Tailoring light with layered and moiré metasurfaces

G Hu, M Wang, Y Mazor, CW Qiu, A Alù - Trends in Chemistry, 2021 - cell.com
Optical metasurfaces are assemblies of subwavelength, artificially designed inclusions
forming planarized devices with unprecedented capabilities to manipulate electromagnetic …

Reflectarrays and metasurface reflectors as diffraction gratings: A tutorial

F Liu, DH Kwon, S Tretyakov - IEEE Antennas and Propagation …, 2023 - ieeexplore.ieee.org
Reconfigurable reflectors have significant potential in future telecommunication systems,
and approaches to the design and realization of full and tunable reflection control are now …

Metasurfaces 3.0: a new paradigm for enabling smart electromagnetic environments

M Barbuto, Z Hamzavi-Zarghani… - … on Antennas and …, 2021 - ieeexplore.ieee.org
So far, the environment has been considered as a source of fading, clutter, and blockage,
with detrimental consequences for efficiency and robustness of communication systems …

A beam-steering solution with highly transmitting hybrid metasurfaces and circularly polarized high-gain radial-line slot array antennas

MU Afzal, KP Esselle, MNY Koli - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A continuous beam-steering solution for circularly polarized (CP) radial-line slot array
(RLSA) antennas is presented and demonstrated with a fabricated prototype. The solution is …

Extreme diffraction control in metagratings leveraging bound states in the continuum and exceptional points

ZL Deng, FJ Li, H Li, X Li, A Alù - Laser & Photonics Reviews, 2022 - Wiley Online Library
Coupled resonances in non‐Hermitian systems can lead to exotic optical features, such as
bound states in the continuum (BICs) and exceptional points (EPs), which have been …

Design of perfect absorber based on metagratings: theory and experiment

Z Tan, J Yi, Q Cheng, SN Burokur - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article proposes an analytical design methodology for different kinds of perfect
absorbers (PAs) based on metagratings (MGs). In the specific analysis and design, the …

Non‐local reconfigurable sparse metasurface: efficient near‐field and far‐field wavefront manipulations

V Popov, B Ratni, SN Burokur… - Advanced Optical …, 2021 - Wiley Online Library
In recent years, metasurfaces have shown extremely powerful abilities for manipulation of
electromagnetic waves. However, the local electromagnetic response of conventional …

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 …

Versatile airy-beam generation using a 1-bit coding programmable reflective metasurface

R Feng, B Ratni, J Yi, K Zhang, X Ding, H Zhang… - Physical Review …, 2020 - APS
The Airy beam, known to present particular unique features, such as diffraction-free, self-
healing, and self-bending, has attracted considerable interest in recent years. Here, an …

Independent control of multiple channels in metasurface devices

X Wang, A Díaz-Rubio, SA Tretyakov - Physical Review Applied, 2020 - APS
By analogy with electromagnetic networks that connect multiple input-output ports,
metasurfaces can be considered as multiport devices capable of providing different …