Author Affiliations

E. Goulielmakis,^1,* A Wirth,¹ M. Th. Hassan,¹ I. Grguras,¹ M. Schultze,^1,7 Z-H Loh,^2,3 R. Santra,^4,5 N. Rohringer,⁶ V. Yakovlev,⁷ Z. Zherebtsov,¹ T. Pfeifer,^2,3 M. F. Kling,¹ S. R. Leone,^2,3 and F. Krausz^1,7

¹Max-Planck-Institute für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748 Garching, Germany

²Departments of Chemistry and Physics, University of California, Berkeley, CA 94720, USA

³Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

⁴Argonne National Laboratory, Argonne, IL 60439, USA

⁵Department of Physics, University of Chicago, Chicago, IL 60637, USA

⁶Lawrence Livermore National Laboratory, Livermore, CA 94551, USA

⁷Department für Physik, Ludwig-Maximilians-Universität, Am Coulombwall 1, D-85748 Garching, Germany

^*Corresponding author: elgo@mpq.mpg.de