Active metamaterials and metadevices: a review

S Xiao, T Wang, T Liu, C Zhou, X Jiang… - Journal of Physics D …, 2020 - iopscience.iop.org
Metamaterials, as artificially structured materials composed of subwavelength arrays of
resonant unit cells, can exhibit exotic properties beyond those accessible to natural …

Review of anisotropic 2D materials: controlled growth, optical anisotropy modulation, and photonic applications

X Li, H Liu, C Ke, W Tang, M Liu… - Laser & Photonics …, 2021 - Wiley Online Library
Anisotropic 2D materials are promising building blocks for future photonic and
optoelectronic devices due to their low structural symmetry and in‐plane optical anisotropy …

Graphene-based polarization-insensitive metamaterials with perfect absorption for terahertz biosensing applications: Analytical approach

P Zamzam, P Rezaei, YI Abdulkarim… - Optics & Laser …, 2023 - Elsevier
In this paper, a terahertz metamaterials absorber structure with an average sensitivity of
2.538 THz/RIU is developed, which is very useful in various industries, including chemical …

[HTML][HTML] Graphene-based metasurface sensing applications in terahertz band

Z He, L Li, H Ma, L Pu, H Xu, Z Yi, X Cao, W Cui - Results in Physics, 2021 - Elsevier
Ultra-high sensitivity sensor has significant application for micro-nano optical devices in
terahertz. Here, we propose a simple graphene metasurface, which can achieve obvious …

[HTML][HTML] Optically switchable broadband metasurface absorber based on square ring shaped photoconductive silicon for terahertz waves

Y Cheng, J Liu, F Chen, H Luo, X Li - Physics Letters A, 2021 - Elsevier
We numerically demonstrate an optically switchable broadband metasurface absorber
(MSA) structure based on planar patterned photoconductive silicon (Si) in terahertz (THz) …

Triple plasmon-induced transparency and optical switch desensitized to polarized light based on a mono-layer metamaterial

Z Liu, X Zhang, F Zhou, X Luo, Z Zhang, Y Qin… - Optics …, 2021 - opg.optica.org
A mono-layer metamaterial comprising four graphene-strips and one graphene-square-ring
is proposed herein to realize triple plasmon-induced transparency (PIT). Theoretical results …

Double narrowband induced perfect absorption photonic sensor based on graphene–dielectric–gold hybrid metamaterial

Z Liu, S Zhuo, F Zhou, X Zhang, Y Qin, X Luo… - Nanoscale Research …, 2022 - Springer
Double narrowband induced perfect absorption in the terahertz region is achieved in a
graphene–dielectric–gold hybrid metamaterial, whose physical mechanism is analyzed …

THz broadband and dual-channel perfect absorbers based on patterned graphene and vanadium dioxide metamaterials

S Zhuo, Z Liu, F Zhou, Y Qin, X Luo, C Ji, G Yang… - Optics …, 2022 - opg.optica.org
This paper proposes a novel and perfect absorber based on patterned graphene and
vanadium dioxide hybrid metamaterial, which can not only achieve wide-band perfect …

Bandwidth-tunable near-infrared perfect absorption of graphene in a compound grating waveguide structure supporting quasi-bound states in the continuum

F Wu, D Liu, S Xiao - Optics Express, 2021 - opg.optica.org
Recently, based on the selective excitation of the guided mode, researchers realized quasi-
bound states in the continuum (quasi-BICs) in all-dielectric compound grating waveguide …

Tunable bifunctional terahertz metamaterial device based on Dirac semimetals and vanadium dioxide

T Wang, H Zhang, Y Zhang, Y Zhang, M Cao - Optics express, 2020 - opg.optica.org
A tunable bifunctional terahertz (THz) metamaterial device based on Dirac semimetal films
(DSFs) and VO_2 is presented. The insulator-to-metal phase transition of VO_2 enables …