Analogue of Electromagnetically Induced Transparency Based on Bright-Bright Mode Coupling Between Spoof Electric Localized Surface Plasmon and Electric Dipole

AbstractA 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.

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Adjustable electromagnetically induced transparency effect based on graphene surface plasmon

Superlattices and Microstructures ◽

10.1016/j.spmi.2019.02.003 ◽

2019 ◽

Vol 128 ◽

pp. 342-348 ◽

Cited By ~ 4

Author(s):

X. Li ◽

R. Xie ◽

W. Li ◽

Z. Li ◽

E. Gu ◽

...

Keyword(s):

Surface Plasmon ◽

Electromagnetically Induced Transparency ◽

Graphene Surface ◽

Induced Transparency

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Electromagnetically-induced-transparency plasmonics: Quantum-interference-assisted tunable surface-plasmon-polariton resonance and excitation

Physical Review A ◽

10.1103/physreva.90.023814 ◽

2014 ◽

Vol 90 (2) ◽

Cited By ~ 13

Author(s):

Jian Qi Shen

Keyword(s):

Surface Plasmon ◽

Quantum Interference ◽

Surface Plasmon Polariton ◽

Electromagnetically Induced Transparency ◽

Plasmon Polariton ◽

Induced Transparency

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Polarization-insensitive terahertz spoof localized surface plasmon-induced transparency based on lattice rotational symmetry

Applied Physics Letters ◽

10.1063/5.0009785 ◽

2020 ◽

Vol 117 (1) ◽

pp. 011105 ◽

Cited By ~ 1

Author(s):

Zhenyu Zhao ◽

Hui Zhao ◽

Rajour Tanyi Ako ◽

Simon Nickl ◽

Sharath Sriram

Keyword(s):

Surface Plasmon ◽

Rotational Symmetry ◽

Localized Surface Plasmon ◽

Polarization Insensitive ◽

Induced Transparency ◽

Plasmon Induced Transparency

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Broadband Filter and Adjustable Extinction Ratio Modulator Based on Metal-Graphene Hybrid Metamaterials

Nanomaterials ◽

10.3390/nano10071359 ◽

2020 ◽

Vol 10 (7) ◽

pp. 1359 ◽

Cited By ~ 1

Author(s):

Haoying Sun ◽

Lin Zhao ◽

Jinsong Dai ◽

Yaoyao Liang ◽

Jianping Guo ◽

...

Keyword(s):

Electromagnetically Induced Transparency ◽

Extinction Ratio ◽

Optical Filters ◽

Superior Performance ◽

Dark Mode ◽

Terahertz Communications ◽

Transmission Window ◽

Induced Transparency ◽

Bright Mode ◽

Mode Resonator

A novel multifunctional device based on a hybrid metal–graphene Electromagnetically induced transparency (EIT) metamaterial at the terahertz band is proposed. It is composed of a parallel cut wire pair (PCWP) that serves as a dark mode resonator, a vertical cut wire pair (VCWP) that serves as a bright mode resonator and a graphene ribbon that serves as a modulator. An ultra-broadband transmission window with 1.23 THz bandwidth can be obtained. The spectral extinction ratio can be tuned from 26% to 98% by changing the Fermi level of the graphene. Compared with previous work, our work has superior performance in the adjustable bandwidth of the transmission window without changing the structure of the dark and bright mode resonators, and has a high extinction ratio and dynamic adjustability. Besides, we present the specific application of the device in filters and optical modules. Therefore, we believe that such a metamaterial structure provides a new way to actively control EIT-like, which has promising applications in broadband optical filters and photoelectric intensity modulators in terahertz communications.

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