1. Laboratory for Photonics and
Interfaces, Institute of Chemical Sciences and Engineering, Swiss
Federal Institute of Technology, CH-1015 Lausanne, Switzerland
2. Mitsubishi Paper Mills Ltd. 4-2, Marunouchi 3-chome, Chiyoda-ku, Tokyo 100-0005, Japan
3. Research Center for Advanced Science and Technology (RCAST), The University of Tokyo 4-6-1, Komaba, Meguro, Tokyo 153-8904, Japan
4. Chemicrea Inc. Tsukuba Center Inc. D-14, 2-1-6, Sengen, Tsukuba, Ibaraki, 305-0047, Japan