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Proceedings Paper

Tunable terahertz switching based on single-layer chiral metamaterial
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Paper Abstract

We present an optically controlled terahertz (THz) switch to tune the state of polarization based on single-layer chiral metamaterial. The chiral metamaterial consists of an array of perforated S-shaped slits with incorporated photoactive silicon, which allows us to control dynamically cross-polarization transmission. The switch state can be efficiently controlled by external optical stimuli. The realization of cross-polarization THz switch in a single-layer metamaterial has simple structure design and easy fabrication and therefore the S-shaped metamaterial will be a promising candidate for polarization control devices.

Paper Details

Date Published: 13 November 2014
PDF: 6 pages
Proc. SPIE 9278, Plasmonics, 927815 (13 November 2014); doi: 10.1117/12.2070608
Show Author Affiliations
Feng Wang, Harbin Engineering Univ. (China)
Quanchao Shi, Harbin Engineering Univ. (China)
Tingting Lv, Harbin Engineering Univ. (China)
Guangyu Nie, Harbin Engineering Univ. (China)
Zhengping Wang, Harbin Engineering Univ. (China)
Jinhui Shi, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 9278:
Xing Zhu; Satoshi Kawata; David J. Bergman; Peter Nordlander; Francisco Javier García de Abajo, Editor(s)

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