Author Affiliations

H. Hirori,^1,* K. Uchida,² T. Otobe,³ T. Mochizuki,⁴ C. Kim,⁵ M. Yoshita,⁵ K. Tanaka,² H. Akiyama,⁵ L. N. Pfeiffer,⁶ and K. W. West⁶

¹Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan

²Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan

³Kansai Photon Science Institute, National Institutes for Quantum and Radiological Science and Technology, Kizugawa, Kyoto 619-0615, Japan

⁴Fukushima Renewable Energy Institute, National Institute of Advanced Industrial Science and Technology, Koriyama, Fukushima 963-0298, Japan

⁵Institute for Solid State Physics, the University of Tokyo, and JST-CREST, Kashiwa, Chiba 277-8581, Japan

⁶Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA

^*Corresponding author: hirori@scl.kyoto-u.ac.jp