Electrically controllable optical switch metasurface based on vanadium dioxide

Yukuan Ma; Hao Zhou; Yulei Huang; Jianshe Guo; Yuehong Zhu; Zhujing Wu; Qiongqiong Gu; Zixiao Miao; Congliao Yan; Shutong Wang; Guoliang Deng; Shouhuan Zhou; Shouhuan Zhou

doi:10.1364/OL.492350

Optics Letters
Vol. 48,
Issue 15,
pp. 3885-3888
(2023)
•https://doi.org/10.1364/OL.492350

Electrically controllable optical switch metasurface based on vanadium dioxide

Yukuan Ma, Hao Zhou, Yulei Huang, Jianshe Guo, Yuehong Zhu, Zhujing Wu, Qiongqiong Gu, Zixiao Miao, Congliao Yan, Shutong Wang, Guoliang Deng, and Shouhuan Zhou

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Yukuan Ma, Hao Zhou, Yulei Huang, Jianshe Guo, Yuehong Zhu, Zhujing Wu, Qiongqiong Gu, Zixiao Miao, Congliao Yan, Shutong Wang, Guoliang Deng, and Shouhuan Zhou, "Electrically controllable optical switch metasurface based on vanadium dioxide," Opt. Lett. 48, 3885-3888 (2023)

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Abstract

We report a voltage-tunable reflective gold wire grid metasurface on vanadium dioxide thin film, which consists of a metal-insulator-metal (MIM) structure. We excite surface plasmon polariton (SPP) modes on the gold surface by fabricating a one-dimensional structured gold wire grid. Joule heating of laser-induced graphene (LIG) can be controlled by the voltage at the bottom, allowing vanadium dioxide in the structure to complete the transition from the insulating state to the metallic state. The phase transition of vanadium dioxide strongly disrupts the plasmon modes excited by the gold wire grid above, thereby realizing a huge change in the reflection spectrum. This acts as a tunable metasurface optical switch with a maximum modulation depth (MD) of over 20 dB. We provide a more effective and simple method for creating tunable metasurfaces in the near-infrared band, which can allow metasurfaces to have wider applications in optical signal processing, optical storage, and holography.

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Supplementary Material (1)

Name	Description
Supplement 1	Effect of device structure size on resonant peak

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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