The interest in tailoring light in all its degrees of freedom is steadily gaining traction, driven
by the tremendous developments in the toolkit for the creation, control and detection of what …

Systems entangled in high dimensions have recently been proposed as important tools for
various quantum information protocols, such as multibit quantum key distribution and …

Multiplexing is crucial for the data-carrying capacity of information communication systems.
Orbital angular momentum (OAM) with a topological charge ℓ (ℓ integer) provides a degree …

Any practical experiment utilizing the innate D-dimensional entanglement of the orbital
angular momentum (OAM) of photons is subject to the generation capacity of the entangled …

Maximally entangled photon pairs with a spatial degree of freedom is a potential way for
realizing high-capacity quantum computing and communication. However, methods to …

Optical spin–orbit interaction (SOI), which can be used to simultaneously control the spin
and orbital angular momentum of light, is important for both classical and quantum …

The four-wave mixing process in atomic ensembles has many important applications in
quantum information. We review recent progress on the generation of optical quantum states …

We report a new scheme of ghost imaging by using a spatially structured pump in the
Fourier domain of spontaneous parametric down-conversion for quantum-correlation-based …

Studying the conversion between transverse light modes via four-wave mixing in a heated
rubidium vapor, we demonstrate and explain a transfer between azimuthal and radial mode …

Three-dimensional (3D) nonlinear photonic crystal (NPC) has recently been realized in
experiment, which provides a powerful platform for quantum-state engineering. Here, we …