Masafumi Koga

发表

Very-high-speed analog neural network LSI implementation using super self-aligned Si bipolar process technology

Yoshihito Amemiya, Shigeki Aisawa, Takao Matsumoto, 1993, Proceedings of 1993 International Conference on Neural Networks (IJCNN-93-Nagoya, Japan).

Photonic Network Vision 2020—Toward Smart Photonic Cloud

Masahiko Jinno, Takehiro Tsuritani, Masaki Fukui, 2014, Journal of Lightwave Technology.

Optical diversity transmission with signal and its phase-conjugate lights through multi-core fiber

H. Takara, Masafumi Koga, Akira Mizutori, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Optical switch and LD devices for future optical subscriber loop systems

Koji Kikushima, Masafumi Koga, T. Matsumoto, 1988, IEEE International Conference on Communications, - Spanning the Universe..

Optical micromanipulation using nonliner photo-responses

Kenji Setoura, Syoji Ito, Hiroshi Miyasaka, 2020, Other Conferences.

Fully transparent multiplexing and transport of 10GbE-LANPHY signals in 44.6-Gbit/s-based RZ-DQPSK WDM transmission

Masahito Tomizawa, Yoshiaki Kisaka, Akihide Sano, 2007, OFC 2007.

Neural-processing type optical wavelength demultiplexer using high-speed analog-neural-network integrated circuits

Atsushi Iwata, Yoshihito Amemiya, Akio Sugita, 1991 .

Simply and cost-effectively configured radio on fiber link demonstration for 1-GHz frequency band to enhance intercept point

Atsushi Kodama, Takayuki Furuta, Yoshiaki Tarusawa, 2011, 16th Opto-Electronics and Communications Conference.

Very-High-Speed Analog Neural Network LSI Using Super Self-Aligned Si Bipolar Process Technology

Yoshihito Amemiya, Kazuhiro Noguchi, Shigeki Aisawa, 1994 .

Optical filter using a fabry–perot type semiconductor laser amplifier

Koji Kikushima, Masafumi Koga, Kiyoshi Nawata, 1990 .

Frequency nondegenerate optical parametric phase-sensitive amplifier repeater by using recovered pump carrier generated from phase-conjugated twin waves

Atsushi Takada, Yuya Ohmichi, Yasuhiro Okamura, 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

Next Generation Optical Communication Technologies for Realizing Bandwidth Abundant Networking Capability

Toshio Morioka, Yutaka Miyamoto, Masafumi Koga, 2004 .

Automatic optical heterodyne phase lock by microcomputer-assisted loop filter

Masafumi Koga, Akira Mizutori, Yudai Hisata, 2016 .

Signal light carrier automatic phase-lock operation to optical frequency grid comb

Masafumi Koga, Akira Mizutori, Yudai Hisata, 2016, 2016 21st OptoElectronics and Communications Conference (OECC) held jointly with 2016 International Conference on Photonics in Switching (PS).

High-speed analogue neural-network LSI employing super-selfaligned Si bipolar process technology

Atsushi Iwata, Takao Matsumoto, Masafumi Koga, 1991 .

Q-value improvement by electrical maximum ratio combining in optical diversity transmission through multi-core fiber

H. Takara, T. Kobayashi, Masafumi Koga, 2014, 2014 OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology.

Octave-spanning frequency comb generated by 250 fs pulse train emitted from 25 GHz externally phase-modulated laser diode for carrier-envelope-offset-locking

Atsushi Takada, Shinichi Aozasa, H. Takara, 2010 .

32×10 Gb/s distributed Raman amplification transmission with 50-GHz channel spacing in the zero-dispersion region over 640 km of 1.55-µm dispersion-shifted fiber

Hiroji Masuda, Masafumi Koga, Noburo Takachio, 1999 .

Costas Loop Homodyne Detection for 20-Gb/s QPSK Signal on the Optical Frequency Synchronous Network

Hiroshi Ohta, Masafumi Koga, Akira Mizutori, 2015, Journal of Lightwave Technology.

Decision-Directed Costas Loop Stable Homodyne Detection for 10-Gb/s BPSK Signal Transmission

Masafumi Koga, Akira Mizutori, M. Koga, 2014, IEEE Photonics Technology Letters.

Stable Costas Loop Homodyne Detection for 20-Gbit/s QPSK Signal Fiber Transmission

Masafumi Koga, Akira Mizutori, S. Y. Set, 2013 .

Neural-processing-type optical WDM demultiplexer

Yoshihito Amemiya, Kazuhiro Noguchi, Shigeki Aisawa, 1993 .