Thermal lensing-induced bifocusing of spatial solitons in Kerr-type optical media

Details Thermal lensing-induced bifocusing of spatial solitons in Kerr-type optical media Thermal lensing-induced bifocusing of spatial solitons in Kerr-type optical media

2011-02-19

arxiv.org/abs/1102.3967v1

Europhysics Letters (EPL) vol. 94, p. 44004 (2011)

Nonlinear Sciences

Pattern Formation and Solitons

5 pages, 2 figures

Scientific paper

10.1209/0295-5075/94/44004

Thermo-optical effects cause a bifocusing of incoming beams in optical media, due to the birefringence created by a thermal lens that can resolve the incoming beams into two-component signals of different polarizations. We propose a non-perturbative theoretical description of the process of formation of double-pulse solitons in Kerr optical media with a thermally-induced birefringence, based on solving simultaneously the heat equation and the propagation equation for a beam in a one-dimensional medium with uniform heat flux load. By means of a non-isospectral Inverse Scattering Transform assuming an initial solution with a pulse shape, a one-soliton solution to the wave equation is obtained that represents a double-pulse beam which characteristic properties depend strongly on the profile of heat spatial distribution.

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