[1] Shu Xue-wen, Zhang Lin, Bennion Ian. Journal of Lightwave Technology, 2002, 20(2): 255.
[2] Han Ming, Wang Yunjing, Wang Yunmiao, et al. Optics Letters, 2009, 34(1): 100.
[3] Tanaka S, Somatomo H, Wada A, Proc. of SPIE, 2009, 7503: 75033C-1.
[4] Simes E, Abe I, Oliveira J, et al. Proc. of SPIE, 2010, 7653: 76531S-1.
[5] Patrick H J, Williams G M, Kersey A D, et al. IEEE Photonics Technology Letter, 1996, 8(9): 1223.
[6] Han Younggeun, Lee Sangbae, Kim Changseok, et al. Optics Express, 2003, 11(5): 476.
[7] Zhao Chunliu, Xiao Limin, Ju Jian, et al. Journal of Lightwave Technology, 2008, 26(2): 220.
[8] Rao Yunjiang, Ran Zengling, Liao Xian, et al. Optics Express, 2007, 15(22): 14936.
[10] Kang Juan, Dong Xinyong, Zhao Chunliu, et al. Optics Communications, 2011, 284: 2145.
[11] Krakenkenes K, Blotekjaer K. Optics Letter, 1989, 14(20): 1152.
[12] Hogan J M, Hammer J, Chiow S W, et al. Optics Letter, 2011, 36(9): 1698.
