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

Abstract 2D optics is gradually emerging as a frontier in modern optics. Plasmons in
graphene provide a prominent platform for 2D optics in which the light is squeezed into …

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

One of the fundamental hurdles in plasmonics is the trade-off between electromagnetic field
confinement and the coupling efficiency with free-space light, a consequence of the large …

In this Perspective, we discuss the different opportunities offered by time-modulated
metasurfaces for dynamic wavefront engineering and space-time photonics. Efforts in …

Metasurfaces have shown their great capability to manipulate electromagnetic waves. As a
new concept, reconfigurable metasurfaces attract researchers' attention. There are many …

The recent development of metasurfaces offers a unique technique for the arbitrary control of
electromagnetic waves by spatially manipulating their amplitudes and phases. However …

In the field of nanophotonics, metasurfaces have come to the forefront in real‐world
applications, owing to their accessible exotic optical properties that can be readily designed …

Optical metasurfaces are nanoengineered architectures aiming at the functional control of
light propagation. In recent years, the performance of metasurfaces has been significantly …

A severe limitation of current acoustic metasurfaces remains in their modest tunability to
meet multifrequency requirements and alterable functionalities on demand. Here, a …