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Conferences > CLEO_FS > 2023 > FTh1D > FTh1D.4

Higher-order Topological States in Fractal-like Photonic Lattices

Limin Ѕong, Domenico Bongiovanm, Zhichan Hu, Liqin Tang, Daohong Song, Roberto Morandotti, and Zhigang Chen

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Abstract

We theoretically and experimentally demonstrate higher-order topological corner states in the first-generation Sierpinski fractal-like photonic lattices, suggesting that the topological origin of these corner states can be directly associated with that of the lowest-generation lattice.

© 2023 The Author(s)

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