The flow of optical power in and around the seven-nanoparticle "gear" of the optical matter machine. Courtesy: N Scherer A new device that converts laser light into mechanical work could be used to ...

Optical vortex plays an important role in a variety of fields, such as particle tweezing, quantum communication, astrophysics, and microscopy. Especially, the application of optical vortex has been ...

Orbital angular momentum (OAM) light beams are defined as a type of structured light beams, which are light fields with tailored spatial structure. Often referred to as vortex beams, they have ...