Dynamics of Spatial Dark Solitons Trapped in the Media with Gain and TPA
LIU Ling-Hong, YAN Jia-Ren, TANG Zheng-Hua
Institute of Physics, Hunan Normal University, Changsha 410081
Dynamics of Spatial Dark Solitons Trapped in the Media with Gain and TPA
LIU Ling-Hong;YAN Jia-Ren;TANG Zheng-Hua
Institute of Physics, Hunan Normal University, Changsha 410081
关键词 ：
42.65.Tg ,
42.81.Dp ,
42.65.Jx
Abstract ： The propagation of dark solitons in nonlinear media that include gain and loss described by a nonlinear Schrödinger equation is investigated. Based on the direct approach of perturbation theory, the width, height and other related quantities of dark solitons are obtained. It is shown that stationary propagation of dark solitons is found to be possible in the presence of both gain and absorption. The results obtained by means of our analytic method are in excellent agreement with numerical simulations. Our results are helpful for the research into the optical soliton transmission system.
Key words ：
42.65.Tg
42.81.Dp
42.65.Jx
出版日期: 2005-10-01
:
42.65.Tg
(Optical solitons; nonlinear guided waves)
42.81.Dp
(Propagation, scattering, and losses; solitons)
42.65.Jx
(Beam trapping, self-focusing and defocusing; self-phase modulation)
引用本文:
LIU Ling-Hong;YAN Jia-Ren;TANG Zheng-Hua. Dynamics of Spatial Dark Solitons Trapped in the Media with Gain and TPA[J]. 中国物理快报, 2005, 22(10): 2578-2581.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I10/2578
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2005, Vol. 22 
