Multipole vector solitons in nonlocal nonlinear media
Yaroslav V. KartashovICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, Castelldefels (Barcelona), Spain. [email protected]Lluís TornerICFO-Institut de Ciencies FotoniquesUniversitat Politecnica de CatalunyaVictor A. VysloukhUniversidad de las Americas-PueblaDumitru MihalacheNational Institute of Physics and Nuclear Engineering
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We show that multipole solitons can be made stable via vectorial coupling in bulk nonlocal nonlinear media. Such vector solitons are composed of mutually incoherent nodeless and multipole components jointly inducing a nonlinear refractive index profile. We found that stabilization of the otherwise highly unstable multipoles occurs below certain maximum energy flow. Such a threshold is determined by the nonlocality degree.
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