Development of MPO type 8-multicore fiber connector. - Kengo Watanabe; Tsunetoshi Saito; Kohei Kawasaki; Mitsuhiro Iwaya; Takayuki Ando; Katsuki Suematsu; Masato Shiino (OFC, 2015)

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)

Four-fiber Fan-out for MCF with square lattice structure. - Kohei Kawasaki; Takeshi Sugimori; Kengo Watanabe; Tsunetoshi Saito; Ryuichi Sugizaki (OFC, 2017)

Cladding Pump Recycling in 7-Core EDFA. - Shigehiro Takasaka; Koichi Maeda; Kohei Kawasaki; Kazuaki Yoshioka; Ryuichi Sugizaki; Masayoshi Tsukamoto (ECOC, 2018)

Recent Progress and Outlook on Multicore Fiber for Practical Use. - Tomohiro Gonda; Katsunori Imamura; Kohei Kawasaki; Ryuichi Sugizaki; Shinichi Arai; Masayoshi Tsukamoto; Masato Shiino (OFC, 2018)

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)

Cladding Pump Recycling Device for 19-Core EDFA. - Shigehiro Takasaka; Koichi Maeda; Kohei Kawasaki; Kazuaki Yoshioka; Ryuichi Sugizaki; Masayoshi Tsukamoto (OFC, 2019)

Field Test of Installed High-Density Optical Fiber Cable with Multi-Core Fibers toward Practical Deployment. - Takehiro Tsuritani; Daiki Soma; Yuta Wakayama; Yuichi Miyagawa; Mikoto Takahashi; Itsuro Morita; Koichi Maeda; Kohei Kawasaki; Toshikazu Matsuura; Masayoshi Tsukamoto; Ryuichi Sugizaki (OFC, 2019)

Propagation Direction Interleaved Cladding Pumped 19-core EDFA. - Koichi Maeda; Shigehiro Takasaka; Kohei Kawasaki; Kazuaki Yoshioka; Ryuichi Sugizaki; Masayoshi Tsukamoto (OECC/PSC, 2019)

Fan-in/Fan-out for multicore fibers. - Masanori Takahashi; Kohei Kawasaki; Ryuichi Sugizaki; Yoshihiro Arashitani (OECC/PSC, 2022)