Return Loss Measurement Procedure for Multicore Fiber Connectors. - Kiyoshi Kamimura; Yuki Fujimaki; Haruki Hoshikawa; Kazuki Imaizumi; Kazuya Izawa; Ryo Nagase (IEICE Trans. Electron., 2022)

Ferrule Endface Dimension Optimization for Standard Outer Diameter 4-Core Fiber Connector. - Kiyoshi Kamimura; Yuki Fujimaki; Kentaro Matsuda; Ryo Nagase (IEICE Trans. Electron., 2023)

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