1. Laboratory for fundamental BioPhotonics, Institutes of Bioengineering and Materials Science and Engineering, School of Engineering, and Lausanne Centre for Ultrafast Science, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
2. Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
3. Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States