MU-Type Multicore Fiber Connector. - Ryo Nagase; Katsuyoshi Sakaime; Kengo Watanabe; Tsunetoshi Saito (IEICE Trans. Electron., 2013)

Development of small MT type 2-multicore fiber connector. - Kengo Watanabe; Tsunetoshi Saito; Katsuki Suematsu; Ryo Nagase; Masato Shiino (OFC, 2014)

51.1-Tbit/s MCF transmission over 2, 520 km using cladding pumped 7-core EDFAs. - Koki Takeshima; Takehiro Tsuritani; Yukihiro Tsuchida; Koichi Maeda; Tsunetoshi Saito; Kengo Watanabe; Toru Sasa; Katsunori Imamura; Ryuichi Sugizaki; Koji Igarashi; Itsuro Morita; Masatoshi Suzuki (OFC, 2015)

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

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

8-Channel CWDM TOSA for CPO External Laser Sources Employing a Blind Mate Optical Connector. - Taketsugu Sawamura; Kyoko Nagai; Kazuhiko Kashima; Kohei Umeta; Daiki Takeda; Tsunetoshi Saito; Hideyuki Nasu (OFC, 2023)

Ultra-compact Reflow-compatible Detachable Optical Connector for Co-Packaged Optics. - Kengo Watanabe; Shosuke Ikeda; Yuki Fujimaki; Tsunetoshi Saito; Masaki Kotoku (OFC, 2025)