Vortex beams are characterized by a helical wavefront and a phase singularity point on the
propagation axis that results in a doughnut-like intensity profile. These beams carry orbital …

In recent years, optical vortex beams possessing orbital angular momentum have received
much attention due to their potential for high‐capacity optical communications. This …

Nanoscale compact optical vortex generators promise substantially significant prospects in
modern optics and photonics, leading to many advances in sensing, imaging, quantum …

Orbital angular momentum associated with the helical phase-front of optical beams provides
an unbounded “space” for both classical and quantum communications. Among the different …

Vortex beams, carrying orbital angular momentum (OAM), have plenty of applications
ranging from particle manipulation to high‐capacity data transmissions. In particular, the …

Optical elements that convert the spin angular momentum (SAM) of light into vortex beams
have found applications in classical and quantum optics. These elements—SAM-to–orbital …

The optical vortex beam with an orbital angular momentum, featuring a doughnut intensity
distribution and a helically structured wavefront, has received extensive attention due to its …

Vortex beams carrying orbital angular momentum have important applications in high
dimensional optical information processing, manipulations of tiny particles, super-resolution …

The term Poincaré beam, which describes the space-variant polarization of a light beam
carrying spin angular momentum (SAM) and orbital angular momentum (OAM), plays an …

A perfect vortex beam (PVB) is a propagating optical field carrying orbital angular
momentum (OAM) with a radial intensity profile that is independent of topological charge …