Author Affiliations

Sho Okubo,^1,5,* Keisuke Nakamura,^1,5 Malte Schramm,^1,5 Hiroki Yamamoto,^2,5 Jun Ishikawa,¹ Feng-Lei Hong,^2,5 Ken Kashiwagi,^1,5 Kaoru Minoshima,^1,4,5 Hironori Tsutsui,^3,5 Eiji Kambe,^3,5 Hideyuki Izumiura,^3,5 and Hajime Inaba^1,5

¹National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8563, Japan

²Department of Physics, Graduate school of Engineering, Yokohama National University, Yokohama 240-8501, Japan

³National Astronomical Observatory of Japan, Okayama Astrophysical Observatory, Asakuchi, Okayama 719-0232, Japan

⁴Department of Engineering, Graduate School of Informatics, University of Electro-Communications, Chofu, Tokyo 182-8585, Japan

⁵JST, ERATO, MINOSHIMA Intelligent Optical Synthesizer Project, Tsukuba, Ibaraki 305-8563, Japan

^*Corresponding author: sho-ookubo@aist.go.jp