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Chin. Phys. B, 2008, Vol. 17(3): 1008-1013    DOI: 10.1088/1674-1056/17/3/043
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Energy exchange between (3+1)D colliding spatiotemporal optical solitons in dispersive media with cubic--quintic nonlinearity

Yang Hong(杨红) and Tang Yi(唐翌)
Department of Physics and Institute of Modern Physics, Xiangtan University, Xiangtan 411105, China
Abstract  We investigate the energy exchange between (3+1)D colliding spatiotemporal solitons (STSs) in dispersive media with cubic--quintic (CQ) nonlinearity by numerical simulations. Energy exchange between two (3+1)D head on colliding STSs caused by their phase difference is observed, just as occurring in other optical media. Moreover, energy exchange between two head-on colliding STSs with different speeds is firstly shown in the CQ and saturable media. This phenomenon, we believe, may arouse some interest in the future studies of soliton collision in optical media.
Keywords:  spatiotemporal solitons      cubic--quantic nonlinearity      energy exchange  
Received:  28 March 2007      Revised:  13 April 2007      Accepted manuscript online: 
PACS:  42.65.Tg (Optical solitons; nonlinear guided waves)  
  42.65.Sf (Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)  
Fund: Project supported by the Key Project of Hunan Provincial Educational Department of China (Grant No 04A058).

Cite this article: 

Yang Hong(杨红) and Tang Yi(唐翌) Energy exchange between (3+1)D colliding spatiotemporal optical solitons in dispersive media with cubic--quintic nonlinearity 2008 Chin. Phys. B 17 1008

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