1. Univ Rennes, INSA Rennes, CNRS, Institut FOTON − UMR 6082, F-35000 Rennes, France
2. Univ Rennes, ENSCR, CNRS, ISCR − UMR 6226, F-35000 Rennes, France
3. Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas 77005, United States
4. Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States