Influence of Spectral Filtering and Nonlinear Gain on an Optical Soliton

Chin. Phys. Lett.

2007, Vol. 24

Issue (1): 123-126 DOI:

Original Articles

Influence of Spectral Filtering and Nonlinear Gain on an Optical Soliton

LIU Ling-Hong^1,2;YAN Jia-Ren¹;TANG Zheng-Hua¹

¹Institute of Physics, Hunan Normal University, Changsha 410081 ²College of Science, Central South University of Forestry and Technology, Zhuzhou 412006

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LIU Ling-Hong, YAN Jia-Ren, TANG Zheng-Hua 2007 Chin. Phys. Lett. 24 123-126

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Abstract Using the direct soliton perturbation theory, we investigate the evolution of soliton parameters and the first-order correction of bright soliton in a system with linear and nonlinear gain (or loss) and spectral filtering in a comprehensive way. The results obtained by means of our analytic method are consistent with numerical simulations. It is also found that the stable soliton propagation which has been investigated in a previous report by others is the limit case of our results.

Keywords: 42.65.Tg 42.81.Dp

Published: 01 January 2007

PACS:	42.65.Tg	(Optical solitons; nonlinear guided waves)
	42.81.Dp	(Propagation, scattering, and losses; solitons)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2007/V24/I1/0123

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