Topological charge of finite-size photonic crystal lasing modes

Zhixin Wang; Yong Liang; Mattias Beck; Giacomo Scalari; Jerome Faist

doi:10.1364/CLEO_SI.2020.SF1E.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper SF1E.4
•https://doi.org/10.1364/CLEO_SI.2020.SF1E.4

Topological charge of finite-size photonic crystal lasing modes

Zhixin Wang, Yong Liang, Mattias Beck, Giacomo Scalari, and Jerome Faist

CLEO: Science and Innovations 2020

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

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Lasers with Novel Properties (SF1E)

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Z. Wang, Y. Liang, M. Beck, G. Scalari, and J. Faist, "Topological charge of finite-size photonic crystal lasing modes," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper SF1E.4.

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Abstract

We analyze the topological charge of photonic crystal modes that have polarization properties dictated by their non-trivial envelopes, and demonstrate experimentally their lasing operation in electrically pumped mid-infrared photonic crystal lasers with high slope efficiency.

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