Journal Article

Tracking attosecond electronic coherences using phase-manipulated extreme ultraviolet pulses

Plekan, Oksana, Binz, Marcel, Giannessi, Luca, Nikolov, Ivaylo, Feifel, Raimund, Bruder, Lukas, Cerullo, Giulio, Spezzani, Carlo, Laarmann, Tim, Spampinati, Simone, Drabbels, Marcel, Wituschek, Andreas, Allaria, Enrico, Bangert, Ulrich, Demidovich, Alexander, Prince, Kevin Charles, Mirian, Najmeh Sadat, Sansone, Giuseppe, Di Fraia, Michele, Przystawik, Andreas, O’Shea, Finn H., Borghes, Roberto, Ribič, Primož Rebernik, Mudrich, Marcel, Cinquegrana, Paolo, Penco, Giuseppe, Michiels, Rupert, Squibb, Richard James, Stienkemeier, Frank, Piseri, Paolo, Sigalotti, Paolo, Callegari, Carlo, Danailov, Miltcho, Stranges, Stefano, Uhl, Daniel

2020

Overview

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. Light pulses with controllable parameters are desired for studying the fundamental properties of matter. Here the authors generate and use phase-manipulated and highly time-stable XUV pulse pairs to probe the coherent evolution and dephasing of XUV electronic coherences in helium and argon.

• Publisher: Nature Publishing Group UK,Nature Portfolio
• Subject: 140/125 / 140/146 / 639/624/1107/527 / 639/766/36/1121 / 639/766/36/1122 / 639/766/36/2796 / Atom and Molecular Physics and Optics / Atom- och molekylfysik och optik / Atom- och molekylfysik och optik (Här ingår: Kemisk fysik, kvantoptik) / Fysik / Humanities and Social Sciences / multidisciplinary / Natural Sciences / Naturvetenskap / Physical Sciences / Science / Science (multidisciplinary)