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Observation of two-dimensional coherent surface vector lattice solitons



Optics Letters 34 (2009), No.11, pp.1624-1626
ISSN: 0146-9592
Journal Article
Fraunhofer IOF ()
wave-guide array; spatial soliton

We report, to the best of our knowledge, the first experimental observation of vector surface solitons, which form at the edge and in the corner of two-dimensional laser-written waveguide arrays. These elliptically polarized vector states are composed of two orthogonally polarized components. They exist only above a power threshold and bifurcate from scalar surface solitons. The components of a vector soliton may have substantially different degrees of localization in certain parameter ranges.