[1] Tajima K.Compensation of soliton broadening in nonlinear optical fibers with loss. Opt Lett,1987,12(1): 54

[2] Lima J L S, Sombra A S B.Soliton and quasi-soliton swithing in nonlinear optical loop mirrorconstructed from dispersion-decreasing fiber.Optics Communication,1999,163: 292～300

[3] Silva M G da, Nobrega K Z, Sombra A S B.Analysis of soliton swithing in dispersion-decreasing fiber couplers.Optics Communication,1999,171: 351～364

[4] Agrawal G P.Nonlinear Fiber Optics.Academic Press, New York, 1989.61～64

[6] Agrawal G P.Nonlinear Fiber Optics.Academic Press, New York, 1989.86