Metamaterials are composed of periodic subwavelength metallic/dielectric structures that
resonantly couple to the electric and magnetic fields of the incident electromagnetic waves …

The photonic spin Hall effect (SHE) refers to the transverse spin separation of photons with
opposite spin angular momentum, after the beam passes through an optical interface or …

Vortex beam carrying orbital angular momentum (OAM) has been widely explored in optical
and microwave regions attributed to its potential characteristics in communication systems …

Metasurfaces are ultrathin metamaterials consisting of planar electromagnetic (EM)
microstructures (eg, meta-atoms) with pre-determined EM responses arranged in specific …

The physical basis of a smart city, the wireless channel, plays an important role in
coordinating functions across a variety of systems and disordered environments, with …

Metasurfaces are planar metamaterials exhibiting certain inhomogeneous phase
distributions for transmitted or reflected waves, which can efficiently reshape the wave‐fronts …

Gradient metasurface provides a new way for controlling electromagnetic wave, and vortex
beam can be widely used to improve the performance of wireless communication. Here …

The Pancharatnam-Berry (PB) phase can be used to control the phase of circularly polarized
electromagnetic waves. However, there are few studies on the modulation of dual-circularly …

Virtual reality (VR) and augmented reality (AR) have found widespread applications in
education, engineering, healthcare, and entertainment. However, these near-eye displays …

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