Vortex laser arrays with topological charge control and self-healing of defects

Marco Piccardo; Michael de Oliveira; Andrea Toma; Vincenzo Aglieri; Andrew Forbes; Antonio Ambrosio

doi:10.1364/CLEO_QELS.2022.FM5B.6

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper FM5B.6
•https://doi.org/10.1364/CLEO_QELS.2022.FM5B.6

Vortex laser arrays with topological charge control and self-healing of defects

Marco Piccardo, Michael de Oliveira, Andrea Toma, Vincenzo Aglieri, Andrew Forbes, and Antonio Ambrosio

CLEO: QELS_Fundamental Science 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Non-Hermitian Systems and Parity-time Symmetry II (FM5B)

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M. Piccardo, M. de Oliveira, A. Toma, V. Aglieri, A. Forbes, and A. Ambrosio, "Vortex laser arrays with topological charge control and self-healing of defects," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper FM5B.6.

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Abstract

We present a non-Hermitian metasurface laser generating 100 strongly coupled vortices. The internal coupling mechanism allows to tune their charges as well as to heal defects in the system, opening new perspectives in topological optics.

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