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Generation of multiple solitons using competing nonlocal nonlinearities

 
: Jisha, C.P.; Beeckman, J.; Acker, F. van; Neyts, K.; Nolte, S.; Alberucci, A.

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Optics Letters 44 (2019), No.5, pp.1162-1165
ISSN: 0146-9592
Deutsche Forschungsgemeinschaft DFG
GRK 2101
English
Journal Article
Fraunhofer IOF ()

Abstract
We discuss the dynamics of fundamental Gaussian beams launched in saturable and nonlocal nonlinear media. Solely in the presence of a self-focusing saturable nonlinearity, the breathing solitons undergo strong deformation. The addition of a defocusing nonlinearity leads to the generation of couples of solitons. Experimentally, we demonstrate in nematic liquid crystals the formation of multiple spatial solitons starting from a bell-shaped input, with both direction and the number of filaments depending on the input power, confirming the theoretical predictions.

: http://publica.fraunhofer.de/documents/N-549335.html