Investigation of terahertz high Q-factor of all-dielectric metamaterials

Jin Leng,Jun Peng,An Jin,Duo Cao,Dejun Liu,Xiaoyong He,Fangting Lin,Feng Liu

Optics & Laser Technology（2022）

引用 79|浏览4

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摘要

•The asymmetric Si-SiO2 block all-dielectric metamaterial excites Fano resonance with a Q-factor of over 270.•Carrier concentration of Si block has a significant effect on Fano resonance.•The Fano resonance can be effectively modulated by introducing an entire sheet of graphene.

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关键词

Terahertz,All-dielectric metamaterials,Fano resonance,Q-factor

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