Coherent spectroscopies on ultrashort time and length scales T. Brixner, M. Aeschlimann, A. Fischer, P. Geisler, S. Goetz, B. Hecht, J.-S. Huang, T. Keitzl, C. Kramer, P. Melchior et al. (7 more) EPJ Web of Conferences, 41 (2013) 09017 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134109017