FOPA with flat 21-dB gain and NF less than 4-dB using alternately concatenated pump-phase shifters and HNLFs. - Shigehiro Takasaka; Yu Mimura; Hiroshi Matsuura; Masahito Morimoto; Masanori Takahashi; Ryuichi Sugizaki (OFC/NFOEC, 2013)

Multicore EDFA for DWDM transmission in full C-band. - Yukihiro Tsuchida; Koichi Maeda; Kengo Watanabe; Toshiharu Ito; Kiyoshi Fukuchi; Masato Yoshida; Yu Mimura; Ryuichi Sugizaki; Masataka Nakazawa (OFC/NFOEC, 2013)