Author Affiliations

Tobias A. Eriksson,^1,2,* Takuya Hirano,³ Georg Rademacher,¹ Benjamin J. Puttnam,¹ Ruben S. Luis,¹ Mikio Fujiwara,¹ Ryo Namiki,³ Yoshinari Awaji,¹ Masahiro Takeoka,¹ Naoya Wada,¹ and Masahide Sasaki¹

¹National Institute of Information and Communications Technology (NICT), 4-2-1 Nukui-kitamachi, Koganei, Tokyo 184-8795, Japan

²Department of Applied Physics, Royal Institute of Technology (KTH), AlbaNova University Center, 106 91 Stockholm, Sweden

³Department of Physics, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo, 171-8588, Japan

^*Corresponding author: eriksson@nict.go.jp