Two-dimensional and high-order directional information modulations for secure communications based on programmable metasurface

H Xu, JW Wu, ZX Wang, RW Shao, HQ Yang… - Nature …, 2024 - nature.com
Conventional wireless communication schemes indiscriminately transmit information into the
whole space and pose inherent security risks. Recently, directional information modulation …

Trapping EM Power by Hollow Cylinders

A Koshkimbay, I Yusupov, B Orazbayev… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Thin tubes can trap the electromagnetic (EM) energy, emitted wirelessly from a near-field
source. The optimal dimensions of these hollow cylinders are determined for an extensive …

Surface absorption channels in light absorption by a 2D-material-coated particle

S Zhang, J Dong, W Zhang, L Ma, L Liu - JOSA B, 2023 - opg.optica.org
Light absorption enhancement in micro-and nanoparticles has garnered considerable
attention through coated 2D materials, which are physically homogenized by surface …

Electromagnetic Analysis of Anisotropic Impedance Spherical Metasurfaces

GD Kolezas, GP Zouros - IEEE Antennas and Wireless …, 2023 - ieeexplore.ieee.org
We investigate the interaction of electromagnetic (EM) waves with a spherical conformal
metasurface, described by an anisotropic surface impedance. To this end, a full-wave …