Non-Hermitian Topological Light Steering

Han Zhao; Xingdu Qiao; Tianwei Wu; Bikashkali Midya; Stefano Longhi; Liang Feng; Liang Feng

doi:10.1364/CLEO_QELS.2020.FTh1B.5

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper FTh1B.5
•https://doi.org/10.1364/CLEO_QELS.2020.FTh1B.5

Non-Hermitian Topological Light Steering

Han Zhao, Xingdu Qiao, Tianwei Wu, Bikashkali Midya, Stefano Longhi, and Liang Feng

CLEO: QELS_Fundamental Science 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Topological Photonics III (FTh1B)

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H. Zhao, X. Qiao, T. Wu, B. Midya, S. Longhi, and L. Feng, "Non-Hermitian Topological Light Steering," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper FTh1B.5.

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Abstract

By strategically interfacing non-Hermitian and topological physics, we demonstrate arbitrary, robust light steering in reconfigurable non-Hermitian junctions, in which chiral topological states can propagate at an interface of the gain and loss domains.

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