Surface plasmons are coherent and collective electron oscillations confined at the dielectric–
metal interface. Benefitting from the inherent subwavelength nature of spatial profile, surface …

Moiré superlattices—twisted van der Waals (vdW) structures with small angles—are
attracting increasing attention in condensed matter physics, due to important phenomena …

Photonic time-crystals (PTCs) are spatially homogeneous media whose electromagnetic
susceptibility varies periodically in time, causing temporal reflections and refractions for any …

For over 80 years of research, the conventional description of free-electron radiation
phenomena, such as Cherenkov radiation, has remained unchanged: classical three …

Optical nonreciprocity is an essential property for a wide range of applications, such as
building nonreciprocal optical devices that include isolators and circulators. The realization …

Cherenkov detectors enable a valuable tool to identify high-energy particles. However, their
sensitivity and momentum coverage are limited by the refractive index of host materials …

van der Waals heterostructures of atomically thin layers with rotational misalignments, such
as twisted bilayer graphene, feature interesting structural moiré superlattices. Because of the …

In the past two decades, acoustic metamaterials have garnered much attention owing to
their unique functional characteristics, which are difficult to find in naturally available …

This article presents multi-band plasmonic absorbers based on a graphene array at
terahertz frequencies. The absorbers are made of a very simple structure including a …

Polarization, as a fundamental property of light, plays a key role in many phenomena of near‐
field coupling, namely the coupling of source's evanescent waves into some guided modes …