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Active high-Q dielectric terahertz supercavities

Han, Song; Cong, L.; Srivastava, Yogesh Kumar; Qiang, Bo; Rybin, Mikhail; Lim, Wen-Xiang; Wang, Qijie; Kivshar, Yuri; Singh, Ranjan


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.

CollectionsANU Research Publications
Date published: 2018
Type: Conference paper
Source: 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
DOI: 10.1364/CLEO_SI.2018.SW4D.6


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