Over the last two decades, the capabilities of metasurfaces in light modulation with
subwavelength thickness have been proven, and metasurfaces are expected to miniaturize …

This article reviews recent progress leading to the realization of planar optical components
made of a single layer of phase shifting nanostructures. After introducing the principles of …

Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for
application to wireless communications. RISs can be realized in different ways, which …

A reconfigurable intelligent surface (RIS) is a planar structure that is engineered to
dynamically control the electromagnetic waves. In wireless communications, RISs have …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

We review the basic physics and applications of a special class of planar metamaterials,
often called metasurfaces, which are composed of optically thin and densely packed planar …

Dynamic manipulation of electromagnetic (EM) waves with multiple degrees of freedom
plays an essential role in enhancing information processing. Currently, an enormous …

Metamaterials have great capabilities and flexibilities in controlling electromagnetic (EM)
waves because their subwavelength meta-atoms can be designed and tailored in desired …

Intelligent surfaces (ISs) have emerged as a key technology to empower a wide range of
appealing applications for wireless networks, due to their low cost, high energy efficiency …

In the wake of intense research on metamaterials the two-dimensional analogue, known as
metasurfaces, has attracted progressively increasing attention in recent years due to the …