Optical trapping describes the interaction between light and matter to manipulate micro-
objects through momentum transfer. In the case of 3D trapping with a single beam, this is …

Vector beams, and in particular vector vortex beams, have found many applications in recent
times, both as classical fields and as quantum states. While much attention has focused on …

Polarization, the path traced by light's electric field vector, appears in all areas of optics. In
recent decades, various technologies have enabled the precise control of light's polarization …

We demonstrate the generation of optical vortices with radial or azimuthal polarization using
a space variant polarization converter, fabricated by femtosecond laser writing of self …

The measurement of a quantum state poses a unique challenge for experimentalists.
Recently, the technique of 'direct measurement'was proposed for characterizing a quantum …

Metasurfaces have enabled unprecedented control over electromagnetic waves, providing
new opportunities in areas such as wireless communications, energy harvesting, imaging …

We review recent progress in application of femtosecond laser nanostructuring of fused
silica. The tight control of nanostructures' properties through writing parameters is …

Generation of vectorial optical fields with complex spatial distribution in the cross section is
of great interest in areas where exotic optical fields are desired, including particle …

The overall goal of photonics research is to understand and control light in new and richer
ways to facilitate new and richer applications. Many major developments to this end have …

Optical image/data encryption techniques are mostly based on the manipulation of spatial
distributions of light's amplitude, phase, and polarization. Information encoding with phase …