Stable surface solitons in truncated complex potentials

Details Stable surface solitons in truncated complex potentials Stable surface solitons in truncated complex potentials

2012-04-21

arxiv.org/abs/1204.4772v1

Physics

Optics

3 pages, 4 figures,accepted by Optics Letters

Scientific paper

We show that surface solitons in the one-dimensional nonlinear Schr\"odinger equation with truncated complex periodic potential can be stabilized by linear homogeneous losses, which are necessary to balance gain in the near-surface channel arising from the imaginary part of potential. Such solitons become stable attractors when the strength of homogeneous losses acquires values from a limited interval and they exist in focusing and defocusing media. The domains of stability of surface solitons shrink with increase of the amplitude of imaginary part of complex potential.

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