A switchable terahertz device combining ultra-wideband absorption and ultra-wideband complete reflection

Z Zheng, Y Zheng, Y Luo, Z Yi, J Zhang, Z Liu… - Physical Chemistry …, 2022 - pubs.rsc.org
Terahertz functional devices have been instrumental in the development of terahertz
technology. Moreover, the advent of metamaterials has greatly contributed to the …

Metamaterial and nanomaterial electromagnetic wave absorbers: structures, properties and applications

J Zhou, Z Liu, X Liu, G Fu, G Liu, J Chen… - Journal of Materials …, 2020 - pubs.rsc.org
Perfect absorbers (PAs) are devices that can realize the annihilation of incident
electromagnetic waves (EMWs) by eliminating reflection and transmission. Such engineered …

Broadband metamaterials and metasurfaces: a review from the perspectives of materials and devices

J Jung, H Park, J Park, T Chang, J Shin - Nanophotonics, 2020 - degruyter.com
Metamaterials can possess extraordinary properties not readily available in nature. While
most of the early metamaterials had narrow frequency bandwidth of operation, many recent …

Terahertz absorber with dynamically switchable dual-broadband based on a hybrid metamaterial with vanadium dioxide and graphene

Y Liu, R Huang, Z Ouyang - Optics Express, 2021 - opg.optica.org
An absorber based on hybrid metamaterial with vanadium dioxide and graphene has been
proposed to achieve dynamically switchable dual-broadband absorption property in the …

[HTML][HTML] Ultra-narrowband, electrically switchable, and high-efficiency absorption in monolayer graphene resulting from lattice plasmon resonance

Y Wu, P Cai, Q Nie, C Tang, F Liu, M Zhu - Results in Physics, 2023 - Elsevier
We propose a novel approach to obtain the ultra-narrowband, electrically switchable, and
high-efficiency absorption in the monolayer graphene. The monolayer graphene is …

Vanadium dioxide-assisted broadband tunable terahertz metamaterial absorber

H Liu, ZH Wang, L Li, YX Fan, ZY Tao - Scientific reports, 2019 - nature.com
Tunable terahertz (THz) functional devices have exhibited superior performances due to the
use of active materials, such as liquid crystals, graphene, and semiconductors. However, the …

A broadband tunable terahertz metamaterial absorber based on single-layer complementary gammadion-shaped graphene

F Chen, Y Cheng, H Luo - Materials, 2020 - mdpi.com
We present a simple design of a broadband tunable metamaterial absorber (MMA) in the
terahertz (THz) region, which consists of a single layer complementary gammadion-shaped …

Terahertz broadband tunable reflective cross-polarization convertor based on complementary cross-shaped graphene metasurface

Y Cheng, X Zhu, J Li, F Chen, H Luo, L Wu - Physica E: Low-dimensional …, 2021 - Elsevier
In this work, a broadband tunable reflective polarization convertor using a single layer
complementary-cross-shaped (CCS) graphene metasurface was proposed and investigated …

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 …