Increase of Cladding Pump Power Efficiency by a 19-Core Erbium Doped Fibre Amplifier. - Shigehiro Takasaka; Koichi Maeda; Kohei Kawasaki; Kazuaki Yoshioka; Hajime Oshio; Ryuichi Sugizaki; Yu Kawaguchi; Hidenori Takahashi; Takehiro Tsuritani; Masato Shiino (ECOC, 2017)

EDF Length Dependence of Amplification Characteristics of Cladding Pumped 19-Core EDFA. - Shigehiro Takasaka; Koichi Maeda; Kohei Kawasaki; Kazuaki Yoshioka; Hajime Oshio; Ryuichi Sugizaki; Hidenori Takahashi; Takehiro Tsuritani; Masato Shiino (OFC, 2018)

Uncoupled 6-core Fibers with a Standard 125-μm Cladding, ITU-T G.652 Optical Properties, and Low XT. - Kazunori Mukasa; Takeshi Takagi; Takaaki Shishikura; Katsuhisa Maruyma; Hajime Oshio; Aditi Mehta; Karsten Rottwitt; Toshio Morioka (OFC, 2023)