Demonstration of Nonlinearity-Induced Coupling to Topological Edge and Interface States
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Authors
Xia, Shiqi
Wang, Nan
Smirnova, Daria
Smirnov, Lev
Tang, Liqin
Song, Daohong
Szameit, A.
Leykam, Daniel
Chen, Zhigang
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OPTICA Publishing Group
Abstract
We observe nonlinearity-induced excitation of topological edge and interface states in a photonic SSH lattice, where two beams from opposite directions are coupled into (reflected from) nontrivial defect channel under nonlinear (linear) excitation upon collision.
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Proceedings of the 2020 Conference on Lasers and Electro-Optics
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2099-12-31