Tunable terahertz switching based on single-layer chiral metamaterial

Feng Wang; Quanchao Shi; Tingting Lv; Guangyu Nie; Zhengping Wang; Jinhui Shi

doi:10.1117/12.2070608

13 November 2014 Tunable terahertz switching based on single-layer chiral metamaterial

Feng Wang, Quanchao Shi, Tingting Lv, Guangyu Nie, Zhengping Wang, Jinhui Shi

Author Affiliations +

Proceedings Volume 9278, Plasmonics; 927815 (2014) https://doi.org/10.1117/12.2070608
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

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.

Citation Download Citation

Feng Wang, Feng Wang, Quanchao Shi, Quanchao Shi, Tingting Lv, Tingting Lv, Guangyu Nie, Guangyu Nie, Zhengping Wang, Zhengping Wang, Jinhui Shi, Jinhui Shi, "Tunable terahertz switching based on single-layer chiral metamaterial", Proc. SPIE 9278, Plasmonics, 927815 (13 November 2014); doi: 10.1117/12.2070608; https://doi.org/10.1117/12.2070608

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