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Attosecond interferometry with self-amplified spontaneous emission of a free-electron laser

Author

Listed:
  • Sergey Usenko

    (Deutsches Elektronen-Synchrotron DESY
    The Hamburg Centre for Ultrafast Imaging CUI)

  • Andreas Przystawik

    (Deutsches Elektronen-Synchrotron DESY)

  • Markus Alexander Jakob

    (The Hamburg Centre for Ultrafast Imaging CUI
    University of Hamburg)

  • Leslie Lamberto Lazzarino

    (University of Hamburg)

  • Günter Brenner

    (Deutsches Elektronen-Synchrotron DESY)

  • Sven Toleikis

    (Deutsches Elektronen-Synchrotron DESY)

  • Christian Haunhorst

    (Faculty of Electrical Engineering, Helmut Schmidt University)

  • Detlef Kip

    (Faculty of Electrical Engineering, Helmut Schmidt University)

  • Tim Laarmann

    (Deutsches Elektronen-Synchrotron DESY
    The Hamburg Centre for Ultrafast Imaging CUI)

Abstract

Light-phase-sensitive techniques, such as coherent multidimensional spectroscopy, are well-established in a broad spectral range, already spanning from radio-frequencies in nuclear magnetic resonance spectroscopy to visible and ultraviolet wavelengths in nonlinear optics with table-top lasers. In these cases, the ability to tailor the phases of electromagnetic waves with high precision is essential. Here we achieve phase control of extreme-ultraviolet pulses from a free-electron laser (FEL) on the attosecond timescale in a Michelson-type all-reflective interferometric autocorrelator. By varying the relative phase of the generated pulse replicas with sub-cycle precision we observe the field interference, that is, the light-wave oscillation with a period of 129 as. The successful transfer of a powerful optical method towards short-wavelength FEL science and technology paves the way towards utilization of advanced nonlinear methodologies even at partially coherent soft X-ray FEL sources that rely on self-amplified spontaneous emission.

Suggested Citation

  • Sergey Usenko & Andreas Przystawik & Markus Alexander Jakob & Leslie Lamberto Lazzarino & Günter Brenner & Sven Toleikis & Christian Haunhorst & Detlef Kip & Tim Laarmann, 2017. "Attosecond interferometry with self-amplified spontaneous emission of a free-electron laser," Nature Communications, Nature, vol. 8(1), pages 1-6, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15626
    DOI: 10.1038/ncomms15626
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