[3] Ruiyu Hao, Lu Li, Rong Caoyang et al.. Exact chirped multisoliton solutions of the nonlinear Schrdinger equation with varying coefficients[J]. Chin. Opt. Lett., 2005, 3(3): 136～139

[4] Bin Tan, Zhiyong Li, Zhaoying Wang et al.. Wavelength and duration tunable soliton generation from a regeneratively modelocked fiber laser[J]. Chin. Opt. Lett., 2004, 2(10): 604～606

[5] L. F. Mollenauer, R. H. Stolen, J. P. Gordon. Experimental observation of picosecond pulse narrowing and solitons in optical fibers[J]. Phys. Rev. Lett., 1980, 45(13): 1095～1098

[16] Junkichi Satsuma, Nobuo Yajima. Initial value problem of onedimensional selfmodulation of nonlinear waves in dispersive media[J]. Suppl. Prog. Theor. Phys., 1974, 55: 284～306