Author Affiliations +
Kevin Nishikata,1 Maiko Ariga,1 Norihiro Iwai,1 Yoshihiko Ikenaga,1 Casimirus Setiagung,1 Takeo Kageyama,1 Hitoshi Shimizu,1 Noriyuki Yokouchi,1 Akihiko Kasukawa,1 Fumio Koyama2
1Furukawa Electric Co., Ltd. (Japan)
2Tokyo Institute of Technology (Japan)