[PDF][PDF] Metasurfaces: physics and applications in wireless communications

VG Ataloglou, S Taravati… - National Science …, 2023 - academic.oup.com
The ever increasing number of wireless devices and systems has led to a crowded spectrum
and increased the demand for versatile and multi-functional wireless apparatuses. Recently …

Recent advances in bianisotropic boundary conditions: theory, capabilities, realizations, and applications

J Budhu, A Grbic - Nanophotonics, 2021 - degruyter.com
In recent years, new functionality and unprecedented wavefront control has been enabled
by the introduction of bianisotropic metasurfaces. A bianisotropic metasurface is …

Design of planar and conformal, passive, lossless metasurfaces that beamform

J Budhu, L Szymanski, A Grbic - IEEE Journal of Microwaves, 2022 - ieeexplore.ieee.org
A general technique for synthesizing both planar and conformal beamforming metasurfaces
is presented that utilizes full-wave modeling techniques and rapid optimization methods …

Extreme beam-forming with impedance metasurfaces featuring embedded sources and auxiliary surface wave optimization

G Xu, VG Ataloglou, SV Hum, GV Eleftheriades - IEEE Access, 2022 - ieeexplore.ieee.org
We present the end-to-end design of compact passive and lossless metasurface antennas
with integrated feeds. The complete low-profile system consists of a single-layered reactive …

Static and reconfigurable Huygens' metasurfaces: Use in antenna beamforming and beam steering

VG Ataloglou, G Egorov, J Kim, G Xu… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
In this article, we review recent advances in static and reconfigurable Huygens'
metasurfaces (HMSs) for antenna beamforming and beam steering. First, the fundamental …

A combined machine-learning/optimization-based approach for inverse design of nonuniform bianisotropic metasurfaces

P Naseri, S Pearson, Z Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Electromagnetic metasurface (EMMS) design based on far-field (FF) constraints without the
complete knowledge of the fields on both sides of the metasurface is typically a time …

Unit cell design for aperiodic metasurfaces

J Budhu, N Ventresca, A Grbic - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A technique is presented for the design of printed unit cells in aperiodic metasurface
environments. The method begins with a solved matrix equation governing electromagnetic …

Current based automated design of realizable metasurface antennas with arbitrary pattern constraints

M Zucchi, F Vernì, M Righero… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We present a 3-D method to numerically design a realizable metasurface, which transforms
a given incident field into a radiated field that satisfies mask-type (inequality) constraints …

Fast and accurate optimization of metasurfaces with gradient descent and the woodbury matrix identity

J Budhu, A Grbic - IEEE Transactions on Antennas and …, 2023 - ieeexplore.ieee.org
A fast metasurface optimization strategy for finite-size metasurfaces modeled using integral
equations is presented. The metasurfaces considered are constructed from finite, patterned …

Design of beamforming, transparent metasurfaces using integral equations

M Almunif, J Budhu, A Grbic - arXiv preprint arXiv:2310.05965, 2023 - arxiv.org
An accurate method for designing transmissive metasurfaces is presented that provides
perfect transmission while transforming the amplitude and phase of the wavefront. The …