Journal of South China University of Technology(Natural Science Edition) ›› 2004, Vol. 32 ›› Issue (8): 22-24,29.

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Influence of the Negative Third -order Dispersion on the Soliton Compression Effect in FSDD

Li Chao  Wu Ting-wan   

  1. Dept．of Applied Physics‚South China Univ．of Tech．‚Guangzhou510640‚Guangdong‚China
  • Received:2003-08-20 Online:2004-08-20 Published:2015-09-09
  • Contact: 李潮（1976－）‚男‚助教‚主要从事光纤激光器和光孤子通信研究． E-mail:long.l.c＠163.com
  • About author:李潮（1976－）‚男‚助教‚主要从事光纤激光器和光孤子通信研究．

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Abstract: By utilizing the theory of equivalent -effect‚the nonlinear Schrodinger equation of FSDD （Fiber with Slow-
ly-decreasing Dispersion） with the negative third-order dispersion was discussed．It is found that the negative third-or-
der dispersion has a certain relation with the slowly-decreasing dispersion term‚thus proving that the negative third-or-
der dispersion helps to the compression effect of FSDD on soliton‚and there exists an optimal value of negative third-
order dispersion．The dynamic compression process was also analyzed．The results obtained by theoretical analysis ac-
cord well with those obtained by numerical simulation．

Key words: fiber with slowly-decreasing dispersion, negative third-order dispersion, oliton compression effect

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