Herein, we have discussed three major methods which have been generally employed for
the generation of optical beams with orbital angular momentum (OAM). These methods …

In the last three decades, light's orbital angular momentum (OAM) has been of great interest
because it has unique characteristics that make it sought after in many research fields …

Abstract Photonic Integrated Circuits (PIC) make it possible to meet expanding demand for
internet communication systems, which is growing at a pace of roughly 40% each year. The …

Light beams bearing orbital angular momentum (OAM) are used in various scientific and
engineering applications, such as microscopy, laser material processing, and optical …

Performing the laser processing of materials implies the importance of producing the desired
effect on local regions with a predetermined distribution of the beam-power density. The …

The experimental results of the conservation of the optical vortex polarization state and the
topological charge value at the propagation along the wrapped optical fiber by the filtration …

Vortex beams, characterized by a spiral phase distribution and bearing orbital angular
momentum, have unique properties that make them valuable for the research and practical …

In this study, we study a wide class of vector laser beams, Poincaré beams, which, as
special cases, include both uniformly polarized beams with linear and circular polarization …

In this research, a superposition identical parallel Laguerre–Gaussian beams with sole rings
is investigated. We numerically and theoretically demonstrated that the total topological …

The PhC structure for integrated optical elements diagnostics is described. The self-
collimated waveguide is numerically investigated. The coupling between waveguides of …