Keisuke Kasai
According to our database1,
Keisuke Kasai
authored at least 51 papers
between 2006 and 2023.
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Bibliography
2023
Demodulation Performance Comparison of High-Speed Coherent Nyquist Pulse Signal with Analog and Digital Demultiplexing Schemes.
IEICE Trans. Commun., November, 2023
Conversion Gain Enhancement of a UTC-PD-Integrated HEMT Photonic Double-Mixer by High-Intensity Optical Subcarrier Signal.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023
2022
Experimental and Numerical Analysis of Ultrahigh-Speed Coherent Nyquist Pulse Transmission with Low-Nonlinearity Dispersion Compensator.
IEICE Trans. Commun., September, 2022
Precise Measurements and their Analysis of GAWBS-Induced Depolarization Noise in Multi-Core Fiber for Digital Coherent Transmission.
IEICE Trans. Commun., 2022
Demodulation Performance Comparison of 160 Gbaud Coherent Nyquist Pulse Signal with Analog and Digital DEMUX Schemes.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
2021
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021
64 Gbit/s, 256 QAM Transmission Through Coherent Optical-Wireless Link at 61 GHz Using Simple and High OSNR Carrier Frequency Converter.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021
Broadband Dynamic Injection-Locking Performance of Fabry-Perot LD and Its Application to Coherent Homodyne Receiver.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021
2020
Research Project to Realize Various High-reliability Communications in Advanced 5G Network.
Proceedings of the 2020 IEEE Wireless Communications and Networking Conference, 2020
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Experimental and Theoretical Analyses of GAWBS Phase Noise in Multi-Core Fiber for Digital Coherent Transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
10 GHz, 6.2 ps Transform-Limited Coherent Optical Pulse Generation from a 1.55 μm, Self-Injection Gain-Switched DFB-LD.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
64 Gbit/s, 256 QAM Coherently-Linked Optical and Wireless Transmission in 61 GHz Band Using Novel Injection-Locked Carrier Frequency Converter.
Proceedings of the European Conference on Optical Communications, 2020
2019
Real-Time 256 QAM Bi-directional Coherent Transmission in Next Generation Mobile Fronthaul.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
GAWBS Noise Characteristics in Digital Coherent Transmission in Various Optical Fibers.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019
2018
4096 QAM (72 Gbit/s) Single-Carrier Coherent Optical Transmission with a Potential SE of 15.8 bit/s/Hz in All-Raman Amplified 160 km Fiber Link.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018
Experimental and Numerical Comparison of Probabilistically-Shaped 4096 QAM and Uniformly-Shaped 1024 QAM in All-Raman Amplified 160 km Transmission.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018
Observation of Guided Acoustic-Wave Brillouin Scattering and its Digital Compensation in Coherent QAM Transmission.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018
Backward-Rayleigh-Scattering Suppressed 160 Gbit/s 256 QAM Injection-Locked Bidirectional Coherent Transmission for Next Generation Mobile Fronthaul.
Proceedings of the European Conference on Optical Communication, 2018
2017
Single-channel 3.84 Tbit/s, 64 QAM coherent Nyquist pulse transmission over 150 km with frequency-stabilized and mode-locked laser.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
Single-carrier 216 Gbit/s, 12 Gsymbol/s 512 QAM coherent transmission over 160 km with injection-locked homodyne detection.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
Full C-band, mode-hop-free wavelength-tunable laser diode with a linewidth of 8 kHz and a RIN of -130 dB/Hz.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
42.3-Tbit/s, 18-Gbaud 64QAM WDM coherent transmission of 160 km over full C-band using an injection locking technique with a spectral efficiency of 9 bit/s/Hz.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
A New Optical Phase-Locked System Between Ultrashort Pulses for 640 Gbaud Nyquist OTDM Coherent QAM Transmission.
Proceedings of the European Conference on Optical Communication, 2017
80 Gbit/s/ch, 256 QAM Digital Coherent Optical Transmission System with Injection-Locking for Next Generation Mobile Fronthaul Network.
Proceedings of the European Conference on Optical Communication, 2017
Single-carrier 552 Gbit/s, 46 Gbaud 64 QAM Coherent Transmission over 100 km with Co-propagating 10 Gbit/s-OOK Signals Through a Deployed ROADM Network.
Proceedings of the European Conference on Optical Communication, 2017
2016
A 295 mW output, HCN frequency-stabilized CW erbium silica fiber laser with a linewidth of 5 kHz and a RIN of -120 dB/Hz.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016
2015
First demonstration of digital coherent transmission in a deployed ROADM network with a 120 Gbit/s polarization-multiplexed 64 QAM signal.
IEICE Electron. Express, 2015
Real-time 10 Gbit/s-16 QAM quantum stream cipher transmission over 320 km with FPGA-based transmitter and receiver.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015
Single-channel 1.92 Tbit/s, 64 QAM coherent orthogonal TDM transmission of 160 Gbaud optical Nyquist pulses with 10.6 bit/s/Hz spectral efficiency.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015
256 QAM (polarization-multiplexed, 5 Gsymbol/s) coherent transmission with an injection-locked homodyne detection technique.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015
Real-time adaptive 4-64 QAM, 20-60 Gbit/s quantum noise stream cipher transmission over 320 km with FPGA-based transmitter and receiver.
Proceedings of the European Conference on Optical Communication, 2015
Proceedings of the 49th Asilomar Conference on Signals, Systems and Computers, 2015
2014
60 Gbit/s, 64 QAM LD-based injection-locked coherent heterodyne transmission over 160 km with a spectral efficiency of 9 bit/s/Hz.
IEICE Electron. Express, 2014
1.92 Tbit/s, 64 QAM coherent Nyquist pulse transmission over 150 km with a spectral efficiency of 7.5 bit/s/Hz.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014
2048 QAM (66 Gbit/s) single-carrier coherent optical transmission over 150 km with a potential SE of 15.3 bit/s/Hz.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014
Real-time adaptive 4-64 QAM coherent optical transmission over 320 km with FPGA-based transmitter and receiver.
Proceedings of the European Conference on Optical Communication, 2014
A single-channel 960 Gbit/s 64 QAM orthogonal TDM transmission with a spectral efficiency of 10.0 bit/s/Hz using coherent Nyquist pulses.
Proceedings of the European Conference on Optical Communication, 2014
Novel ultrafast TDM demultiplexing scheme using orthogonality in coherent Nyquist pulses.
Proceedings of the European Conference on Optical Communication, 2014
2013
A single-channel, 1.6 Tbit/s 32 QAM coherent pulse transmission over 150 km with RZ-CW conversion and FDE techniques.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
An LD-based ultra-low phase noise opll circuit using an optical voltage controlled oscillator.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
2011
IEICE Trans. Commun., 2011
Polarization-multiplexed, 10Gsymbol/s, 64QAM coherent transmission over 150km with OPLL-based homodyne detection employing narrow linewidth LDs.
IEICE Electron. Express, 2011
2010
IEICE Electron. Express, 2010
Proceedings of the 6th World Congress on Services, 2010
2008
The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission.
IEICE Electron. Express, 2008
Polarization and frequency division multiplexed 1Gsymbol/s, 64 QAM coherent optical transmission with 8.6bit/s/Hz spectral efficiency over 160km.
IEICE Electron. Express, 2008
2007
Optical phase-locked loop for coherent transmission over 500km using heterodyne detection with fiber lasers.
IEICE Electron. Express, 2007
2006
Performance improvement of an acetylene (C<sub>2</sub>H<sub>2</sub>) frequency-stabilized fiber laser.
IEICE Electron. Express, 2006