Observation of two-dimensional lattice interface solitons |
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| Authors: | Szameit A Kartashov Y V Dreisow F Heinrich M Vysloukh V A Pertsch T Nolte S Tünnermann A Lederer F Torner L |
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| Institution: | Institute of Applied Physics, Friedrich-Schille-University Jena, Max-Wien-Platz 1, Jenna, Germany. |
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| Abstract: | We report on the experimental observation of two-dimensional solitons at the interface between square and hexagonal waveguide arrays. In addition to the different symmetries of the lattices, the influence of a varying refractive index modulation depth is investigated. Such variation strongly affects the properties of surface solitons residing at different sides of the interface. |
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