Metamaterials, as artificially structured materials composed of subwavelength arrays of
resonant unit cells, can exhibit exotic properties beyond those accessible to natural …

We aim at providing a global perspective on electromagnetic nonreciprocity and clarifying
confusions that arose in recent developments of the field. We provide a general definition of …

Metasurfaces, with extremely exotic capabilities to manipulate electromagnetic (EM) waves,
have derived a plethora of advanced metadevices with intriguing functionalities …

Moiré superlattices have led to observations of exotic emergent electronic properties such
as superconductivity and strong correlated states in small-rotation-angle twisted bilayer …

Recent efforts have been heavily devoted to the development of next‐generation
optoelectronic devices based on 2D materials, due to their unique optical properties that are …

Light modulation is an essential operation in photonics and optoelectronics. With existing
and emerging technologies increasingly demanding compact, efficient, fast and broadband …

Owing to their atomic layer thickness, strong light–material interaction, high nonlinearity,
broadband optical response, fast relaxation, controllable optoelectronic properties, and high …

Van der Waals heterostructures (vdWHs) based on 2D layered materials with selectable
materials properties pave the way to integration at the atomic scale, which may give rise to …

Terahertz (THz) light has proven to be a fine tool to probe and control quasi-particles and
collective excitations in solids, to drive phase transitions and associated changes in material …

Recent years have witnessed many breakthroughs in research on graphene (the first two-
dimensional atomic crystal) as well as a significant advance in the mass production of this …