Author Affiliations

M. Nakajima,^1,* S. Tetsukawa,^1,2 S. Liu,¹ T. Matsunaga,¹ V. K. Mag-usara,¹ V. C. Agulto,¹ M. Kohda,³ R. Thompson,³ H. Gamou,³ Y. Du,³ S. Karube,³ J. Nitta,³ M. Asakawa,² and M. Tani⁴

¹Institute of Laser Engineering, Osaka University, Suita, Osaka, 565-0871 Japan

²Faculty of Engineering Science, Kansai University, Suita, Osaka, 564-8680 Japan

³Department of Materials Science, Tohoku University, Sendai, Miyagi, 980-8579 Japan

⁴Research Center for Development of Far-Infrared Region, University of Fukui, Bunkyo, Fukui, 910-8507 Japan

^*Corresponding author: nakajima-m@ile.osaka-u.ac.jp