Effect of Higher-Order Terms on Nonlinear Schrödinger Dark Solitons in Optical Fibres
AO Sheng-Mei, YAN Jia-Ren
Department of Physics, Hunan Normal University, Changsha 410081
Effect of Higher-Order Terms on Nonlinear Schrödinger Dark Solitons in Optical Fibres
AO Sheng-Mei;YAN Jia-Ren
Department of Physics, Hunan Normal University, Changsha 410081
关键词 ：
42.65.Tg ,
42.81.Dp
Abstract ： We solve the nonlinear Schrödinger equation with higher order terms, which describes the propagation of femtosecond pulses in optical fibres, by means of a direct perturbation method for dark solitons. An exact dark-soliton solution of the higher order nonlinear Schrödinger equation is found, provided that parameters satisfy certain conditions. The soliton’s velocity with the high order effects as well as the formula for calculation of the first-order correction representing the perturbation-induced radiative field is presented.
Key words ：
42.65.Tg
42.81.Dp
出版日期: 2006-10-01
:
42.65.Tg
(Optical solitons; nonlinear guided waves)
42.81.Dp
(Propagation, scattering, and losses; solitons)
引用本文:
AO Sheng-Mei;YAN Jia-Ren. Effect of Higher-Order Terms on Nonlinear Schrödinger Dark Solitons in Optical Fibres[J]. 中国物理快报, 2006, 23(10): 2774-2777.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I10/2774
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2006, Vol. 23 
