Active high-Q dielectric terahertz supercavities
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Han, Song; Cong, L.; Srivastava, Yogesh Kumar; Qiang, Bo; Rybin, Mikhail; Lim, Wen-Xiang; Wang, Qijie; Kivshar, Yuri; Singh, Ranjan
Description
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.
Collections | ANU Research Publications |
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Date published: | 2018 |
Type: | Conference paper |
URI: | http://hdl.handle.net/1885/205435 |
Source: | 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings |
DOI: | 10.1364/CLEO_SI.2018.SW4D.6 |
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