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Nonlinear absorption in interacting Rydberg electromagnetically-induced-transparency spectra on two-photon resonance

We experimentally investigate the nonlinear transmission spectrum of coherent light fields propagating through a Rydberg EIT medium with strong atomic interactions. In contrast to previous investigations, which have largely focused on resonant control fields, we explore here the full two-dimensional...

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Hauptverfasser: Tebben, Annika (VerfasserIn) , Hainaut, Clément (VerfasserIn) , Salzinger, Andre (VerfasserIn) , Geier, Sebastian (VerfasserIn) , Franz, Titus (VerfasserIn) , Pohl, Thomas (VerfasserIn) , Gärttner, Martin (VerfasserIn) , Zürn, Gerhard (VerfasserIn) , Weidemüller, Matthias (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 24 June 2021
In: Physical review
Year: 2021, Jahrgang: 103, Heft: 6, Pages: 1-11
ISSN:2469-9934
DOI:10.1103/PhysRevA.103.063710
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.103.063710
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevA.103.063710
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Verfasserangaben:Annika Tebben, Clément Hainaut, Andre Salzinger, Sebastian Geier, Titus Franz, Thomas Pohl, Martin Gärttner, Gerhard Zürn, and Matthias Weidemüller
Beschreibung
Zusammenfassung:We experimentally investigate the nonlinear transmission spectrum of coherent light fields propagating through a Rydberg EIT medium with strong atomic interactions. In contrast to previous investigations, which have largely focused on resonant control fields, we explore here the full two-dimensional spectral response of the Rydberg gas. Our measurements confirm previously observed spectral features for a vanishing control-field detuning, but also reveal significant differences on two-photon resonance. In particular, we find qualitative deficiencies of mean-field models and rate-equation simulations as well as a third-order nonlinear susceptibility that accounts for pairwise interaction effects at low probe-field intensities in describing the nonlinear probe-field response under EIT conditions. Our results suggest that a more complete understanding of Rydberg EIT and emerging photon interactions requires to go beyond existing simplified models as well as few-photon theories.
Beschreibung:Gesehen am 15.07.2021
Beschreibung:Online Resource
ISSN:2469-9934
DOI:10.1103/PhysRevA.103.063710

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