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

The concept of entanglement is so synonymous with quantum mechanics that the prefix
“quantum” is often deemed unnecessary; there is after all only quantum entanglement. But …

The design and fabrication of a compact diffractive optical element is presented for the
sorting of beams carrying orbital angular momentum (OAM) of light. The sorter combines a …

Orbital angular momentum (OAM) is an important resource in high-dimensional quantum
information processing, as its quantum number can be infinite. Dove prism (DP) is a most …

Classical correlation, akin to the entanglement of quantum states, has been proven to bear a
great promise in classical and quantum systems, such as enhancing measurement precision …

Combining the multiple degrees of freedom of photons has become topical in quantum
communication and information processes. This provides advantages such as increasing …

Youngs double slit experiment is one of the most celebrated achievements in quantum and
classical optics; it provides experimental proof of the wave-particle duality of light. When the …

The degree of freedom of orbital angular momentum (OAM) is an important resource in high-
dimensional quantum information processing, as the quantum number of OAM can be …

Vector modes are the natural modes of many fibre systems and have the capacity to be used
as a modal set for optical communication. Here we outline recent progress in the creation …

High-dimensional encoding using higher degrees of freedom has become topical in
quantum communication protocols. When taking advantage of entanglement correlations …