Reconfigurable terahertz metamaterials: From fundamental principles to advanced 6G applications

C Xu, Z Ren, J Wei, C Lee - Iscience, 2022 - cell.com
Terahertz (THz) electromagnetic spectrum ranging from 0.1 THz to 10THz has become
critical for sixth generation (6G) applications, such as high-speed communication, fingerprint …

Terahertz metasurfaces: toward multifunctional and programmable wave manipulation

HW Tian, HY Shen, XG Zhang, X Li, WX Jiang… - Frontiers in …, 2020 - frontiersin.org
Metasurfaces, composed of prearranged artificial unit cells possessing different
electromagnetic (EM) responses, provide unprecedented abilities to realize versatile wave …

Photo-excited metasurface for tunable terahertz reflective circular polarization conversion and anomalous beam deflection at two frequencies independently

Z Xu, C Ni, Y Cheng, L Dong, L Wu - Nanomaterials, 2023 - mdpi.com
In this paper, a photo-excited metasurface (MS) based on hybrid patterned photoconductive
silicon (Si) structures was proposed in the terahertz (THz) region, which can realize the …

Metasurface-based optical liquid crystal cell as an ultrathin spatial phase modulator for THz applications

O Buchnev, N Podoliak, K Kaltenecker, M Walther… - Acs …, 2020 - ACS Publications
A concept of an efficient ultrathin spatial phase modulator for correcting terahertz wavefronts
in transmission with subwavelength spatial resolution is experimentally demonstrated. It …

Ultra-broadband high-efficiency circular polarization conversion and terahertz wavefront manipulation based on an all-metallic reflective metasurface

M Wang, Y Cheng, L Wu - Applied Optics, 2022 - opg.optica.org
In this paper, an all-metal metasurface (MS), which can achieve high-efficient reflective
circular-polarization conversion and multifunctional terahertz (THz) wavefront manipulation …

Polarization‐sensitive dielectric membrane metasurfaces

Q Yang, M Liu, S Kruk, Y Xu… - Advanced Optical …, 2020 - Wiley Online Library
Dielectric metasurfaces composed of subwavelength resonators are widely employed for
manipulating electromagnetic waves over a broad frequency spectrum ranging from …

[HTML][HTML] Terahertz cascaded metasurfaces for both spin-symmetric and asymmetric beam diffractions with active power distribution

J Liu, F Fan, Z Tan, H Zhao, J Cheng, S Chang - APL Photonics, 2023 - pubs.aip.org
Ultra-compact and tunable devices for terahertz (THz) beam manipulation are highly desired
in wireless communication and radar scanning. Although the appearance of the …

Ice-filling: Near-optimal channel estimation for dense array systems

M Cui, Z Zhang, L Dai, K Huang - arxiv preprint arxiv:2404.06806, 2024 - arxiv.org
By deploying a large number of antennas with sub-half-wavelength spacing in a compact
space, dense array systems (DASs) can fully unleash the multiplexing-and-diversity gains of …

Coupling plasmonic system for efficient wavefront control

L Niu, Q Xu, X Zhang, Z Zhang, S Li… - … Applied Materials & …, 2021 - ACS Publications
Efficient and flexible manipulation of electromagnetic waves using metasurfaces has
attracted continuous attention in recent years. However, previous studies mainly apply sole …

A focusing circular-polarization THz beam splitter based on a self-complementary metasurface

VA Lenets, SA Kuznetsov, AD Sayanskiy… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Quasi-optical polarization beam splitters are important components of terahertz
instrumentation widely used in interferometric and polarimetric measurements. Recently …