Author Affiliations

T. Mizuno,^(1),* T. Kobayashi,⁽¹⁾ H. Takara,⁽¹⁾ A. Sano,⁽¹⁾ H. Kawakami,⁽¹⁾ T. Nakagawa,⁽¹⁾ Y. Miyamoto,⁽¹⁾ Y. Abe,⁽²⁾ T. Goh,⁽²⁾ M. Oguma,⁽²⁾ T. Sakamoto,⁽³⁾ Y. Sasaki,⁽⁴⁾ I. Ishida,⁽⁴⁾ K. Takenaga,⁽⁴⁾ S. Matsuo,⁽⁴⁾ K. Saitoh,⁽⁵⁾ and T. Morioka⁽⁶⁾

⁽¹⁾NTT Network Innovation Laboratories, NTT Corporation, 1-1 Hikari-no-oka, Yokosuka, Kanagawa, 239-0847 Japan

⁽²⁾NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa, 243-0198 Japan

⁽³⁾NTT Access Network Service Systems Laboratories, NTT Corporation, Tsukuba, Ibaraki, 305-0805 Japan

⁽⁴⁾Optics and Electronics Laboratory, Fujikura Ltd., 1440, Mutsuzaki, Sakura, Chiba, 285-8550 Japan

⁽⁵⁾Hokkaido University, North 14 West 9, Sapporo, Hokkaido, 060-0814 Japan

⁽⁶⁾Technical University of Denmark, DK2800 Kgs. Lyngby, Denmark

^*Corresponding author: [email protected]