Fano-Like Resonance of Heat-Reconfigurable Silicon Grating Metasurface Tuned by Laser-Induced Graphene.

Yukuan Ma, Yulei Huang, Yuehong Zhu, Hao Zhou, Congliao Yan, Shutong Wang, Guoliang Deng, Shouhuan Zhou

Abstract read

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Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

8 authors.

Yukuan MaCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Yulei HuangCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Yuehong ZhuCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Hao ZhouCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Congliao YanCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Shutong WangCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Guoliang DengCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Shouhuan ZhouCollege of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China.

Funding

National Natural Science Foundation of China National Natural Science Foundation of China (61705148 and 61705149).

6 · The paper itself

Abstract

We propose a heat-reconfigurable metasurface composed of the silicon-based gold grating. The asymmetric Fano-like line shape is formed due to the mutual coupling of the local surface plasmon (LSP) in the gap between the two layers of Au gratings and the surface propagating plasmon (SPP) on the surface of the Au gratings. Then, we effectively regulate the Fano resonance by applying a bias voltage to laser-induced graphene (LIG), to generate Joule heat, so that the resonant dip of one mode of the Fano resonance can shift up to 28.5 nm. In contrast, the resonant dip of the other mode barely changes. This effectively regulates the coupling between two resonant modes in Fano resonance. Our study presents a simple and efficient method for regulating Fano-like interference in the near-infrared band.

Indexed as

Fano resonancelaser-induced graphenemetasurfaceplasmon

Identifiers

PMID36770453

DOI10.3390/nano13030492

PMCPMC9918929

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