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Active tuning of all-dielectric metasurfaces

Sautter, Jurgen; Staude, Isabelle; Decker, Manuel; Rusak, Evgenia; Neshev, Dragomir; Brener, Igal; Kivshar, Yuri

Description

All-dielectric metasurfaces provide a powerful platform for highly efficient flat optical devices, owing to their strong electric and magnetic dipolar response accompanied by negligible losses at near-infrared frequencies. Here we experimentally demonstrate dynamic tuning of electric and magnetic resonances in all-dielectric silicon nanodisk metasurfaces in the telecom spectral range based on the temperature-dependent refractive-index change of a nematic liquid crystal. We achieve a maximum...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/69785
Source: ACS Nano
DOI: 10.1021/acsnano.5b00723

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