Transmission Limitations Due to Fiber Nonlinearities in Optical FDM Systems. - Nori Shibata; Kiyoshi Nosu; Katsushi Iwashita; Yuji Azuma (IEEE J. Sel. Areas Commun., 1990)

Novel Optical-Fiber Network Management System in Central Office Using RFID and LED Navigation Technologies. - Masaki Waki; Shigenori Uruno; Yoshitaka Enomoto; Yuji Azuma (APNOMS, 2009)

Transmission length measurement for error-free optical fiber line switching system. - Takeshi Tsujimura; Koichi Yoshida; Kuniaki Tanaka; Yuji Azuma (INSS, 2010)

Maintenance and Operation Technologies for Optical Access Fiber Network Infrastructure. - Yuji Azuma (IEICE Trans. Electron., 2010)

Resilient FTTH Architecture With Ladder and Grid Network Structures. - Makoto Tsubokawa; Nazuki Honda; Yuji Azuma (JOCN, 2011)

A novel navigation system using augmented reality technology for distribution work at optical connector panels. - Ikutaro Ogushi; Kazunori Katayama; Yuji Azuma (APNOMS, 2012)

Single-Mode Hole-Assisted Fiber Cord for Highly Reliable Optical Fiber Distribution Facilities in Central Office. - Shinichi Aozasa; Yoshitaka Enomoto; Hiroyuki Oohashi; Yuji Azuma (IEICE Trans. Commun., 2012)

Fiber Endface Sealing Technique for Optical Connection of Holey Fibers with Low Loss and Reflection. - Masaki Waki; Kyozo Tsujikawa; Yuji Azuma (IEICE Trans. Commun., 2012)

Optical Fiber Connection Navigation System Using Visible Light Communication in Central Office with Economic Evaluation. - Masaki Waki; Shigenori Uruno; Hiroyuki Oohashi; Tetsuya Manabe; Yuji Azuma (IEICE Trans. Commun., 2012)

Assisted Focus Adjustment for Free Space Optics System Coupling Single-Mode Optical Fibers. - Koichi Yoshida; Kuniaki Tanaka; Takeshi Tsujimura; Yuji Azuma (IEEE Trans. Ind. Electron., 2013)