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Experimental Demonstration of Topological Valley-Hall lasing at Telecommunication Wavelength

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Abstract

We report a single-mode valley-Hall laser at telecommunication wavelength. The degree of asymmetry in a honeycomb photonic crystal governs light confinement regimes in the valley-Hall cavity and enables efficient single-mode operation despite multiple resonances.

© 2020 The Author(s)

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More Like This
Experimental Demonstration of Single-mode Topological Valley-Hall Lasing at Telecommunication Wavelength

Wanwoo Noh, Hadiseh Nasari, Hwi-Min Kim, Quynh Le-Van, Zhetao Jia, Chi-Hsin Huang, and Boubacar Kanté
ATu2A.7 Advanced Solid State Lasers (ASSL) 2020

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Wanwoo Noh, Hadiseh Nasari, Hwi-Min Kim, Quynh Le-Van, Zhetao Jia, Chi-Hsin Huang, and Boubacar Kanté
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PDP_6 Conference on Lasers and Electro-Optics/Pacific Rim (CLEO/PR) 2020

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STu2C.7 CLEO: Science and Innovations (CLEO:S&I) 2021

Experimental demonstration of valley-Hall topological photonic crystal at telecommunication wavelengths

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