[1] Chen Lujin, Liang Changhong. Soliton theory and application. Xi’an: Publishing house of university of electronic science and technology of Xi’an, 1997. 320～324 (in Chinese)

[2] G. P. Agrawal. Induced focusing of optical beams in self-defocusing nonlinear media. Phys. Rev. Lett., 1990, 64(21):2487～2490

[3] A. J. Stentz, M. Kauranen, J. J. Maki et al.. Induced focusing and spatial wave breaking from cross-phase modulation in a self-defocusing medium. Opt. Lett., 1992, 17(1):19～21

[4] G. P. Agrawal, P. L. Baldeck, R. R. Alfano. Optical wave breaking and pulse compression due to cross-phase modulation in optical fibers. Opt. Lett., 1989, 14(2):137～139

[5] G. P. Agrawal. Nonlinear Fiber Optics. Academic Press Inc., 1989. 189～235