Orbital angular momentum (OAM), which describes tailoring the spatial physical dimension
of light waves into a helical phase structure, has given rise to many applications in optical …

Structured light is derived from the ability to tailor light, usually referring to the spatial control
of its amplitude, phase, and polarization. Although a venerable topic that dates back to the …

In recent years, vortex beams with orbital angular momentum (OAM) have attracted more
and more attention. The wavefront of the OAM beams is helical, the intensity at the center of …

The arrival of the big data era has driven the rapid development of high-speed optical
signaling and processing, ranging from long-haul optical communication links to short-reach …

Optical vortices carrying orbital angular momentum (OAM) have attracted increasing interest
in recent years. Optical vortices have seen a variety of emerging applications in optical …

Angular momentum, a fundamental physical quantity, can be divided into spin angular
momentum (SAM) and orbital angular momentum (OAM) in electromagnetic waves. Helically …

Optical vortex beams carrying orbital angular momentum (OAM) have received great
attention since the 1990s. In particular, OAM offers an additional degree of freedom, thus …

Metasurfaces are nanopatterned structures of sub-wavelength thickness. Their effective
refractive index and spectral characteristic can be tailored by material composition, intrinsic …

In this article, we propose a metasurface element with a simple structure and diverse
functions. Then, the polarization properties of metasurface elements were looked at, and …

Cylindrical vector beam (CVB) has recently gained attention as a promising carrier for signal
multiplexing owing to its mode orthogonality. However, the full-duplex multiplexing …