Reflectivity-tunable Bragg grating reflectors based on polarization-maintaining few-mode fibers

Chongxi Wang; Zhanhua Huang; Guifang Li; Shan Zhang; Jian Zhao; Ningbo Zhao; Huaiyu Cai; Yinxin Zhang

doi:10.1117/12.2543656

12 March 2020 Reflectivity-tunable Bragg grating reflectors based on polarization-maintaining few-mode fibers

Chongxi Wang, Zhanhua Huang, Guifang Li, Shan Zhang, Jian Zhao, Ningbo Zhao, Huaiyu Cai, Yinxin Zhang

Proceedings Volume 11436, 2019 International Conference on Optical Instruments and Technology: Optical Sensors and Applications; 114360F (2020) https://doi.org/10.1117/12.2543656
Event: 2019 International Conference on Optical Instruments and Technology, 2019, Beijing, China

Abstract

We report a novel device that the reflected intensity of Bragg grating (FBG) inscribed in a polarization-maintaing fewmode fiber (PM-FMF) is tuned by temperature from 56°C to 156°C with a wavelength shift of 1nm and intensity decrease of ~10dBm. The reflection spectrum and corresponding mode coupling are analyzed, the calcultated birefringence B for LP_o1, LP_11a and LP_11b polarized modes are 4.3×10^-4 , 4.6×10^-4 and 4.7×10^-4 , respectively, which agree with the specified birefringence of the PM-FMF, B ~5.0×10^-4.

Citation Download Citation

Chongxi Wang, Zhanhua Huang, Guifang Li, Shan Zhang, Jian Zhao, Ningbo Zhao, Huaiyu Cai, and Yinxin Zhang "Reflectivity-tunable Bragg grating reflectors based on polarization-maintaining few-mode fibers", Proc. SPIE 11436, 2019 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 114360F (12 March 2020); https://doi.org/10.1117/12.2543656

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