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Toroidal pulse enhanced XUV generation

arXiv Physics Monday 01 June 2026, 04:00 UTC By Lu Wang, Cl\'ement Lacoste, Paul Corkum, Thomas Brabec, Zenghu Chang 1 min read
Key Points

arXiv:2605.31428v1 Announce Type: new Abstract: Extreme ultraviolet (XUV) radiation plays a central role in a wide range of applications. Despite being a cornerstone of attosecond science, efficient XUV generation remains highly challenging. Here, we investigate XUV generation via nonlinear Thomson scattering driven by a toroidal pulse.

arXiv:2605.31428v1 Announce Type: new Abstract: Extreme ultraviolet (XUV) radiation plays a central role in a wide range of applications. Despite being a cornerstone of attosecond science, efficient XUV generation remains highly challenging. Here, we investigate XUV generation via nonlinear Thomson scattering driven by a toroidal pulse. Unlike conventional laser pulses, toroidal pulses possess intrinsically non-separable spatiotemporal field distributions. This unique field structure produces strongly asymmetric electron acceleration, resulting in substantially enhanced XUV emission that is 2-4 orders of magnitude stronger than that generated by a Gaussian pulse. Our results identify toroidal pulses as a promising route toward compact ultrafast XUV sources and advanced strong-field light-matter interaction studies.
Thomson (ORG)
Originally published by arXiv Physics Read original →

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