Metasurface micro/nano-optical sensors: principles and applications

J Qin, S Jiang, Z Wang, X Cheng, B Li, Y Shi, DP Tsai… - ACS …, 2022 - ACS Publications
Metasurfaces are 2D artificial materials consisting of arrays of metamolecules, which are
exquisitely designed to manipulate light in terms of amplitude, phase, and polarization state …

Reconfigurable intelligent surfaces: Principles and opportunities

Y Liu, X Liu, X Mu, T Hou, J Xu… - … surveys & tutorials, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces
(IRSs), or large intelligent surfaces (LISs), 1 have received significant attention for their …

Smart radio environments empowered by reconfigurable intelligent surfaces: How it works, state of research, and the road ahead

M Di Renzo, A Zappone, M Debbah… - IEEE journal on …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for
application to wireless communications. RISs can be realized in different ways, which …

Pushing the limits of functionality‐multiplexing capability in metasurface design based on statistical machine learning

W Ma, Y Xu, B Xiong, L Deng, RW Peng… - Advanced …, 2022 - Wiley Online Library
As 2D metamaterials, metasurfaces provide an unprecedented means to manipulate light
with the ability to multiplex different functionalities in a single planar device. Currently, most …

STAR-RISs: Simultaneous transmitting and reflecting reconfigurable intelligent surfaces

J Xu, Y Liu, X Mu, OA Dobre - IEEE Communications Letters, 2021 - ieeexplore.ieee.org
In this letter, simultaneous transmitting and reflecting reconfigurable intelligent surfaces
(STAR-RISs) are studied. Compared with the conventional reflecting-only RISs, the …

Intelligent reflecting surfaces: Physics, propagation, and pathloss modeling

Ö Özdogan, E Björnson… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
Intelligent reflecting surfaces can improve the communication between a source and a
destination. The surface contains metamaterial that is configured to “reflect” the incident …

Diffractive nonlocal metasurfaces

A Overvig, A Alù - Laser & Photonics Reviews, 2022 - Wiley Online Library
Metasurfaces are ushering in an era of multifunctional control over optical wavefronts
realized with ultrathin planarized devices. Recent advances have been enabling …

Intelligent reflecting surface versus decode-and-forward: How large surfaces are needed to beat relaying?

E Björnson, Ö Özdogan… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
The rate and energy efficiency of wireless channels can be improved by deploying software-
controlled metasurfaces to reflect signals from the source to the destination, especially when …

Nonlocal flat optics

K Shastri, F Monticone - Nature Photonics, 2023 - nature.com
In electromagnetics and photonics,'nonlocality'refers to the phenomenon by which the
response/output of a material or system at a certain point in space depends on the input field …

Communication models for reconfigurable intelligent surfaces: From surface electromagnetics to wireless networks optimization

M Di Renzo, FH Danufane… - Proceedings of the …, 2022 - ieeexplore.ieee.org
A reconfigurable intelligent surface (RIS) is a planar structure that is engineered to
dynamically control the electromagnetic waves. In wireless communications, RISs have …