Highly flexible all-optical metamaterial absorption switching assisted by Kerr-nonlinear effect

Gong, Yongkang, Li, Zhiyuan, Fu, Jinxin, Chen, Yuhui, Wang, Guoxi, Lu, Hua, Wang, Leirang and Liu, Xueming 2011. Highly flexible all-optical metamaterial absorption switching assisted by Kerr-nonlinear effect. Optics Express 19 (11) , pp. 10193-10198. 10.1364/OE.19.010193

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Abstract

A three-dimensional metamaterial nanostructure for realizing all-optical absorption switching is proposed and investigated. The structure consists of dual metallic layers for allowing near-perfect absorption due to electric and magnetic resonances, and a nonlinear Kerr-dielectric layer for actively manipulating the nanostructure absorption. The finite-difference time-domain simulation results demonstrate that, by adjusting the incident optical intensity, the metamaterial absorption can be flexibly tuned from near unity to zero. The all-optical absorption switching structure can find potential applications in actively integrated photonic circuits for thermal sensing, photo detecting, and optical imaging.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Optical Society of America
ISSN:	1094-4087
Date of Acceptance:	3 May 2011
Last Modified:	05 Aug 2022 01:47
URI:	https://orca.cardiff.ac.uk/id/eprint/119614

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