Collective Nuclear Excitation and Pulse Propagation in Single-Mode X-Ray Waveguides

Waveguides offer a means to controllably couple atomic ensembles to the electromagnetic field therein. Here, we demonstrate x-ray propagation in planar thin-film waveguides coupled to Mössbauer nuclei under collective resonant excitation by short pulses of synchrotron radiation. We record x-ray photons that have been emitted into resonant modes of the waveguide. Depending on the geometry and mode of excitation, two fundamentally different signatures of the collective emission are observed, for which we present a unifying theoretical model. Our results form a new platform for waveguide quantum electrodynamics in the hard x-ray regime with the potential to provide a coherent narrow band source of x-rays on the nanometer scale.

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Publication Details

Journal
Physical Review Letters
Published
2025-06-27
DOI
https://doi.org/10.1103/r2hf-9qn9
Citations
1
Primary Topic
Crystallography and Radiation Phenomena
Type
article
Field-Weighted Citation Impact
1.26

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article

Collective Nuclear Excitation and Pulse Propagation in Single-Mode X-Ray Waveguides

Tim Salditt, Anjali Panchwanee, Sven Velten, Adriana Pálffy et al.
1 citations
Physical Review Letters
Crystallography and Radiation Phenomena
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article

Collective Nuclear Excitation and Pulse Propagation in Single-Mode X-Ray Waveguides

Tim Salditt, Anjali Panchwanee, Sven Velten, Adriana Pálffy, Petar Andrejić, I. Sergueev, Malte Vassholz, Ralf Roehlsberger, Charlotte Neuhaus, Ankita Negi, Karl J. Friston
article en
1 citations

Abstract

Waveguides offer a means to controllably couple atomic ensembles to the electromagnetic field therein. Here, we demonstrate x-ray propagation in planar thin-film waveguides coupled to Mössbauer nuclei under collective resonant excitation by short pulses of synchrotron radiation. We record x-ray photons that have been emitted into resonant modes of the waveguide. Depending on the geometry and mode of excitation, two fundamentally different signatures of the collective emission are observed, for which we present a unifying theoretical model. Our results form a new platform for waveguide quantum electrodynamics in the hard x-ray regime with the potential to provide a coherent narrow band source of x-rays on the nanometer scale.

Physical Review LettersVol. 135(5)
Helmholtz Institute Jena (DE), GSI Helmholtz Centre for Heavy Ion Research (DE), Friedrich-Alexander-Universität Erlangen-Nürnberg (DE), University of Würzburg (DE), Deutsches Elektronen-Synchrotron DESY (DE), Hamburg Centre for Ultrafast Imaging, University of Göttingen (DE), Friedrich Schiller University Jena (DE)
Deutsche Forschungsgemeinschaft, Max Planck School of Photonics
Openalex Percentile: Top 20%
Crystallography and Radiation Phenomena
1.26
DOIOpen Access PDFOpenAlex
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Collective Nuclear Excitation and Pulse Propagation in Single-Mode X-Ray Waveguides — Tim Salditt, Anjali Panchwanee, et al. · Physical Review Letters (2025) | TGRS Research Map | TGRS