[1] [1] Takachio N, Suzuki H. Application of Raman-distributed amplification to WDM transmission systems using dispersion-shifted fiber［J］. Journal of Lightwave Technology, 2001, 19(1): 60-69.

[2] [2] Diaz S, Abad S, Lopez-Amo M. Fiber-optic sensor active networking with distributed erbium-doped fiber and Raman amplification［J］. Laser& Photonics Reviews, 2008, 2(6): 480-497.

[3] [3] Bednyakova A E, Fedoruk M P, P Harper, et al. Hybrid gain-flattened and reduced power excursion scheme for distributed Raman amplification［J］. Optics Express, 2013, 21(24): 29140-29144.

[4] [4] Jia X H, Rao Y J, Wang Z N, et al. Distributed Raman amplification using ultralong fiber laser with a ring cavity: characteristics and sensing application［J］. Optics Express, 2013, 21(21): 21208-21217.

[5] [5] Agrawal G P. Nonlinear fiber optics［M］. Amsterdam: Elsevier, 2003.

[6] [6] Vizoso B, Matías I R, Lpez-Amo M, et al. Design and application of double amplified recirculating ring structure for hybrid fiber buses［J］. Optical and Quantum Electronics,1996, 27(10): 847-857.

[7] [7] Menashea D, Bayartb D, Borneb S. Lumped Raman fiber amplifiers based on highly non-linear photonic crystal fiber［C］. Proc.SPIE, 2008, 6990: 699008.

[8] [8] Aysha Muhsina K, Subha P A. Spatial solitons in a medium with lumped amplification and dissipation［J］. Journal of Nonlinear Optical Physics & Materials, 2015 24(1): 1550011.

[9] [9] Chang C C, Weiner A M, Vengsarkar A M, et al. Broadband fiber dispersion compensation for sub-100-fs pulses with a compression ratio of 300［J］. Optics Letters,1996, 21(15): 1141-1143.

[10] [10] Tang Y X, Liu Z W, Fu W, et al. Self-similar pulse evolution in a fiber laser witha comb-like dispersion-decreasing fiber［J］. Optics Letters, 2016, 41(10): 2290.

[11] [11] Richardson D J, Chamberlin R P, Dong L, et al. High quality soliton loss-compensation in 38 km dispersion-decreasing fiber［J］. Electronics Letters, 1995, 31(19): 1681-1682.

[12] [12] Stentz A J, Boyd R W, Evans A F. Dramatically improved transmission of ultrashort solitons through 40 km of dispersion-decreasing fiber［J］. Optics Letters, 1995, 20(17): 1770-1772.

[13] [13] Richardson D J, Dong L, Chamberlin R P, et al. Periodically amplified system based on loss compensating dispersion decreasing fiber［J］. Electron Letter,1996, 32(4): 373-374.

[14] [14] Serkin V N, Hasegawa A. Novel soliton solutions of the nonlinear Schrdinger equation model［J］. Physical Review Letters, 2000, 85(21): 4502-4505.

[15] [15] Serkin V N, Belyaeva T L. Optimal control of optical soliton parameters: Part 1. The Lax representation in the problem of soliton management［J］. Quantum Electronics, 2001, 31(11): 1007-1015.

[16] [16] Kruglov V I, Peacock A C, Harvey J D. Exactself-similar solutions of the generalized nonlinear Schrdinger equation with distributed coefficients［J］. Physical Review Letters, 2003, 90(11): 113902.

[17] [17] Hao R Y, Li L, Li Z H, et al. A new approach to exact soliton solutions and soliton interaction for the nonlinear Schrdinger equation with variable coefficients［J］. Optics Communications, 2004, 236(1-3): 79-86.

[18] [18] Yang R C, Hao R Y, Li L, et al. Exact gray multi-soliton solutions for nonlinear Schrdinger equation with variable coefficients［J］. Optics Communications, 2005, 253(1-3): 177-185.

[19] [19] Hu Wencheng, Zhang Jiefang, Huang Wenhua, et al. Transmission control of line optical rogue waves in two-dimension graded-index waveguides［J］. Acta Optica Sinica, 2015, 35(7): 0719001.

[20] [20] Li M,Tian B, Liu W J, et al. Soliton-like solutions of a derivative nonlinear Schrdinger equation with variable coefficients in inhomogeneous optical fibers［J］. Nonlinear Dynamics, 2010, 62(4): 919-929.

[21] [21] Chai H P, Tian B, Wang Y F, et al. Analytic study on the generalized (3+1)-dimensional nonlinear Schrdinger equation with variable coefficients in the inhomogeneous optical fiber［J］. Nonlinear Dynamics, 2015, 80(3): 1557-1564.

[22] [22] Dai C Q, Yang Q, He J D, et al. Nonlinear tunneling effect in the (2+1)-dimensional cubic-quintic nonlinear Schrdinger equation with variable coefficients［J］. The European Physical Journal D, 2011, 63(1): 141-148.

[23] [23] Dai C Q, Wang Y, Liu J. Spatiotemporal Hermite-Gaussian solitons of a (3+1)-dimensional partially nonlocal nonlinear Schrdinger equation［J］. Nonlinear Dynamics, 2016, 84(3): 1157-1161.

[24] [24] Tian Huiping, Li Zhonghao, Wang Gang, et al. Numerical research of interaction between femtosecond optical pulses［J］. Acta Optica Sinica, 2001, 21(5): 513-517.