Terahertz beam steering technologies: from phased arrays to field‐programmable metasurfaces

X Fu, F Yang, C Liu, X Wu, TJ Cui - Advanced optical materials, 2020 - Wiley Online Library
In past decades, terahertz radiation, which locates between microwave and far‐infrared light
in the electromagnetic spectrum, has attracted more and more attention. Various passive …

Hardware aspects of sub-THz antennas and reconfigurable intelligent surfaces for 6G communications

K Rasilainen, TD Phan, M Berg… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
The need for unrestricted, high-quality, and high-speed communications in planned sixth
generation (6G) wireless systems drives the development and research towards the sub …

Electrically addressable integrated intelligent terahertz metasurface

B Chen, X Wang, W Li, C Li, Z Wang, H Guo, J Wu… - Science …, 2022 - science.org
Reconfigurable intelligent surfaces (RISs) play an essential role in various applications,
such as next-generation communication, uncrewed vehicles, and vital sign recognizers …

Programmable manipulations of terahertz beams by transmissive digital coding metasurfaces based on liquid crystals

CX Liu, F Yang, XJ Fu, JW Wu, L Zhang… - Advanced Optical …, 2021 - Wiley Online Library
Digital coding metasurfaces have attracted considerable interest, owing to their ability to
manipulate electromagnetic waves and implement various functionalities with …

A low-profile programmable beam scanning holographic array antenna without phase shifters

S Pan, M Lin, M Xu, S Zhu, LA Bian… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
Beam scanning antenna brings new opportunities to reduce the data collision of multinode
communication in the Internet of Things (IoT). This article proposes a new type antenna …

A dual-polarized reconfigurable reflectarray antenna based on dual-channel programmable metasurface

N Zhang, K Chen, J Zhao, Q Hu, K Tang… - … on Antennas and …, 2022 - ieeexplore.ieee.org
The concept of dual-polarized reconfigurable reflectarray (RRA) featuring dual-polarized
beam control is proposed and demonstrated using a dual-channel programmable …

Beamforming technologies for ultra-massive MIMO in terahertz communications

B Ning, Z Tian, W Mei, Z Chen, C Han… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
Terahertz (THz) communications with a frequency band 0.1–10 THz are envisioned as a
promising solution to future high-speed wireless communication. Although with tens of …

Electronically-controlled beam-steering through vanadium dioxide metasurfaces

MRM Hashemi, SH Yang, T Wang, N Sepúlveda… - Scientific reports, 2016 - nature.com
Engineered metamaterials offer unique functionalities for manipulating the spectral and
spatial properties of electromagnetic waves in unconventional ways. Here, we report a novel …

Liquid Crystals for Advanced Smart Devices with Microwave and Millimeter‐Wave Applications: Recent Progress for Next‐Generation Communications

J Ma, J Choi, S Park, I Kong, D Kim, C Lee… - Advanced …, 2023 - Wiley Online Library
Liquid crystals (LCs) technology have a well‐established history of applications in visible
light, particularly in the display industry. However, with the rapid growth in communication …

Review paper on transmitarray antennas

JR Reis, M Vala, RFS Caldeirinha - IEEE Access, 2019 - ieeexplore.ieee.org
This paper presents a thorough review of transmitarray devices particularly aiming antenna
beamsteering, gathering some of the most relevant solutions published by the scientific …