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 …

Exceptional points are complex branching singularities of non-Hermitian bands that have
lately attracted considerable interest, particularly in non-Hermitian photonics. In this article …

Topological pumps have garnered substantial attention in physics. However, the
requirement for slow evolution speed to satisfy adiabaticity greatly restricts their application …

Exceptional points (EPs), unique junctures in non-Hermitian open systems where
eigenvalues and eigenstates simultaneously coalesce, have gained notable attention in …

Efficient transceivers and antennas at terahertz frequencies are leading the development of
6G terahertz communication systems. The antenna design for high‐resolution terahertz …

Photonic transport facilitated by topological protection is a proposed advantage of photonic
topological waveguides based on valley photonic crystals (VPCs). Although topological …

Exceptional points are complex branching singularities of non-Hermitian bands that have
lately attracted considerable interest, particularly in non-Hermitian photonics. In this article …

The photonic properties of cholesteric liquid crystals (CLCs) in an external magnetic field
parallel to the helix axis are theoretically investigated for the first time in the short …

Parity-time (PT) symmetry is extensively studied within non-Hermitian physical systems as it
has the capability to ensure the presence of real eigenenergies of the systems characterized …

The continuing miniaturization of semiconductor devices necessitates advanced techniques
to probe carrier distribution and dynamics with high resolutions on both length and time …