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Opt Lett. 2015 Nov 15;40(22):5235-8. doi: 10.1364/OL.40.005235.

Nonlinear competition in nematicon propagation.


We investigate the role of competing nonlinear responses in the formation and propagation of bright spatial solitons. We use nematic liquid crystals (NLCs) exhibiting both thermo-optic and reorientational nonlinearities with continuous-wave beams. In a suitably prepared dye-doped sample and dual beam collinear geometry, thermal heating in the visible affects reorientational self-focusing in the near infrared, altering light propagation and self-trapping.


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