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We study how atmospheric turbulence affects twisted space-time beams, which are non-stationary random optical fields whose space and time dimensions are coupled with a stochastic twist. Applying the extended Huygens–Fresnel principle, we derive the mutual coherence function of a twisted space-time beam after propagating a distance z through atmospheric turbulence of arbitrary strength. We specialize the result to derive the ensemble-averaged irradiance and discuss how turbulence affects the beam’s spatial size, pulse width, and space-time twist. Lastly, we generate, in simulation, twisted space-time beam field realizations and propagate them through atmospheric phase screens to validate our analysis.


Copyright © 2023 Milo Hyde.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

This article was changed by a Corrigendum at 10.3389/fphy.2023.1154540. 2023. Corrected figure 3 and caption are enclosed as an additional file.


10.3389/fphy.2022.1055401 --- Corrigendum: 10.3389/fphy.2023.1154540

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Frontiers in Physics

fphy-11-1154540.pdf (688 kB)
Corrigendum for figure 3 in article.