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Abstract: We address the properties of optical solitons in thermal nonlinear media witha local refractive index defect that is capable to trap solitons launched evenclose to the sample boundary despite the boundary-mediated forces that tend todeflect all beams toward the center of the sample. We show that while suchforces become more pronounced with increasing the input beam power the defectcan trap only light below a critical power above which solitons are ejected.The dynamics of soliton ejection and the subsequent propagation may becontrolled.



Autor: Fangwei Ye, Yaroslav V. Kartashov, Bambi Hu, Lluis Torner

Fuente: https://arxiv.org/







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