[1] M. H. Zhou, X. Y. Dong, J. Y. Yang, L. I. Yi, S. Q. Zhang, S. Z. Jin. J. Optoelectron. Laser, 27, 587(2016).
[2] M. Zhou, X. Dong, X. Liu. International Conference on Optical Communications and Networks, 1(2017).
[3] Y. Zhang, Z. Liu, Z. Guo, S. Yuan, D. Feng, X. Dong, C. Yao. Acta Opt. Sin., 22, 89(2002).
[4] Y. Zhang, Y. Ren, M. Dong, F. Meng, L. Zhu. Chin. Opt. Lett., 16, 120601(2018).
[6] Y. Wang, C. Fu, C. Liao, Y. Wang. Australian Conference on Optical Fibre Technology, JM6A.31(2016).
[7] M. Jiang, Z.-M. Wang, Z.-Z. Zhao, K. Li, F. Yang. Sensor Rev., 38, 79(2018).
[8] J. Xing, J. Wen, J. Wang, F. Pang, Z. Chen, Y. Liu, T. Wang. Chin. Opt. Lett., 16, 100604(2018).
[9] X. Dong, Z. Xie, Y. Song, K. Yin, D. Chu, J. A. Duan. Chin. Opt. Lett., 15, 090602(2017).
[10] Q. Wu, Y. Semenova, P. Wang, G. Farrell. J. Opt., 13, 125401(2011).
[11] W. Wang, X. Dong, D. Chu, Y. Hu, X. Sun, J.-A. Duan. AIP Adv., 8, 055104(2018).
[12] B. Gu, W. Qi, J. Zheng, S. Ping, F. Luan. Asia Communications and Photonics Conference, AF4H.2(2013).
[13] B. Gu, W. Qi, J. Zheng, Y. Zhou, P. P. Shum, F. Luan. Opt. Lett., 39, 22(2014).
[14] B. Gu, W. Qi, Y. Zhou, J. Zheng, S. Ping, F. Luan. Optical Fiber Communications Conference and Exhibition, Th2A.34(2014).
[16] L. C. Bobb, P. M. Shankar, H. D. Krumboltz. J. Lightwave Technol., 8, 1084(1990).
[17] Q. Wu, Y. Semenova, P. Wang, G. Farrell. Opt. Express, 19, 7937(2011).
[18] J. Zheng, L. Pei, T. Ning, J. Li, C. Zhang, S. Ma, Z. Ruan. Opt. Express, 26, 9182(2018).
[19] Q. Wang, G. Farrell. Opt. Lett., 31, 317(2006).
[20] Y. Xu, P. Lu, J. Song, L. Chen, X. Bao, X. Dong. IEEE Sensors, 1(2013).
[21] R. Falate, O. Frazão, G. Rego, J. L. Fabris, J. L. Santos. Appl. Opt., 45, 5066(2006).