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Journal Article

Terahertz-wave decoding of femtosecond extreme-ultraviolet light pulses

MPS-Authors
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N.,  Agarwal
European XFEL;
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Department of Physics, Universität Hamburg;
Institute of Physics and Astronomy (IFA), Aarhus University;

Seifert,  T. S.
Department of Physics, Freie Universität Berlin;
Fritz Haber Institute of the Max Planck Society;

Kampfrath,  T.
Department of Physics, Freie Universität Berlin;
Fritz Haber Institute of the Max Planck Society;

External Resource

https://doi.org/10.1364/OPTICA.453130
(Publisher version)

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Fulltext (public)

optica-9-5-545.pdf
(Publisher version), 21MB

Supplementary Material (public)

5797088.pdf
(Supplementary material), 2MB

Citation

Ilyakov, I., N., A., Deinert, J.-C., Liu, J., Yaroslavtsev, A., Foglia, L., et al. (2022). Terahertz-wave decoding of femtosecond extreme-ultraviolet light pulses. Optica, 9(5), 545-550. doi:10.1364/OPTICA.453130.


Cite as: https://hdl.handle.net/21.11116/0000-000A-9C87-E
Abstract
In recent years, femtosecond extreme-ultraviolet (XUV) and x-ray pulses from free-electron lasers have developed into important probes to monitor processes and dynamics in matter on femtosecond-time and angstrom-length scales. With the rapid progress of versatile ultrafast x-ray spectroscopy techniques and more sophisticated data analysis tools, accurate single-pulse information on the arrival time, duration, and shape of the probing x-ray and XUV pulses becomes essential. Here, we demonstrate that XUV pulses can be converted into terahertz electromagnetic pulses using a spintronic terahertz emitter. We observe that the duration, arrival time, and energy of each individual XUV pulse is encoded in the waveform of the associated terahertz pulses, and thus can be readily deduced from single-shot terahertz time-domain detection.