Closed forms for spatiotemporal optical vortices and sagittal skyrmionic pulses

2024/06/04 by Sophie Vo, Vo, S., Rodrigo Gutiérrez–Cuevas +3 · 4 citations
Physics and Astronomy · #Astro and Planetary Science #FOS: Physical sciences #Laser-Matter Interactions and Applications #Optics (physics.optics) #Orbital Angular Momentum in Optics

paper · pdf · doi:10.48550/arxiv.2406.02382

openalex publication_date 2024/06/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Spatiotemporal optical vortices (STOVs) are short pulses that present a vortex whose axis is perpendicular to the main propagation direction. We present analytic expressions for these pulses that satisfy exactly Maxwell's equation, by applying appropriate differential operators to complex focus pulses with Poisson-like frequency spectrum. We also provide a simple ray picture for understanding the deformation of these pulses under propagation. Finally, we use these solutions to propose a type of pulse with sagittal skyrmionic polarization distribution covering all states of transverse polarization.

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• Structuring Polarization States of Light in Space and Time
• SU(2) symmetry of spatiotemporal Gaussian modes propagating in the isotropic dispersive media
• Bulk-to-surface coupling of spatiotemporal vortices

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