Thirty years ago, Coullet et al. proposed that a special optical field exists in laser cavities
bearing some analogy with the superfluid vortex. Since then, optical vortices have been …

As an indispensable complement to an integer vortex beam, the fractional vortex beam has
unique physical properties such as radially notched intensity distribution, complex phase …

The pace of innovations in the field of optical trapping has ramped up in the past couple of
years. The implementation of structured light, leading to groundbreaking inventions such as …

This article reviews recent progress leading to the generation of optical vortex beams. After
introducing the basics of optical vortex beams and their promising applications, we …

Spatiotemporal sculpturing of light pulse with ultimately sophisticated structures represents a
major goal of the everlasting pursue of ultra-fast information transmission and processing as …

Recently, spatiotemporal optical vortex pulses carrying a purely transverse intrinsic orbital
angular momentum were generated experimentally [Optica 6, 1547 (2019) OPTIC8 2334 …

Recently, an intriguing 2D metamaterial, called the metasurface,[24] has gained attention
due to its ability to manipulate optical phase fronts. Instead of acquiring a desired phase …

Orbital angular momentum (OAM) has demonstrated great success in the optical
communication field, which theoretically allows an infinite increase of the transmitted …

Both classical and quantum waves can form vortices: entities with helical phase fronts and
circulating current densities. These features determine the intrinsic orbital angular …

All forms of waves can contain phase singularities,,,. In the case of optical waves, a light
beam with a phase singularity carries orbital angular momentum, and such beams have …