Author Affiliations

Lorenzo Colaizzi,^1,2 Loren Ban,³ Andrea Trabattoni,¹ Vincent Wanie,^1,4 Krishna Saraswathula,¹ Erik P. Maånsson,¹ Philipp Rupp,^5,6 Qingcao Liu,^5,6 Lennart Seiffert,⁷ Elisabeth A. Herzig,⁷ Andrea Cartella,^1,8 Bruce L. Yoder,³ François Légaré,⁴ Matthias F. Kling,^5,6 Thomas Fennel,⁷ Ruth Signorell,³ and Francesca Calegari^1,2,8,9

¹Center for Free-Electron Laser Science, DESY, Notkestr. 85, 22607 Hamburg, Germany

²Physics Department, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany

³Department of Chemistry and Applied Biosciences, Laboratory of Physical Chemistry, ETH Zürich, Vladimir-Prelog-Weg 2, 8093 Zürich, Switzerland

⁴Institut National de la Recherche Scientifique, 1650 Blvd. Lionel-Boulet, J3X 1S2, Varennes (Qc), Canada

⁵Max Planck Institute of Quantum Optics, Hans-Kopfermann-straße 1, 85748 Garching, Germany

⁶Department of Physics, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany

⁷Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany

⁸The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, 149 Luruper Chaussee, 22761 Hamburg, Germany

⁹Institute for Photonics and Nanotechnologies CNR-IFN, P.za Leonardo da Vinci 32, 20133 Milano, Italy