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 …

The angular momentum of molecules, or, equivalently, their rotation in three-dimensional
space, is ideally suited for quantum control. Molecular angular momentum is naturally …

Bessel beam featured with self-healing is essential to the optical sensing applications in the
obstacle scattering environment. Integrated on-chip generation of the Bessel beam …

The Doppler effect is a universal wave phenomenon that has spurred a myriad of
applications. In early manifestations, it was implemented by interference with a reference …

" This engagingly written text provides a useful pedagogical introduction to an extensive
class of geometrical phenomena in the optics of polarization and phase, including simple …

In recent decades, metasurfaces have attracted considerable interest to generate vortex
beams, that is, orbital angular momentum (OAM) carrying beams. However, the existing …

The translational Doppler effect of electromagnetic and sound waves has been successfully
applied in measurements of the speed and direction of vehicles, astronomical objects and …

The rotational Doppler effect associated with light's orbital angular momentum has been
found to be a powerful tool to detect rotating bodies. However, this method has only been …

We report on the first experimental demonstration of enantioselective rotational control of
chiral molecules with a laser field. In our experiments, two enantiomers of propylene oxide …

The angular acceleration of a spinning object can be estimated by probing the object with
Laguerre-Gauss (LG) beams and analyzing the rotational Doppler frequency shift of …