Dual-Tunable Polarization Insensitive Electromagnetically Induced Transparency in Metamaterials

被引：0
|
作者：
Renxia Ning
Zhiqiang Xiao
Zhenhai Chen
Wei Huang
机构：
[1] Huangshan University,School of Information Engineering
[2] Engineering Technology Research Center of Intelligent Microsystems,State Key Laboratory of ASIC and System, Shanghai Institute of Intelligent Electronics and Systems, School of Microelectronics
[3] Fudan University,undefined
来源：
Journal of Electronic Materials | 2021年 / 50卷
关键词：
Electromagnetically induced transparency; metamaterials; dual-tunable; polarization-insensitive;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A multilayer structure of a square ring of graphene with nesting vanadium dioxide (VO2) was investigated in this study. This structure exhibits electromagnetically induced transparency (EIT), which stems from a bright mode coupling with a dark mode. The permittivity values of graphene and VO2 can be modulated via chemical potential and temperature, respectively. The EIT effect can be tuned based on the chemical potential of graphene and temperature of VO2, resulting in a dual-tunable EIT effect. Simulation results confirmed that this dual-tunable EIT phenomenon is insensitive to polarization. These results may have potential applications in terahertz devices, such as slow light devices, switching devices, and sensors.
引用
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页码：3916 / 3922
页数：6
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