Optical Fiber Feeder for Microcellular Mobile Communication Systems (H-015). - Makoto Shibutani; Toshihito Kanai; Watani Domom; Katsumi Emura; Junji Namiki (IEEE J. Sel. Areas Commun., 1993)

A Gigabit-to-the-Home (GTTH) System for Future Broadband Access Infrastructure. - Makoto Shibutani; H. Ishikawa; Hiroshi Tezuka; Watani Domon; Masaaki Soda; Katsumi Emura (ICC (2), 1997)

A 2.5-Gb/s one-chip receiver module for gigabit-to-the-home (GTTH) system. - Masaaki Soda; S. Shiori; Takenori Morikawa; M. Tachigori; I. Watanabe; Makoto Shibutani (CICC, 1999)

A transparent hybrid fiber/copper approach to enlarge the service area of digital subscriber line. - Makoto Shibutani; H. Ishikawa; A. Kanazawa; Katsumi Emura (GLOBECOM, 2000)