Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

Since their first introduction in 2006, q-plates have found a constantly increasing number of
uses in diverse contexts, ranging from fundamental research on complex structured light …

Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Light beams with a helical phase-front possess orbital angular momentum along their
direction of propagation in addition to the spin angular momentum that describes their …

Vector vortex beams are structured states of light that are nonseparable in their polarisation
and spatial mode, they are eigenmodes of free-space and many fiber systems, and have the …

Vector vortex beams are conventionally created as the superposition of orbital angular
momentum (OAM) modes with orthogonal polarizations, limiting the available degrees of …

“Twisted photons” are photons carrying a well-defined nonzero value of orbital angular
momentum (OAM). The associated optical wave exhibits a helical shape of the wavefront …

The purpose of quantum technologies is to explore how quantum effects can improve on
existing solutions for the treatment of information. Quantum photonics sensing holds great …

Photons with a twisted phase front carry a quantized amount of orbital angular momentum
(OAM) and have become important in various fields of optics, such as quantum and classical …

The interest in a system often resides in the interplay among different parameters governing
its evolution. It is thus often required to access many of them at once for a complete …