Effect of nonlinearity on dynamic diffraction and interband coupling in two-dimensional hexagonal photonic lattices
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Terhalle, Bernd
Desyatnikov, Anton S
Neshev, Dragomir
Denz, Cornelia
Krolikowski, Wieslaw
Kivshar, Yuri
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American Physical Society
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We explore experimentally the effect of nonlinearity on resonant coupling between high-symmetry momentum states in hexagonal photonic lattices. We observe nonlinear Pendellösung oscillations with the power-dependent excitation of additional critical poin
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Physical Review A: Atomic, Molecular and Optical Physics
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