Structured light, especially beams carrying orbital angular momentum (OAM), has gained
much interest due to its unique amplitude and phase structures. In terms of communication …

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 …

Optical vortices (OVs) carrying orbital angular momentum (OAM) have attracted
considerable interest in the field of optics and photonics owing to their peculiar optical …

The angular momentum of light can be described by positions on a higher-order Poincaré
sphere, where superpositions of spin and orbital angular momentum states give rise to laser …

Recent advances in wavefront shaping have enabled complex classes of Structured Light
which carry spin and orbital angular momentum, offering new tools for light-matter …

Light beams with a helical phase-front possess orbital angular momentum along their
direction of propagation in addition to the spin angular momentum that describes their …

The paper briefly presents some essential concepts and features of light fields with strong
spatial inhomogeneity of amplitude, phase, polarization, and other parameters. It contains a …

High-dimensional biphoton states are promising resources for quantum applications,
ranging from high-dimensional quantum communications to quantum imaging. A pivotal task …

Möbius strips are three-dimensional geometrical structures, fascinating for their peculiar
property of being surfaces with only one “side”—or, more technically, being “nonorientable” …

Interest in the multiple facets of optical vortices has flourished in the last three decades. This
review examines the basic research and applications of the interplay between optical …