Intelligent metasurfaces have gained significant importance in recent years due to their
ability to dynamically manipulate electromagnetic (EM) waves. Their multifunctional …

Abstract Space-time-modulated metastructures characterized by spatiotemporally varying
properties have recently attracted great interest and become one of the most fascinating and …

Digital programmable metasurfaces provide a very powerful and versatile platform for
implementing spatio‐temporal modulation schemes that are of great interest within the …

Aiming at the critical problem of wireless power transfer (WPT) for the current growing
number of wireless devices, the multitarget WPT system based on metasurface-holography …

In this paper, generation of optical vortices with time-varying orbital angular momentum
(OAM) and topological charge is theoretically demonstrated based on time-modulated …

In the quest to realize analog signal processing using subwavelength metasurfaces, in this
paper, we present the first demonstration of programmable time-modulated metasurface …

Digital metasurfaces based on space‐time coding have established themselves as a
powerful and versatile platform for joint spatial/spectral control of electromagnetic waves …

Programmable metasurfaces enable real-time control of electromagnetic waves in a digital
coding manner, which are suitable for implementing time-domain metasurfaces with strong …

Recently, traditional tunable coding metasurfaces integrated with active components or
materials have exhibited not only many functionalities, but also reconfigurable responses …

This Roadmap takes the reader on a journey through the research in electromagnetic wave
propagation control via reconfigurable intelligent surfaces. Meta-surface modelling and …