Experimental demonstration of cylindrical vector spatiotemporal optical vortex

TL;DR

This paper experimentally demonstrates cylindrical vector spatiotemporal optical vortices with transverse orbital angular momentum, broadening the understanding and potential applications of spatiotemporal wavepackets in light-matter interactions and optical manipulation.

Contribution

It presents the first experimental generation of cylindrically polarized wavepackets with transverse orbital angular momentum and spatiotemporal optical vortices.

Findings

Successful generation of cylindrically polarized wavepackets with orbital angular momentum

Observation of coexistence of spatiotemporal optical vortex and polarization singularity

Potential applications in light-matter interaction and optical trapping

Abstract

We experimentally generate cylindrically polarized wavepackets with transverse orbital angular momentum, demonstrating the coexistence of spatiotemporal optical vortex with spatial polarization singularity. The results in this paper extend the study of spatiotemporal wavepackets to a broader scope, paving the way for its applications in various areas such as light-matter interaction, optical tweezers, spatiotemporal spin-orbit angular momentum coupling, etc.