Author Affiliations
Eiichi Yamada,*
Yasuo Shibata,
Kei Watanabe,
Takako Yasui,
Akira Ohki,
Hiroyasu Mawatari,
Shigeru Kanazawa,
Ryuzo Iga,
and Hiroyuki Ishii
NTT Photonics Laboratories, NTT Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa, 243-0198 Japan
*Corresponding author: yamada.eiichi@lab.ntt.co.jp