The orbital angular momentum of light represents a fundamentally new optical degree of
freedom. Unlike linear momentum, or spin angular momentum, which is associated with the …

This book deals with theoretical bases of the modern optics division concerned with
coherent light fields with singularities characterized by phase uncertainty. Singular light …

Vector vortex beams have attracted considerable research attention owing to their unique
optical properties, and have been explored in vortex filtering, photon entanglement, and the …

We have shown experimentally, in a real-world setting, that it is possible to use two beams of
incoherent radio waves, transmitted on the same frequency but encoded in two different …

A novel radar imaging technique based on orbital angular momentum (OAM) modulation is
presented. First, the generation of electromagnetic (EM) vortex wave, which carries the OAM …

Superposition of orbital angular momentum (OAM) states has attracted considerable
attention due to its application in diverse scientific areas, such as high-capacity optical …

Random walks have been employed in virtually every science related discipline to model
everyday phenomena such as biochemical reaction pathways and DNA synapsis …

A system is proposed to generate vortex electromagnetic (EM) beams in the microwave
band, which generates high-order vortex beams at the X-frequency band for the first time …

Orbital angular momentum entangled photons emitted by a down-conversion source are in
higher dimensional entangled states. Here we report the experimental confirmation by …

Among the optical degrees of freedom, the orbital angular momentum of light provides
unique properties, including mechanical torque action, which has applications for light …