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.
Received: 28 March 2007
Revised: 13 April 2007
Accepted manuscript online:
(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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