This tutorial discusses optical communication systems that propagate light carrying orbital
angular momentum through random media and use machine learning (aka artificial …

Recognition of multifrequency microwave (MW) electric fields is challenging because of the
complex interference of multifrequency fields in practical applications. Rydberg atom-based …

Orbital angular momentum (OAM) is a new physical dimension that has revolutionized
optical communication. This paper presents the common vortex beams (VBs) and the state …

In light of pending capacity crunch in information era, orbital-angular-momenta-carrying
vortex beams are gaining traction thanks to enlarged transmission capability. However, high …

Structured light with customized topological patterns inspires diverse classical and quantum
investigations underpinned by accurate detection techniques. However, the current …

We demonstrate the spin to orbital angular momentum transfer in frequency upconversion
with structured light beams. A vector vortex is coupled to a circularly polarized Gaussian …

We report an experimental proof of concept for speckle-based one-to-three non-line-of-sight
(NLOS) free space optical (FSO) communication channels employing structured light shift …

The orbital angular momentum (OAM) of light is an infinite-dimensional degree of freedom of
light with several applications in both classical and quantum optics. However, to fully take …

Intensity degenerate orbital angular momentum (OAM) modes are impossible to recognize
by direct visual inspection even using available machine learning techniques. We are …

Light beams carrying orbital-angular-momentum (OAM) play an important role in optical
manipulation and communication owing to their unbounded state space. However, it is still …