1. G. P. Agrawal, Nonlinear Fiber Optics, Third Edition & Applications of Nonlinear Fiber Optics, translated by JIA Dongfang, YU Zhen-hong and TAN Bin, Beijing: Publishing House of Electronics Industry, 266 (2002).
2. Nan Y B, Lou C Y, Wang J P, Huo L and Yang Y F, Optics Communications 256, 428 (2005).
3. Wen Y J and Chae C J, Optics Communications 260, 691 (2006).
4. WU Jian, LI Yu-hua, LOU Cai-yun and GAO Yi-zhi, Acta Optica Sinica 20, 325 (2000). (in Chinese)
5. Kano H and Hamaguchi H, Applied Physics Letters 85, 4298 (2004).