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 …

Orbital angular momentum (OAM), which describes the “phase twist”(helical phase pattern)
of light beams, has recently gained interest due to its potential applications in many diverse …

Time, polarization, and wavelength multiplexing schemes have been used to satisfy the
growing need of transmission capacity. Using space as a new dimension for communication …

The tremendous growth of data traffic has spurred a rapid evolution of optical
communications for a higher data transmission capacity. Next-generation fiber-optic …

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 …

Angular momentum, a fundamental physical quantity, can be divided into spin angular
momentum (SAM) and orbital angular momentum (OAM) in electromagnetic waves. Helically …

In the free space optical communication, the information can be encoded as the orbital
angular momentum (OAM) state of light, which is called OAM shift keying (OAM-SK). This …

Space domain is regarded as the only known physical dimension left of lightwave to exploit
in optical communications. Recently, lots of research efforts have been devoted to using …

To improve the transmission capacity and integration level of future optical interconnect
systems, we present a communication scheme using orbital angular momentum (OAM) array …

The utilization of beam-carrying orbital angular momentum (OAM) for free-space optical
(FSO) communication can increase channel capacity. However, the misalignment of the …