Dual-controlled broadband terahertz absorber based on graphene and Dirac semimetal

H Xiong, Q Ji, T Bashir, F Yang - Optics express, 2020 - opg.optica.org
We proposed a dual-controlled broadband terahertz (THz) absorber based on graphene
and Dirac semimetal. Calculated results show that the absorptance over 90% is achieved in …

Recent advances in photonics of three-dimensional Dirac semimetal Cd3As2

R Zhou, K Ullah, N Hussain… - Advanced …, 2022 - spiedigitallibrary.org
Due to their unusual features in condensed matter physics and their applicability in optical
and optoelectronic applications, three-dimensional Dirac semimetals (3D DSMs) have …

Dirac terahertz plasmonics in two and three dimensions

KJA Ooi, YS Ang, Q Zhai, X Sun, P Xing, CK Ong… - Optics …, 2020 - Elsevier
Material science at the beginning of the twenty-first century has largely been dominated by
the study of graphene and other Dirac-type materials. Interesting physics manifest in the …

Analyzing broadband tunable metamaterial absorbers by using the symmetry model

H Xiong, Q Yang, ZC Huang, WX Peng, H Zhang - Optics Express, 2021 - opg.optica.org
In this paper, a broadband tunable absorber based on bulk Dirac semimetal (BDS) in the far-
infrared regime is studied. By optimizing the Femi energy and geometric size, the structure …

[HTML][HTML] Broadband terahertz absorber based on Dirac semimetal with tunable working bandwidth

H Xiong, Q Shen, TB Long - Results in Physics, 2020 - Elsevier
A broadband metamaterial absorber (MA) based on bulk Dirac semimetal (BDS) with the
property that the working bandwidth can be tuned is proposed. By changing the pattern on …

[PDF][PDF] 可调谐太赫兹超材料吸波器研究进展

张若雅, 朱巧芬, 张岩 - 量子电子学报, 2023 - researching.cn
太赫兹超材料吸波器具有吸收强, 厚度薄, 质量轻等优点, 已被广泛应用于隐身材料,
频率选择表面, 太赫兹成像, 通信传感等方面. 但是, 基于金属结构的传统太赫兹超材料吸波器 …

[HTML][HTML] Dual-tunable broadband terahertz absorber based on a hybrid graphene-dirac semimetal structure

J Wu, X Yuan, Y Zhang, X Yan, X Zhang - Micromachines, 2020 - mdpi.com
A dual-controlled tunable broadband terahertz absorber based on a hybrid graphene-Dirac
semimetal structure is designed and studied. Owing to the flexible tunability of the surface …

Controllable optical bistability in a Fabry–Pérot cavity with a nonlinear three-dimensional Dirac semimetal

HX Yuan, JX Li, QJ Ma, HS Tian, YY Ye… - Chinese …, 2024 - iopscience.iop.org
Optical bistability (OB) is capable of rapidly and reversibly transforming a parameter of an
optical signal from one state to another, and homologous nonlinear optical bistable devices …

Research progress of tunable terahertz metamaterial absorbers

Z Ruoya, ZHU Qiaofen, Z Yan - Chinese Journal of Quantum …, 2023 - lk.hfcas.ac.cn
Terahertz metamaterial absorber has the advantages of strong absorption, thin thickness
and light weight, and has been widely used in stealth materials, frequency selective …