Masafumi Koga

14 papers B 2Journal 7Unranked 5
YearRankTypeTitle / Venue / Authors
2018 J jnl
Nonlinear Phase-Shift Cancellation by Taking the Geometric Mean of WDM-Signal Phase-Conjugate Pair.
IEICE Trans. Commun.
Takahisa Kodama, Akira Mizutori, Takayuki Kobayashi, Takayuki Mizuno, Masafumi Koga
2017 — conf
Optical 16-QAM signal homodyne detection by extracting +/-π/4 and +/-3π/4-phase symbols.
OFC
Akira Mizutori, T. Abe, Takahisa Kodama, Masafumi Koga
2016 — conf
Frequency nondegenerate optical parametric phase-sensitive amplifier repeater by using recovered pump carrier generated from phase-conjugated twin waves.
OFC
Yasuhiro Okamura, Kotaro Kondo, Shingo Seki, Yuya Ohmichi, Masafumi Koga, Atsushi Takada
2015 — conf
Nonlinear phase-shift cancellation by maximum-ratio combining WDM phase-conjugate diversity lights transmitted through multi-core fiber.
ECOC
Masafumi Koga, Mitsuki Moroi, H. Takara
2015 — conf
Optical diversity transmission with signal and its phase-conjugate lights through multi-core fiber.
OFC
Masafumi Koga, Akira Mizutori, Teppei Ohata, H. Takara
2014 J jnl
Simply configured Radio on Fiber link yielding positive gain for mobile phone system.
IEICE Electron. Express
Junji Higashiyama, Yoshiaki Tarusawa, Masafumi Koga
2013 — conf
Photonic network vision 2020 - Smart photonic networking, synthetic transport platform, and scale-free photonics.
GLOBECOM Workshops
Ken-ichi Kitayama, Masaki Fukui, Naoaki Yamanaka, Masahiko Jinno, Atsushi Hiramatsu, Takehiro Tsuritani, Satoru Okamoto, Masafumi Koga
2011 J jnl
Foreword.
IEICE Trans. Commun.
Masafumi Koga
2003 J jnl
Advances in optical path crossconnect systems using planar-lightwave circuit-switching technologies.
IEEE Commun. Mag.
Shigeki Aisawa, Atsushi Watanabe, Takashi Goh, Yoshihiro Takigawa, Masafumi Koga, Hiroshi Takahashi
2002 J jnl
GMPLS-based photonic multilayer router (Hikari router) architecture: an overview of traffic engineering and signaling technology.
IEEE Commun. Mag.
Ken-ichi Sato, Naoaki Yamanaka, Yoshihiro Takigawa, Masafumi Koga, Satoru Okamoto, Kohei Shiomoto, Eiji Oki, Wataru Imajuku
2000 J jnl
Robust photonic transport network implementation with optical cross-connect systems.
IEEE Commun. Mag.
Satoru Okamoto, Masafumi Koga, Hiro Suzuki, Kenji Kawai
1998 J jnl
Large-capacity optical path cross-connect system for WDM photonic transport network.
IEEE J. Sel. Areas Commun.
Masafumi Koga, Atsushi Watanabe, Takeshi Kawai, Ken-ichi Sato, Yasuji Ohmori
1990 B conf
A high-speed learning method for analog neural networks.
IJCNN
Takao Matsumoto, Masafumi Koga
1990 B conf
Proposal for neural-network applications to fiber-optic transmission.
IJCNN
Takao Matsumoto, Masafumi Koga, Kazuhiro Noguchi, Shigeki Aizawa