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Observation of nonlinear self-trapping in triangular photonic lattices |
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| Authors: | Rosberg Christian R Neshev Dragomir N Sukhorukov Andrey A Krolikowski Wieslaw Kivshar Yuri S |
| Institution: | Nonlinear Physics Centre and Laser Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia. crr124@rsphysse.anu.edu.au |
| Abstract: | We experimentally study light self-trapping in triangular photonic lattices induced optically in nonlinear photorefractive crystals. We observe the formation of two-dimensional discrete and gap spatial solitons originating from the first and second bands of the linear transmission spectrum. |
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