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Tracking attosecond electronic coherences using phase-manipulated extreme ultraviolet pulses

Wituschek, Andreas ; Bruder, Lukas LU ; Allaria, Enrico ; Bangert, Ulrich ; Binz, Marcel ; Borghes, Roberto ; Callegari, Carlo ; Cerullo, Giulio ; Cinquegrana, Paolo and Giannessi, Luca , et al. (2020) In Nature Communications 11(1).
Abstract

The recent development of ultrafast extreme ultraviolet (XUV) coherent light sources bears great potential for a better understanding of the structure and dynamics of matter. Promising routes are advanced coherent control and nonlinear spectroscopy schemes in the XUV energy range, yielding unprecedented spatial and temporal resolution. However, their implementation has been hampered by the experimental challenge of generating XUV pulse sequences with precisely controlled timing and phase properties. In particular, direct control and manipulation of the phase of individual pulses within an XUV pulse sequence opens exciting possibilities for coherent control and multidimensional spectroscopy, but has not been accomplished. Here, we... (More)

The recent development of ultrafast extreme ultraviolet (XUV) coherent light sources bears great potential for a better understanding of the structure and dynamics of matter. Promising routes are advanced coherent control and nonlinear spectroscopy schemes in the XUV energy range, yielding unprecedented spatial and temporal resolution. However, their implementation has been hampered by the experimental challenge of generating XUV pulse sequences with precisely controlled timing and phase properties. In particular, direct control and manipulation of the phase of individual pulses within an XUV pulse sequence opens exciting possibilities for coherent control and multidimensional spectroscopy, but has not been accomplished. Here, we overcome these constraints in a highly time-stabilized and phase-modulated XUV-pump, XUV-probe experiment, which directly probes the evolution and dephasing of an inner subshell electronic coherence. This approach, avoiding any XUV optics for direct pulse manipulation, opens up extensive applications of advanced nonlinear optics and spectroscopy at XUV wavelengths.

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@article{01c62012-0688-49d8-9ebc-734b6561de07,
  abstract     = {{<p>The recent development of ultrafast extreme ultraviolet (XUV) coherent light sources bears great potential for a better understanding of the structure and dynamics of matter. Promising routes are advanced coherent control and nonlinear spectroscopy schemes in the XUV energy range, yielding unprecedented spatial and temporal resolution. However, their implementation has been hampered by the experimental challenge of generating XUV pulse sequences with precisely controlled timing and phase properties. In particular, direct control and manipulation of the phase of individual pulses within an XUV pulse sequence opens exciting possibilities for coherent control and multidimensional spectroscopy, but has not been accomplished. Here, we overcome these constraints in a highly time-stabilized and phase-modulated XUV-pump, XUV-probe experiment, which directly probes the evolution and dephasing of an inner subshell electronic coherence. This approach, avoiding any XUV optics for direct pulse manipulation, opens up extensive applications of advanced nonlinear optics and spectroscopy at XUV wavelengths.</p>}},
  author       = {{Wituschek, Andreas and Bruder, Lukas and Allaria, Enrico and Bangert, Ulrich and Binz, Marcel and Borghes, Roberto and Callegari, Carlo and Cerullo, Giulio and Cinquegrana, Paolo and Giannessi, Luca and Danailov, Miltcho and Demidovich, Alexander and Di Fraia, Michele and Drabbels, Marcel and Feifel, Raimund and Laarmann, Tim and Michiels, Rupert and Mirian, Najmeh Sadat and Mudrich, Marcel and Nikolov, Ivaylo and O’Shea, Finn H. and Penco, Giuseppe and Piseri, Paolo and Plekan, Oksana and Prince, Kevin Charles and Przystawik, Andreas and Ribič, Primož Rebernik and Sansone, Giuseppe and Sigalotti, Paolo and Spampinati, Simone and Spezzani, Carlo and Squibb, Richard James and Stranges, Stefano and Uhl, Daniel and Stienkemeier, Frank}},
  issn         = {{2041-1723}},
  language     = {{eng}},
  month        = {{02}},
  number       = {{1}},
  publisher    = {{Nature Publishing Group}},
  series       = {{Nature Communications}},
  title        = {{Tracking attosecond electronic coherences using phase-manipulated extreme ultraviolet pulses}},
  url          = {{http://dx.doi.org/10.1038/s41467-020-14721-2}},
  doi          = {{10.1038/s41467-020-14721-2}},
  volume       = {{11}},
  year         = {{2020}},
}