Tunable Mie-Resonant Dielectric Metasurfaces Based on VO₂ Phase-Change Materials

Sergey Kruk,Jimmy John,Zhen Zhang,Hai Son Nguyen,Lotfi Berguiga,Pedro Rojo Romeo,Régis Orobtchouk,Shriram Ramanathan,Yuri Kivshar,Sébastien Cueff

2020 Conference on Lasers and Electro-Optics (CLEO)（2020）

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摘要

We demonstrate Mie-resonant silicon metasurfaces tunable via the insulator-to-metal transition of a deposited VO ₂ layer. We observe two orders of magnitude modulation depth of the metasurface reflection with reversible properties and a hysteresis-like behavior.

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关键词

hysteresis-like behavior,reversible properties,deposited VO2 layer,metasurface reflection,modulation depth,insulator-to-metal transition,Mie-resonant silicon metasurfaces,phase-change materials,tunable Mie-resonant dielectric metasurfaces,VO2,Si

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Tunable Mie-Resonant Dielectric Metasurfaces Based on VO2 Phase-Change Materials

Tunable Mie-Resonant Dielectric Metasurfaces Based on VO₂ Phase-Change Materials