmitter-type WRR with a length of 15.9 cm and a diameter of 5.06 cm has a finesse of 128 and a resonant depth of 95%. The waveguide loss low as 0.007 dB/cm has been measured, leading to the shot-noise limited sensitivity of 1.0 degrees/h when the average optical power at the input of the photodetector is 1 mW and the detecting bandwidth is 1 Hz.

引用

页数：4

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