Complex skin modes in non-Hermitian coupled laser arrays

Yuzhou G. N. Liu; Yunxuan Wei; Omid Hemmatyar; Georgios G. Pyrialakos; Pawel S. Jung; Demetrios N. Christodoulides; Mercedeh Khajavikhan

doi:10.1038/s41377-022-01030-0

Light: Science & Applications (Nov 2022)

Complex skin modes in non-Hermitian coupled laser arrays

Yuzhou G. N. Liu,
Yunxuan Wei,
Omid Hemmatyar,
Georgios G. Pyrialakos,
Pawel S. Jung,
Demetrios N. Christodoulides,
Mercedeh Khajavikhan

Affiliations

Yuzhou G. N. Liu: Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California
Yunxuan Wei: Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California
Omid Hemmatyar: Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California
Georgios G. Pyrialakos: CREOL, The College of Optics & Photonics, University of Central Florida
Pawel S. Jung: CREOL, The College of Optics & Photonics, University of Central Florida
Demetrios N. Christodoulides: Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California
Mercedeh Khajavikhan: Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California

DOI: https://doi.org/10.1038/s41377-022-01030-0
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 6

Abstract

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The Hatano–Nelson model with asymmetric couplings is demonstrated for the first time in phase locked laser arrays. The arrays exhibit steerable non-Hermitian skin effects.

Published in Light: Science & Applications

ISSN: 2047-7538 (Online)
Publisher: Nature Publishing Group
Country of publisher: United Kingdom
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: https://www.nature.com/lsa/

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