Active high-Q dielectric terahertz supercavities

Han, Song; Cong, Longqing; Srivastava, Yogesh Kumar; Qiang, Bo; Rybin, Mikhail V.; Lim, Wen Xiang; Wang, Qi Jie; Kivshar, Yuri S.; Singh, Ranjan

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Active high-Q dielectric terahertz supercavities

Date

2018-08-06

Authors

Han, Song

Cong, Longqing

Srivastava, Yogesh Kumar

Qiang, Bo

Rybin, Mikhail V.

Lim, Wen Xiang

Wang, Qi Jie

Kivshar, Yuri S.

Singh, Ranjan

Publisher

Institute of Electrical and Electronics Engineers Inc.

Abstract

We report the observation of extremely high-quality factors in all-dielectric subwavelength terahertz metasurfaces. We further demonstrate an active ultrafast switching of the high-Q resonances via direct optical excitation of the supercavities.

URI

https://hdl.handle.net/1885/733797549

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ANU Research Publications

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Conference paper

Book Title

2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

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Publication

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Active high-Q dielectric terahertz supercavities

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