Controllable electromagnetically induced transparency in an electrically tunable terahertz hybrid metasurface

R Yang, F Zhang, Z Li, Q Fu, Y Fan - Optics & Laser Technology, 2023 - Elsevier
Dynamic tuning of metasurfaces with active components is a prospective solution to improve
their operation bandwidth. Here, we propose and experimentally demonstrate controllable …

All-graphene geometric terahertz metasurfaces for generating multi-dimensional focused vortex beams

H Li, C Zheng, H Xu, J Li, C Song, F Yang, J Li… - Optics & Laser …, 2023 - Elsevier
Simultaneously assembling the functions of lenses and phase vortices into geometric
metasurfaces on an ultra-compact platform can potentially be used for light trap** and …

[HTML][HTML] Chiral metasurface absorber with near-infrared excitation-induced dual circular dichroism

Z Gao, P Wang, Z Xu, T Zhao - Optics & Laser Technology, 2024 - Elsevier
Microscopic components in metasurfaces allow precise control of electromagnetic waves,
enabling chiral metasurface absorbers to adapt to different frequencies and wavelengths of …

Terahertz bandpass filter with Babinet complementary metamaterial mirrors and silicon subwavelength structure

K Miyata, L Toyoshima, K Iijima, Y Goto… - Optics …, 2023 - opg.optica.org
We fabricated a rigid bandpass filter with a broad far-infrared wavelength range of high
transmission using a silicon subwavelength structure with a Babinet complementary …

Polarization-controlled varifocal metalens with a phase change material GSST in mid-infrared

J Tan, Z Zhao, R Chen, F Yu, J Chen, J Wang, G Li… - Optics …, 2022 - opg.optica.org
Detection of aldehyde carbonyl radiation plays an essential role in guaranteeing the safety
of fried food. However, the radiation of low-content aldehyde carbonyl is always weak and …

Design of an optically transparent microwave absorber based on coding metasurface

S Lai, G Liu, Y Guo, Y Liu - Symmetry, 2022 - mdpi.com
In this paper, a metamaterial absorber with a checkerboard patterned ITO (indium tin oxide)
film as the surface is obtained by using flexible and optically transparent wave-absorbing …

Four-band terahertz metamaterial absorber based on Dirac semimetal for a refractive index sensing application

J Jiang, W Xu, Y Wu, G Duan, C Xu, Q Zhao, H Zhu… - Applied Optics, 2023 - opg.optica.org
We design a four-band narrow-band near-perfect absorber based on bulk Dirac semimetal
(BDS) metamaterial in the terahertz region. The absorber has a top-to-bottom three-layer …

Nonvolatile multi-level adjustable optical switch based on the phase change material

Z Quan, Y Wan, X Ma, J Wang - Optics Express, 2022 - opg.optica.org
For the advantages of the faster computation speed and lower energy consumption, all-
optical computation has attracted great attention compared with the traditional electric …

Design of a low-loss non-volatile optical phase shifter based on the lossy phase change material Ge2Sb2Te5

L Niu, J Zhang, R Yu, L Yang, Y Lu, W Zhang… - Optics …, 2024 - opg.optica.org
We present a low-loss, non-volatile optical phase shifter leveraging the phase change
material (PCM) Ge_2Sb_2Te_5 (GST) operating at a 1550 nm wavelength. The design is …

Terahertz Metamaterial Absorber Based on Ni–Mn–Sn Ferromagnetic Shape Memory Alloy Films

R Liu, X Wang, J Zhu, X Tian, W Zhao, C Tan, K Zhang - Metals, 2023 - mdpi.com
Terahertz absorbers have been extensively investigated by researchers due to their
applications in thermophotovoltaic energy conversion and sensors, but a key factor limiting …