Chinese Optics Letters, 2019, 17 (3): 031301, Published Online: Mar. 8, 2019  

Wide-range optical sensors based on a single ring resonator with polarization multiplexing Download: 592次

Author Affiliations
1 State Key Laboratory of Modern Optical Instrumentation, Centre for Integrated Optoelectronics, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China
2 Department of Optical Engineering, School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China
Abstract
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.

Yongheng Yue, Huihui Zhu, Ziwei Cao, Jianjun He, Mingyu Li. Wide-range optical sensors based on a single ring resonator with polarization multiplexing[J]. Chinese Optics Letters, 2019, 17(3): 031301.

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