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Proceedings Paper

Internal oscillations of spatial optical solitons in a cubic-quintic nonlinear medium
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Paper Abstract

The internal oscillation of spatial optical solitons in a cubic-quintic nonlinear medium is investigated systemically in their stability parameter region. Both internal oscillations of fundamental soliton and localized optical vortex soliton are determined. Internal modes with and without angular dependence are found. Our results show that internal oscillations exist only when the power of the soliton exceeds a threshold value. We also simulate the dynamics of soliton perturbed by internal modes. Numerical results show that internal oscillations induced by these modes are very robust. Some novel and interesting phenomena are discovered during the propagation process. Evolution of the perturbed state visually appears that the spatial soliton is uniformly (unevenly) breathing or rotating around the propagating axis periodically, the periods approximately equal to that of the internal oscillations.

Paper Details

Date Published: 28 January 2005
PDF: 12 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.571941
Show Author Affiliations
Liangwei Dong, Univ. of Science and Technology of China (China)
Fangwei Ye, Univ. of Science and Technology of China (China)
Jiandong Wang, Univ. of Science and Technology of China (China)
Tian Cai, Univ. of Science and Technology of China (China)
Yong-Ping Li, Univ. of Science and Technology of China (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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