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Conferences > CLEO_AT > 2022 > JW4A > JW4A.1

Realization of topological complex-energy braids and knots of non-Hermitian bands

Kai Wang, Avik Dutt, Charles C. Wojcik, and Shanhui Fan

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Abstract

We experimentally demonstrate topologically nontrivial braids and knots formed by complex band energies of non-Hermitian systems in a synthetic frequency dimension implemented by two coupled optical ring resonators undergoing dynamic modulations.

© 2022 The Author(s)

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