1. Advanced Photonics Technology Development Group, RIKEN Center for Advanced Photonics, 2-1 Wako, 351-0198 Saitama, Japan
2. Ultrahigh Precision Optics Technology Team, RIKEN Center for Advanced Photonics, 2-1 Wako, 351-0198 Saitama, Japan
3. Division of Science, College of Science and Engineering, Tokyo Denki University, Hatoyama, Saitama 350-0394, Japan
4. Research Center for Solar Energy Chemistry, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
5. Department of Materials Science and Engineering, University of California at Berkeley, Berkeley, California 94720, United States
6. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 United States