Recent advances in reconfigurable metasurfaces: principle and applications

Z Zhang, H Shi, L Wang, J Chen, X Chen, J Yi, A Zhang… - Nanomaterials, 2023 - mdpi.com
Metasurfaces have shown their great capability to manipulate electromagnetic waves. As a
new concept, reconfigurable metasurfaces attract researchers' attention. There are many …

Diffractive optical computing in free space

J Hu, D Mengu, DC Tzarouchis, B Edwards… - Nature …, 2024 - nature.com
Structured optical materials create new computing paradigms using photons, with
transformative impact on various fields, including machine learning, computer vision …

Dynamic millimeter-wave OAM beam generation through programmable metasurface

X Bai, F Zhang, L Sun, A Cao, C He, J Zhang… - Nanophotonics, 2022 - degruyter.com
Millimeter-wave (mmWave) and orbital angular momentum (OAM) multiplexing are two key
technologies for modern wireless communications, where significant efforts have been …

A wideband pattern diversity antenna with a low profile based on metasurface

J Liu, Z Weng, ZQ Zhang, Y Qiu… - ieee antennas and …, 2021 - ieeexplore.ieee.org
In this letter, a low-profile wideband pattern diversity antenna based on metasurface (MTS)
is proposed. Initially, based on the theory of characteristic mode (TCM), the two adjacent …

A low-profile antenna system for generating reconfigurable OAM-carrying beams

H Naseri, P PourMohammadi, N Melouki… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
A 1× 4 antenna feeding network is introduced with the capability of generating the required
phase distribution for exciting orbital angular momentum (OAM) modes 1. The proposed …

Generation of mixed-OAM-carrying waves using huygens' metasurface for mm-wave applications

H Naseri, P PourMohammadi, N Melouki, F Ahmed… - Sensors, 2023 - mdpi.com
Antennas that generate orbital angular momentum (OAM) have the potential to significantly
enhance the channel capacity of upcoming wireless systems. This is because different OAM …

Multimode OAM beam generation through 1-bit programmable metasurface antenna

M Nadi, SH Sedighy, A Cheldavi - Scientific Reports, 2023 - nature.com
Abstract modern wireless communication, the orbital angular momentum (OAM) beam is
considered as an important technology. Some considerable efforts have been devoted to …

Generation of mode-reconfigurable and frequency-adjustable OAM beams using dynamic reflective metasurface

K Guo, Q Zheng, Z Yin, Z Guo - IEEE Access, 2020 - ieeexplore.ieee.org
Recently, much attention has been paid to beams carrying orbital angular momentum (OAM)
for radio communication, which faces a great challenge of dynamic generation of OAM with …

Design and performance evaluation of oam-antennas: A comparative review

OA Saraereh - IEEE Access, 2023 - ieeexplore.ieee.org
For many communication systems, including wireless networks, mobile, satellite, radar,
remote sensing, and many more applications, antenna arrays are very necessary. Utilizing …

Orbital angular momentum (OAM) mode-reconfigurable discrete dielectric lens operating at 300 GHz

GB Wu, KF Chan, SW Qu, KF Tong… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A novel three-dimensional printed discrete dielectric lens (DDL) antenna with orbital angular
momentum (OAM) mode reconfigurability operating at 300 GHz is proposed in this article …