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

A quantum memory is a key component for quantum networks, which will enable the
distribution of quantum information. Its successful development requires storage of single …

We investigate the interaction of laser pulses carrying orbital angular momentum (OAM) with
a symmetry-broken ladder-type quantum coupling scheme involving three internal states. A …

We explore the spatial frequency property of the far-field diffraction intensity pattern of an
optical vortex after passing through an annular aperture in detail. The result reveals that the …

We analyzed the propagation characteristics of the intensity of a vortex beam after it passes
through a twisting phase. It was found that the doughnut-like intensity pattern of a vortex …

We consider interaction of a pair of counterpropagating spatially inhomogeneous weak
vortex beams with a quantum emitter that has a double-V level scheme and closely situated …

The vortex beams carrying orbital angular momentum (OAM) are of extreme importance for
applications in communication, nanoscience, and optical micro‐manipulation. The …

We propose a procedure to achieve a complete energy conversion between laser pulses
carrying orbital angular momentum (OAM) in a cloud of cold atoms characterized by a …

We theoretically study a Gaussian optical beam with an embedded off-axis optical vortex.
We also experimentally generate such an asymmetric Gaussian optical vortex by using an …

We consider transfer of optical vortices between laser pulses carrying orbital angular
momentum in a cloud of cold atoms characterized by the Λ configuration of the atom-light …