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Conferences > EQEC > 2021 > ec_2 > ec_2_5
  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ec_2_5

Nonlinear Control of PT-symmetry and Topological States

Shiqi Xia, Dimitrios Kaltsas, Daohong Song, Ioannis Komis, Jingjun Xu, Alexander Szameit, Hrvoje Buljan, Konstantinos G. Makris, and Zhigang Chen

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Abstract

We demonstrate that optical nonlinearity can effectively modulate the loss of a defect potential in a non-Hermitian topological lattice, leading to single-channel switching between PT and non-PT-symmetric regimes and maneuver of topological zero modes.

© 2021 IEEE

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