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-Hong1,2;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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