[1] Xiaoqin Li, Yong Zhu, Hao Mei, Chao Wang and Wei Wei,Journal of Optoelectronics Laser 22, 980 (2011). (inChinese)

[2] Jinting Zhao, Zhengrong Tong, Xiufeng Yang, Hui Yu and Bin Yao, Journal of Optoelectronics Laser 21, 1777 (2010).(in Chinese)

[3] Rajneesh K. Verma and Banshi D. Gupta, J. Opt. Soc. Am. A27, 846 (2010).

[4] Yu-Chun Lu, Wei-Ping Huang and Shui-Sheng Jian, Journal of Lightwave Technology 27, 4804 (2009).

[5] Jaw-Luen Tang and Jien-Neng Wang, Sensors 8, 171 (2008).

[6] Yanina Y. Shevchenko and Jacques Albert, Optics Letters 32,211 (2007).

[7] Kuei-Chu Hsu, Nan-Kuang Chen, Cheng-Ling Lee, Yu-Syun Chih, Pei-Jhuang, Yinchieh Lai and Chinlon Lin, Journal of Lightwave Technology 28, 1057 (2010).

[8] Tobias Schuster, Reinhold Herschel, Niels Neumann and Christian G. Schaffer, Journal of Lightwave Technology 30, 1003(2012).

[9] Huai Wei, Zhi Tong, Muguang Wang and Shuisheng Jian,Acta Optic Sinica 23, 931 (2003). (in Chinese)

[10] Mitsuhiro Iga, Atsushi Seki and Kazuhiro Watanabe, Sensors and Actuators B 106, 363 (2005).

[11] Jaw-Luen Tang, Shu-Fang Cheng, Wei-Ting Hsu, Tsung-Yu Chiang and Lai-Kwan Chau, Sensors and Actuators B 119,105 (2006).

[12] A. Iadicicco, S. Campopiano, D. Paladino, A. Cutolo, A. Cusano and W. Bock, Sensors and Microsystems: AISEM2009 Proceedings, 133 (2009).

[13] Turan Erdogan, J. Opt. Soc. Am. A 14, 1760 (1997).

[14] Li Min, Liao Yanbiao and Shi Chunzheng, Acta Photonica Sinica 29, 171(2000). (in Chinese)

[15] Yuquan Li and Min Cui, Optical Waveguide Theory and Technology, 1st ed, Beijing: Posts & Telecommunications Press, 157 (2002). (in Chinese)

[16] Edward D. Palik, Handbook of Optical Constants of Solids,1st ed, New York: Academic Press, 350 (1985).

[17] Nicholas D. Rees, Stephen W. James and Ralph P. Tatam, Opt. Lett. 27, 686 (2002).