An ATM-PON architecture for multimedia services. - Yoshio Kajiyama; Yoshihiro Takigawa; Shin'ichi Aoyagi; Yasuyuki Okumura (MMNS, 1997)

GMPLS-based photonic multilayer router (Hikari router) architecture: an overview of traffic engineering and signaling technology. - Ken-ichi Sato; Naoaki Yamanaka; Yoshihiro Takigawa; Masafumi Koga; Satoru Okamoto; Kohei Shiomoto; Eiji Oki; Wataru Imajuku (IEEE Commun. Mag., 2002)

Advances in optical path crossconnect systems using planar-lightwave circuit-switching technologies. - Shigeki Aisawa; Atsushi Watanabe; Takashi Goh; Yoshihiro Takigawa; Masafumi Koga; Hiroshi Takahashi (IEEE Commun. Mag., 2003)

Dynamic multilayer routing schemes in GMPLS-based IP+optical networks. - Eiji Oki; Kohei Shiomoto; Daisaku Shimazaki; Naoaki Yamanaka; Wataru Imajuku; Yoshihiro Takigawa (IEEE Commun. Mag., 2005)

Highly-Reliable and Fast M: N End-to-End Restoration Scheme for Photonic IP Networks. - Wataru Imajuku; Yoshiaki Sone; Naohide Nagatsu; Akio Sahara; Yoshihiro Takigawa (IEICE Trans. Commun., 2005)

The first functional demonstration of optical virtual concatenation as a technique for achieving Terabit networking. - Akira Hirano; Luc Renambot; Byungil Jeong; Jason Leigh; Alan Verlo; Venkatram Vishwanath; Rajvikram Singh; Julieta Aguilera; Andrew E. Johnson 001; Thomas A. DeFanti; Lance Long; Nicholas Schwarz; et al. (Future Gener. Comput. Syst., 2006)

An Active Terminal Circuit and Its Application to a Distributed Amplifier. - Hitoshi Hayashi; Munenari Kawashima; Tadao Nakagawa; Kazuhiro Uehara; Yoshihiro Takigawa (IEICE Trans. Electron., 2007)

Miniaturized Broadband Lumped-Element In-Phase Power Dividers. - Hitoshi Hayashi; Tadao Nakagawa; Kazuhiro Uehara; Yoshihiro Takigawa (IEICE Trans. Electron., 2007)

A Miniaturized In-Phase Power Divider with a DC Block Function. - Hitoshi Hayashi; Tadao Nakagawa; Kazuhiro Uehara; Yoshihiro Takigawa (IEICE Trans. Electron., 2007)