Tunable Refraction in Nonlinear Optically-Induced Photonic Lattices
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Rosberg, Christian
Neshev, Dragomir
Krolikowski, Wieslaw
Sukhorukov, Andrey
Kivshar, Yuri
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Optical Society of America
Abstract
We demonstrate tunable positive and negative refraction of Bloch waves in optically-induced photonic lattices. At high laser intensities, the beam broadening due to diffraction can be suppressed through nonlinear self-focusing while preserving the steering properties.
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Proceedings of Nonlinear Guided Waves and Their Applications Topical Meeting 2005