Since its discovery, quantum entanglement has challenged some of the best established
views of the world: locality and reality. Quantum technologies promise to revolutionize …

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

The ability to control multidimensional quantum systems is central to the development of
advanced quantum technologies. We demonstrate a multidimensional integrated quantum …

Quantum teleportation allows a “disembodied” transmission of unknown quantum states
between distant quantum systems. Yet, all teleportation experiments to date were limited to a …

Twisted photons can be used as alphabets to encode information beyond one bit per single
photon. This ability offers great potential for quantum information tasks, as well as for the …

This article reviews recent progress leading to the generation of optical vortex beams. After
introducing the basics of optical vortex beams and their promising applications, we …

Vector beams, and in particular vector vortex beams, have found many applications in recent
times, both as classical fields and as quantum states. While much attention has focused on …

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 …

Photons can carry angular momentum, not only due to their spin, but also due to their spatial
structure. This extra twist has been used, for example, to drive circular motion of microscopic …

Forming the backbone of quantum technologies today, entanglement, has been
demonstrated in physical systems as diverse as photons, ions and superconducting circuits …