Author Affiliations

M. F. Ciappina,^{1,2,3,4,5,6,7,*} T. Shaaran,^{1,2,3,4,5,6,7} R. Guichard,^{1,2,3,4,5,6,7} J. A. Pérez-Hernández,^{1,2,3,4,5,6,7} L. Roso,^{1,2,3,4,5,6,7} M. Arnold,^{1,2,3,4,5,6,7} T. Siegel,^{1,2,3,4,5,6,7} A. Zaïr,^{1,2,3,4,5,6,7} and M. Lewenstein^{1,2,3,4,5,6,7}

¹ICFO - Institut de Ciénces Fotóniques, 08860 Castelldefels (Barcelona), Spain

²Department of Physics, Auburn University, Auburn, Alabama 36849, USA

³CEA-Saclay, IRAMIS, Service des Photons, Atomes et Molecules, 91191 Gift-sur-Yvette, France

⁴Laboratoire Chimie-Physique, Matière et Rayonnement, Universitè Pierre et Marie Curie, UMR 7614, F-75231 Paris Cedex 5, France

⁵Centro de L_aseres Pulsados, Parque Científico, E-37185 Villamayor, Salamanca, Spain

⁶Blackett Laboratory Laser Consortium, Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom

⁷ICREA-Institució Catalana de Recerca i Estudis Avançats, Lluis Companys 23, 08010 Barcelona, Spain

^*Corresponding author: mfc0007@auburn.edu