In free-space optical communications that use both amplitude and phase data modulation
(for example, in quadrature amplitude modulation (QAM)), the data are typically recovered …

This paper explores the data carrying capacity enhancement in free space optics (FSO)
transmission systems by employing orbital angular momentum (OAM) multiplexing …

We experimentally demonstrate turbulence-resilient free-space optical (FSO) coherent
communications with multiple multiplexed data channels in different orthogonal domains …

In this work, an optical angular momentum (OAM) multiplexing enabled 400 Gbps free space
optical communication (FSOC) system has been proposed using polarization division …

Remote sensing modalities can utilize the effects of laser scattering from particulate matter to
infer information about environmental conditions present in the optical path. Light contains …

Free-space optical (FSO) communications has potential advantages of higher data capacity
and lower probability of interception, when compared to radio-frequency communications …

Laser based optical applications such as imaging, ranging, and wireless communications
are susceptible to environmental distortions. Inferring the strength of these optical distortions …

The present research evaluates optical angular momentum's (OAM) performance in
challenging atmospheric conditions and emphasizes its significance in free space optical …

There has been extensive interest in increasing data capacity and spectral efficiency of free‐
space optical (FSO) communications. This chapter reviews the principle and experimental …

Within the last few decades, the spatial degree of freedom of light has gained significant
attention in the form of photonic orbital angular momentum (OAM). The use of OAM for …