Wide-range optical sensors based on a single ring resonator with polarization multiplexing

被引:5
|
作者
Yue, Yongheng [1 ]
Zhu, Huihui [1 ]
Cao, Ziwei [1 ]
He, Jianjun [1 ]
Li, Mingyu [1 ,2 ]
机构
[1] Zhejiang Univ, Coll Opt Sci & Engn, Ctr Integrated Optoelect, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Changchun Univ Sci & Technol, Sch Optoelect Engn, Dept Opt Engn, Changchun 130022, Jilin, Peoples R China
基金
中国国家自然科学基金;
关键词
MACH-ZEHNDER INTERFEROMETER; HIGH-SENSITIVITY; DESIGN;
D O I
10.3788/COL201917.031301
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Wide-range optical sensors based on a single ring resonator are investigated theoretically and experimentally. The sensor worked at the TE and TM modes simultaneously. Because the sensitivities of the TE mode and TM mode are different, the TE mode is used for the large measurement range, and the TM mode is used for the high sensitivity measurement. The experimental results showed that the measurement range for the TE mode was almost three times larger than that of the TM mode. A sensitivity of 233 nm/RIU was achieved for the wavelength interrogation of the TM mode.
引用
收藏
页数:3
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