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Proceedings Paper

Modulation instability in distributed fiber amplifier with gain dispersion and stimulated Raman scattering
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Paper Abstract

We investigate modulation instability (MI) in the distributed fiber amplifier based on a modified Ginzburg-Landau equation. The role of gain dispersion and stimulated Raman scattering (SRS) in MI is identified. It is found that, due to SRS, the MI gain spectrum consists of two parts: the conventional MI gain spectrum and the Raman gain spectrum. Gain dispersion exerts little influence on the conventional MI spectrum, yet it deforms the Raman gain spectrum seriously, mainly by reducing its growth rate. Moreover, as the signal power increases, the bandwidths of the conventional MI and the Raman gain spectrum are simultaneously extended, with the latter spectrum being extended more quickly.

Paper Details

Date Published: 28 January 2005
PDF: 5 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.571586
Show Author Affiliations
Hua Zhang, Hunan Univ. (China)
Shuangchun Wen, Hunan Univ. (China)
Wangyang Cai, Hunan Univ. (China)
Ying Li, Hunan Univ. (China)
Xiquan Fu, Hunan Univ. (China)

Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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