Journal
APPLIED PHYSICS LETTERS
Volume 110, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4976504
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Funding
- Australian Research Council
- Thuringian State Government within its ProExcellence initiative (ACP)
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- Erasmus Mundus NANOPHI project [2013 5659/002-001]
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We demonstrate electrical tuning of the spectral response of a Mie-resonant dielectric metasurface consisting of silicon nanodisks embedded into liquid crystals. We use the reorientation of nematic liquid crystals in a moderate applied electric field to alter the anisotropic permittivity tensor around the metasurface. By switching a control voltage on and off, we induce a large spectral shift of the metasurface resonances, resulting in an absolute transmission modulation of up to 75%. Our experimental demonstration of voltage control of dielectric metasurfaces paves the way for new types of electrically tunable metadevices, including dynamic displays and holograms. Published by AIP Publishing.
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