Metasurfaces have introduced new opportunities in photonic design by offering
unprecedented, nanoscale control over optical wavefronts. These artificially structured …

Optical wireless communication (OWC) stands out as one of the most promising
technologies in the sixth-generation (6G) mobile networks. The establishment of high-quality …

Optical metasurfaces are conventionally viewed as organized flat arrays of photonic or
plasmonic nanoresonators, also called metaatoms. However, recent advancements in …

Optical vortices, featured with an infinite number of orthogonal channels of orbital angular
momentum, have demonstrated marvelous potentials in optical multiplexing and associated …

The transition matrix, frequently abbreviated as T-matrix, contains the complete information
in a linear approximation of how a spatially localized object scatters an incident field. The T …

A metasurface composed of Si3N4 with a lower refractive index can result in more
electromagnetic energy leaking into the surrounding environment compared with other …

The compression and integration of nonlinear optical processes to the nanoscale are
expected to have significant implications for quantum optics, biology, and medicine. In this …

Vectorial metasurface holography, allowing for independent control over the amplitude,
phase, and polarization distribution of holographic images enabled by metasurfaces, plays a …

Spatiotemporal optical wavepackets refer to light fields with sophisticated structures in both
space and time. The ability to produce such spatiotemporally structured optical wavepackets …

Niobium oxide dichloride (NbOCl2), a van der Waals crystal, exhibits exceptional second-
harmonic generation (SHG) with high conversion efficiency, making it a promising candidate …