Filamentation processes and dynamical excitation of light condensates in optical media with competing nonlinearities

Details Filamentation processes and dynamical excitation of light condensates in optical media with competing nonlinearities Filamentation processes and dynamical excitation of light condensates in optical media with competing nonlinearities

2010-02-26

arxiv.org/abs/1002.5036v2

Physical Review A 81, 043842 (2010).

Nonlinear Sciences

Pattern Formation and Solitons

6 pages, 4 figures

Scientific paper

We analyze both theoretically and by means of numerical simulations the phenomena of filamentation and dynamical formation of self-guided nonlinear waves in media featuring competing cubic and quintic nonlinearities. We provide a theoretical description of recent experiments in terms of a linear stability analysis supported with simulations, showing the possibility of experimental observation of the modulational instability suppression of intense light pulses travelling across such nonlinear media. We also show a novel mechanism of indirect excitation of {\em light condensates} by means of coalescence processes of nonlinear coherent structures produced by managed filamentation of high power laser beams.

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