1. French–German Research Institute of Saint-Louis, 5 rue du Général Cassagnou, BP 70034, 68301 Saint Louis Cedex, France
2. Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy, 2A Max-Born-Str., D-12489 Berlin, Germany
3. BAE Systems, Inc., MER15-1813, P.O. Box 868, Nashua, New Hampshire 03061-0868, United States