Angular momentum of light

Over the past few decades, angular momentum of light has attracted increasing interest from many research groups. This comes without surprise, considering the widespread range of applications related to the classical and quantum implications of this property of light in fields such as optical forces and torque, quantum optics, and microscopy. In addition, a large variety of devices and techniques continue to be developed to progress in the manipulation and structuring of angular momentum as a versatile degree of freedom of light. This Special Topic aims at showcasing the latest progress in theory and experiments related to the angular momentum of light.