Abstract
We elucidate the properties of mixed-gap vector surface solitons supported by the interface between a uniform medium and an optical lattice imprinted in a Kerr-type nonlinear medium. The components of such mixed-gap solitons emerge from different gaps of lattice spectrum and their mutual trapping results in the formation of stable vector states. The unstable soliton component is stabilized by the cross-coupling with the stable component. We show that vector mixed-gap surface solitons exhibit a new combination of properties of vectorial surface waves and gap solitons.
Highlights
Gap solitons may exist at surfaces that are periodically modulated in the direction of light propagation [26]
In this paper we study mixed-gap vector surface waves arising at the interface of a uniform medium and an optical lattice imprinted in a Kerr nonlinear medium, for focusing and defocusing nonlinearities
We found vector solitons for arbitrary large values of b1
Summary
“Observation of two-dimensional lattice vector solitons,” Opt. Lett. S. Aitchison, “Discrete vector solitons in Kerr nonlinear waveguide arrays,” Phys. “Stabilization of vector solitons in optical lattices,” Phys.
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