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Conferences > EQEC > 2021 > ef_7 > ef_7_5
  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ef_7_5

Nonlinear corner states observed in Kagome higher-order photonic topological insulators

M. S. Kirsch, Y. Zhang, M. Kremer, L. J. Maczewsky, S. K. Ivanov, Y. V. Kartashov, L. Torner, D. Bauer, A. Szameit, and M. Heinrich

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Abstract

We experimentally investigate nonlinear Kerr dynamics in higher-order photonic topological insulators. We excite nonlinear topological corner-modes that are robust against structural perturbations. Their localization demonstrates nontrivial nonmonotonic behavior as the input power is increased.

© 2021 IEEE

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