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Journal Articles
- 2018
[j7]Takahisa Kodama, Akira Mizutori, Takayuki Kobayashi
, Takayuki Mizuno, Masafumi Koga:
Nonlinear Phase-Shift Cancellation by Taking the Geometric Mean of WDM-Signal Phase-Conjugate Pair. IEICE Trans. Commun. 101-B(8): 1845-1852 (2018)- 2014
- [j6]Junji Higashiyama, Yoshiaki Tarusawa, Masafumi Koga:
Simply configured Radio on Fiber link yielding positive gain for mobile phone system. IEICE Electron. Express 11(15): 20140411 (2014) - 2011
- [j5]Masafumi Koga:
Foreword. IEICE Trans. Commun. 94-B(7): 1793 (2011) - 2003
- [j4]Shigeki Aisawa, Atsushi Watanabe, Takashi Goh, Yoshihiro Takigawa, Masafumi Koga, Hiroshi Takahashi:
Advances in optical path crossconnect systems using planar-lightwave circuit-switching technologies. IEEE Commun. Mag. 41(9): 54-57 (2003) - 2002
- [j3]Ken-ichi Sato, Naoaki Yamanaka, Yoshihiro Takigawa, Masafumi Koga, Satoru Okamoto, Kohei Shiomoto, Eiji Oki, Wataru Imajuku:
GMPLS-based photonic multilayer router (Hikari router) architecture: an overview of traffic engineering and signaling technology. IEEE Commun. Mag. 40(3): 96-101 (2002) - 2000
- [j2]Satoru Okamoto, Masafumi Koga, Hiro Suzuki, Kenji Kawai:
Robust photonic transport network implementation with optical cross-connect systems. IEEE Commun. Mag. 38(3): 94-103 (2000) - 1998
- [j1]Masafumi Koga, Atsushi Watanabe, Takeshi Kawai, Ken-ichi Sato, Yasuji Ohmori:
Large-capacity optical path cross-connect system for WDM photonic transport network. IEEE J. Sel. Areas Commun. 16(7): 1260-1269 (1998)
Conference and Workshop Papers
- 2017
- [c7]Akira Mizutori, T. Abe, Takahisa Kodama, Masafumi Koga:
Optical 16-QAM signal homodyne detection by extracting +/-π/4 and +/-3π/4-phase symbols. OFC 2017: 1-3 - 2016
- [c6]Yasuhiro Okamura, Kotaro Kondo, Shingo Seki, Yuya Ohmichi, Masafumi Koga, Atsushi Takada:
Frequency nondegenerate optical parametric phase-sensitive amplifier repeater by using recovered pump carrier generated from phase-conjugated twin waves. OFC 2016: 1-3 - 2015
- [c5]Masafumi Koga, Mitsuki Moroi, H. Takara:
Nonlinear phase-shift cancellation by maximum-ratio combining WDM phase-conjugate diversity lights transmitted through multi-core fiber. ECOC 2015: 1-3 - [c4]Masafumi Koga, Akira Mizutori, Teppei Ohata, H. Takara:
Optical diversity transmission with signal and its phase-conjugate lights through multi-core fiber. OFC 2015: 1-3 - 2013
- [c3]Ken-ichi Kitayama, Masaki Fukui, Naoaki Yamanaka, Masahiko Jinno, Atsushi Hiramatsu, Takehiro Tsuritani, Satoru Okamoto, Masafumi Koga:
Photonic network vision 2020 - Smart photonic networking, synthetic transport platform, and scale-free photonics. GLOBECOM Workshops 2013: 1239-1244 - 1990
- [c2]Takao Matsumoto, Masafumi Koga:
A high-speed learning method for analog neural networks. IJCNN 1990: 71-76 - [c1]Takao Matsumoto, Masafumi Koga, Kazuhiro Noguchi, Shigeki Aizawa:
Proposal for neural-network applications to fiber-optic transmission. IJCNN 1990: 75-80
Coauthor Index
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