Active graphene metamaterial absorber for terahertz absorption bandwidth, intensity and frequency control

X He, Y Yao, Z Zhu, M Chen, L Zhu, W Yang… - Optical Materials …, 2018 - opg.optica.org
A novel graphene-based metamaterial absorber with actively tunable bandwidth, intensity
and frequency, working at the terahertz (THz) spectral region, was designed and numerically …

Tunable broadband terahertz absorber based on star-shaped ring graphene metasurface

OD Asli, M Yazdi, BR Rezvan - Journal of Nanophotonics, 2024 - spiedigitallibrary.org
We introduced a tunable terahertz broadband absorber with near-unity absorption based on
a graphene metamaterial. A periodic array of star-shaped ring graphene resonators along …

Staked graphene for tunable terahertz absorber with customized bandwidth

Y Wang, M Song, M Pu, Y Gu, C Hu, Z Zhao, C Wang… - Plasmonics, 2016 - Springer
Terahertz (THz) absorber with dynamically tunable bandwidth possesses huge application
value in the fields of switches, sensors, and THz detection. However, the perfect absorbers …

Design of a switchable bifunctional terahertz metamaterial absorber from ultra-broadband to 10-band

Y Qi, L Wang, Y Wen, H Chen, Y Yuan, Z Zhou, S Zhao… - JOSA B, 2023 - opg.optica.org
A bifunctional absorber with hybrid graphene–vanadium dioxide (VO _2) is proposed and
numerically investigated in the paper. Simulation results indicate that the absorber behaves …

Harmonizing terahertz waves: unleashing the versatility of a multi-mode metamaterial absorber

L Wang, Y Qi, Y Wen, Z Zhou, X Wang - Physica Scripta, 2024 - iopscience.iop.org
An absorber composed of stacked graphene rings, vanadium dioxide (VO 2) patches and
metal reflectors separated by dielectric layers is proposed and numerically simulated using …

Switchable and tunable terahertz metamaterial absorber based on graphene and vanadium dioxide

D Li, S He, L Su, H Du, Y Tian, Z Gao, B Xie, G Huang - Optical Materials, 2024 - Elsevier
Metamaterial possess great application prospects for optical reconfigurable devices with
high performance. So far, developing switchable and tunable metamaterial absorber in …

Switchable and tunable terahertz metamaterial absorber with broadband and multi-band absorption

H Zhu, Y Zhang, L Ye, Y Li, Y Xu, R Xu - Optics Express, 2020 - opg.optica.org
In this paper, we propose and demonstrate a switchable terahertz metamaterial absorber
with broadband and multi-band absorption based on a simple configuration of graphene …

A broad dual-band switchable graphene-based terahertz metamaterial absorber

L Qi, C Liu, SMA Shah - Carbon, 2019 - Elsevier
A switchable graphene-based terahertz metamaterial absorber is proposed by using
nonstructured graphene loaded with simple dielectric resonators, which can achieve both …

Tunable ultra-broadband terahertz waveband absorbers based on hybrid gold-graphene metasurface

T Xie, D Chen, Y Xu, Z Zhang… - Journal of Physics …, 2021 - iopscience.iop.org
In this paper, we propose a tunable ultra-broadband terahertz absorber based on hybrid
gold-graphene resonator to achieve an ultra-broadband, ultra-thin, and tunable …

Broadband terahertz metamaterial absorber and modulator based on hybrid graphene-gold pattern

Y Lv, W Liu, J Tian, R Yang - Physica E: Low-dimensional Systems and …, 2022 - Elsevier
We have numerically demonstrated a tunable broadband metamaterial absorber (MA) by
introducing a graphene pattern and a gold disk, of which the bandwidth is up to 3.4 THz …