Recent advances in the research of vortex beams, structured beams carrying orbital angular
momentum (OAM), have revolutionized the applications of light beams, such as advanced …

Electron beams in electron microscopes are efficient probes of optical near-fields, thanks to
spectroscopy tools like electron energy-loss spectroscopy and cathodoluminescence …

The orbital angular momentum (OAM) of light has attracted a great amount of interest in
recent times, due to the wide variety of applications it has made possible. Generally, the …

Holographic displays can provide a 3D visual experience to multiple users without requiring
special glasses. By precisely tailoring light fields, holographic displays could resemble …

Programmable spatial light modulators have significantly advanced the configurable optical
trapping of particles. Typically, these devices are utilized in the Fourier plane of an optical …

Whether in art or for QR codes, images have proven to be both powerful and efficient
carriers of information. Spatial light modulators allow an unprecedented level of control over …

The dynamic spatial control of light fields is essential to a range of applications, from
microscopy to optical micro-manipulation and communications. Here we describe the use of …

We propose a scheme to demonstrate spatiotemporal-vortex four-wave mixing (FWM) in an
asymmetric semiconductor double quantum-well nanostructure. It is found that the orbital …

A general orbital-angular-momentum (OAM) mode selection principle is put forward
involving the rotationally symmetric superposition of chiral states. This principle is not only …

Based on coherent beam combining, we propose a method for generating the perfect
vectorial vortex beams (VVBs) with a specially designed radial phase-locked Gaussian laser …