Nature

Unravelling the nonlinear generation of designer vortices with dielectric metasurfaces

Vortex beams are currently drawing a great deal of interest, from fundamental research to several promising applications. While their generation in bulky optical devices limits their use in integrated ...
Phys.org

New method enables flexible generation of high-order vector vortex beams

A research team led by Associate Prof. Wang Anting from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) proposed a method for multidimensional ...
Nature

Extreme-ultraviolet spatiotemporal vortices via high harmonic generation

Spatiotemporal optical vortices (STOVs) are space–time structured light pulses with a unique topology that couples spatial and temporal domains and carry transverse orbital angular momentum (OAM). Up ...
EurekAlert!

Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized Kerker effect

Optical vortex beams, characterized by their helical phase fronts and orbital angular momentum (OAM), are pivotal in applications such as high-capacity communication, optical manipulation, and quantum ...
EurekAlert!

Generation of femtosecond polygonal optical vortices from a mode-locked quasi-frequency-degenerate laser

Recent advances in femtosecond optical vortices (FOVs)—characterized by helical wavefronts and high peak power—have enabled breakthroughs in attosecond vortex generation and 3D chiral microfabrication ...