Metasurfaces, the ultrathin, 2D version of metamaterials, have recently attracted a surge of
attention for their capability to manipulate electromagnetic waves. Recent advances in …

Reconfigurable intelligent surfaces (RISs) offer an entirely new route to alter the propagation
properties of electromagnetic waves and thus control their reflection, refraction, and …

Terahertz (THz) technologies have become a focus of research in recent years due to their
prominent role in envisioned future communication and sensing systems. One of the key …

Digitally programmable metasurfaces are of potential use in wireless multiplexing
techniques because they can encode and transmit information without using traditional radio …

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

The recently proposed digital coding metasurfaces make it possible to control
electromagnetic (EM) waves in real time, and allow the implementation of many different …

Metasurfaces are artificially engineered ultrathin structures that can finely tailor and control
electromagnetic wavefronts. There is currently a strong interest in exploring their capability …

Optical metasurfaces, capable of manipulating the properties of light with a thickness at the
subwavelength scale, have been the subject of extensive investigation in recent decades …

We present wave-based signal differentiation with unprecedented fidelity and flexibility by
purposefully perturbing overmoded random scattering systems such that zeros of their …

Digital coding metasurfaces are aimed at simplifying the design and optimization
procedures, and manipulating electromagnetic waves in digital manner. In this paper, a …