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 …

There is a growing interest in structured light, especially orbital angular momentum (OAM)
beams, due to its unique amplitude and phase structure. Multiple orthogonal OAM beams …

Structured electromagnetic waves carrying orbital angular momentum (OAM) have been
explored in various frequency regimes to enhance the data capacity of communication …

The channel capacity of terahertz (THz) wireless communications can be increased by
multiplexing multiple orthogonal data-carrying orbital-angular-momentum (OAM) beams. In …

Free-space optical (FSO) communication has gained much interest due to its capability of
providing not only a cost-efficient solution where the optical fiber is too expensive or too …

There is a growing interest in utilizing structured beams in free-space optical (FSO)
communications. With uniquely tailored spatial amplitude and phase profiles, structured …

Crosstalk among different orbital angular momentum (OAM) states, mainly caused by the
atmospheric turbulence and the misalignment between the transmitting and receiving …

The recently proposed mutually partially unbiased bases (MPUB)–based protocol, which
encodes with Laguerre–Gaussian modes and Hermite–Gaussian modes of the same mode …

Optical wireless communication (OWC) emerges as a pivotal solution for achieving terabit-
level aggregate throughput in next-generation wireless networks. With the mature high …

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 …