Author Affiliations

Toshiki Kobayashi,^* Rikizo Ikuta,^* Hiroshi Kato,^* Shigehito Miki,^** Taro Yamashita,^** Hirotaka Terai,^** Mikio Fujiwara,^*** Takashi Yamamoto,^* Masato Koashi,^**** Masahide Sasaki,^*** Zhen Wang,^** and Nobuyuki Imoto^*

^*Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan

^**Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), 588-2 Iwaoka, Kobe 651-2492, Japan

^***Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan

^****Photon Science Center, The University of Tokyo, Bunkyo-ku, 113-8656, Japan