Thirty years ago, Coullet et al. proposed that a special optical field exists in laser cavities
bearing some analogy with the superfluid vortex. Since then, optical vortices have been …

Twenty-five years ago Allen, Beijersbergen, Spreeuw, and Woerdman published their
seminal paper establishing that light beams with helical phase-fronts carried an orbital …

Structured light provides an additional degree of freedom for modern optics and practical
applications. The effective generation of orbital angular momentum (OAM) lasing, especially …

Data transmission rates in optical communication systems are approaching the limits of
conventional multiplexing methods. Orbital angular momentum (OAM) in optical vortex …

" This engagingly written text provides a useful pedagogical introduction to an extensive
class of geometrical phenomena in the optics of polarization and phase, including simple …

As they travel through space, some light beams rotate. Such light beams have angular
momentum. There are two particularly important ways in which a light beam can rotate: if …

We demonstrate the transfer of information encoded as orbital angular momentum (OAM)
states of a light beam. The transmitter and receiver units are based on spatial light …

The recent prediction and subsequent creation of electron vortex beams in a number of
laboratories occurred after almost 20 years had elapsed since the recognition of the physical …

When a heavy atomic nucleus splits (fission), the resulting fragments are observed to
emerge spinning; this phenomenon has been a mystery in nuclear physics for over 40 …

Entanglement of the properties of two separated particles constitutes a fundamental
signature of quantum mechanics and is a key resource for quantum information science. We …