Empowered layer effects and prominent properties in few‐layer metasurfaces

S Chen, Y Zhang, Z Li, H Cheng… - Advanced Optical …, 2019 - Wiley Online Library
Metamaterials are 3D artificial structures proposed to surpass conventional natural materials
and realize novel functions beyond traditional optical elements. Nevertheless, they are …

A tunable metasurface with switchable functionalities: from perfect transparency to perfect absorption

Y Li, J Lin, H Guo, W Sun, S **ao… - Advanced optical …, 2020 - Wiley Online Library
A thin screen exhibiting dynamically switchable transmission/absorption functionalities is
highly desired in practice. However, a trilayer transmissive metasurface with active elements …

Transparent dynamic metasurface for a visually unaffected reconfigurable intelligent surface: controlling transmission/reflection and making a window into an RF lens

D Kitayama, Y Hama, K Goto, K Miyachi, T Motegi… - Optics …, 2021 - opg.optica.org
Reconfigurable intelligent surfaces (RISs) that dynamically manipulate scattered waves
have attracted much attention regarding accommodating coverage holes in wireless …

A tunable dual-band asymmetric transmission metasurface with strong circular dichroism in the terahertz communication band

X Tao, L Qi, T Fu, B Wang, JA Uqaili, C Lan - Optics & Laser Technology, 2022 - Elsevier
We propose a tunable dual-band terahertz (THz) asymmetric transmission (AT) metasurface
with strong circular dichroism (CD). The structure consists of two metal layers separated by a …

Single-layer metasurface for ultra-wideband polarization conversion: bandwidth extension via Fano resonance

Z Zhang, J Wang, X Fu, Y Jia, H Chen, M Feng… - Scientific Reports, 2021 - nature.com
In this paper, we propose a method of designing ultra-wideband single-layer metasurfaces
for cross-polarization conversion, via the introduction of Fano resonances. By adding sub …

Reconfigurable step-zoom metalens without optical and mechanical compensations

R Fu, Z Li, G Zheng, M Chen, Y Yang, J Tao, L Wu… - Optics express, 2019 - opg.optica.org
A polarization-dependent metasurface that consists of nanobrick arrays with spatial varying
dimensions in two orthogonal directions has shown independent phase control ability, which …

Ultrafast polarization-dependent all-optical switching of germanium-based metaphotonic devices

H Sun, Y Hu, Y Tang, J You, J Zhou, H Liu… - Photonics …, 2020 - opg.optica.org
Metamaterials play an important role in the modulation of amplitude and group delay in the
terahertz (THz) regime on account of their optical properties, which are rare in natural …

Circularly polarized light emission from a GaN micro-LED integrated with functional metasurfaces for 3D display

X Gao, Y Xu, J Huang, Z Hu, W Zhu, X Yi, L Wang - Optics Letters, 2021 - opg.optica.org
This Letter proposes a circularly polarized (CP) light GaN micro-LED which is integrated with
functional metasurfaces. The one-dimensional metallic nanograting can achieve a high …

Terahertz dual-band asymmetric transmission for a single cross-polarized linear wave

X Tao, L Qi, H Hu, T Fu, JA Uqaili - Optics Express, 2021 - opg.optica.org
The reported dual-band asymmetric transmission is usually an effect of mutual polarization
conversion, where one polarized wave is converted to its cross-polarization in the first band …

A complete phase diagram for dark-bright coupled plasmonic systems: applicability of Fano's formula

W Huang, J Lin, M Qiu, T Liu, Q He, S **ao, L Zhou - Nanophotonics, 2020 - degruyter.com
Although coupled plasmonic systems have been extensively studied in the past decades,
their theoretical understanding is still far from satisfactory. Here, based on experimental and …