Newly Developed Optical Fiber Line Testing System Employing Bi-Directional OTDRs for PON and In-Service Line Testing Criteria. - Yusuke Koshikiya; Noriyuki Araki; Hisashi Izumita; Fumihiko Ito (IEICE Trans. Commun., 2007)

Optical Fiber Line Testing System Employing 1.65 µ Test Light Bypass Module for In-Service Monitoring of ADM Ring Networks. - Yoshitaka Enomoto; Hisashi Izumita; Nobuo Tomita (IEICE Trans. Commun., 2008)

Novel optical switch using manual guide-pin slide method based on MT multifiber connector technique. - Tomoya Shimizu; Mitsuru Kihara; Hisashi Izumita; Toshio Kurashima (OFC/NFOEC, 2013)

Spatial Mode Dispersion Control in a Coupled MCF using High Density Cabling Parameters. - Yusuke Yamada; Taiji Sakamoto; Masaki Wada; Saki Nozoe; Yuto Sagae; Yoko Yamashita; Hisashi Izumita; Kazuhide Nakajima; Hiroaki Tanioka (OFC, 2020)