We address the properties of optical solitons in thermal nonlinear media with a local refractive
index defect that is capable to trap solitons launched even close to the sample boundary despite
the boundary-mediated forces that tend to deflect all beams toward the center of the sample. We
show that while such forces become more pronounced with increasing the input beam power the
defect can trap only light below a critical power above which solitons are ejected. The dynamics
of soliton ejection and the subsequent propagation may be controlled.
CitationFangwei, Y. [et al.]. Nonlinearity-mediated soliton ejection from trapping potentials in nonlocal media. "Physical review A", 30 Agost 2010, vol. 82, núm. 2, p. 1-15.
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