Naokatsu Yamamoto

92 papers Misc 1Journal 12Unranked 79

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	$150-\text{GHz}$ Bandwidth, -30 dB CMRR Balanced Photodetector for High-Baud Rate PSK Signal Detection. ECOC Toshimasa Umezawa, Shinya Nakajima, Atsushi Matsumoto, Kouichi Akahane, Naokatsu Yamamoto
2025	J	`jnl`	Fiber Nonlinearity Compensation Using Nonlinear Equalizer Based on Complex-Valued Reservoir Computing. IEICE Trans. Commun. Kai Ikuta, Yuta Ito, Takahide Sakamoto, Naokatsu Yamamoto, Moriya Nakamura
2025	—	`conf`	Fully Packaged 100-GHz-Bandwidth EO-Equalizer-Integrated TFLN Modulator with Record-High Slope Efficiency Enabling 200-GBaud Signaling. OFC Yuya Yamaguchi, Paikun Zhu, Pham Tien Dat, Shingo Takano, Shotaro Hirata, Yu Kataoka, Junichiro Ichikawa, Ryo Shimizu, Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Tetsuya Kawanishi
2025	—	`conf`	Low-Complexity Digital Twinning of Optical I/Q Modulator by Direct-Detection with Widely Non-Linear Phase Retrieval. OFC Yuki Yoshida, Shoichiro Oda, Naokatsu Yamamoto, Takeshi Hoshida, Kouichi Akahane
2025	—	`conf`	Photonics-Enabled Simultaneous Demultiplexing and Down-Conversion of $220 ~\text{Gb} / \mathrm{s}$ Aggregate 300 GHz Terahertz Signals. ECOC Pham Tien Dat, Yuya Yamaguchi, Keizo Inagaki, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Kouichi Akahane
2025	—	`conf`	Sub-Terahertz Signal Demultiplexing and Downconversion Using Photonic Technology. OFC Pham Tien Dat, Yuya Yamaguchi, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Kouichi Akahane
2024	—	`conf`	151.5-GHz Sub-THz Signal Reception and Downconversion Using All-Optical Technology. OFC Pham Tien Dat, Yuya Yamaguchi, Shingo Takano, Shotaro Hirata, Junichiro Ichikawa, Ryo Shimizu, Keizo Inagaki, Isao Morohashi, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Kouichi Akahane
2024	—	`conf`	40-Gbit/s Mobile FSO with High-speed Beam Stabilizer and 2D-PDA-based Diversity Receiver for Support Robots. OFC Zu-Kai Weng, Yuki Yoshida, Toshimasa Umezawa, Abdelmoula Bekkali, Michikazu Hattori, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Kouichi Akahane
2024	—	`conf`	DC-226 GHz well-impedance-matched high-speed photoreceiver for multi-band signal detection. OFC Toshimasa Umezawa, Pham Tien Dat, Yuki Yoshida, Shinya Nakajima, Atsushi Matsumoto, Kouichi Akahane, Atsushi Kanno, Naokatsu Yamamoto
2024	—	`conf`	Demonstration of Robust Mobile Free Space Optical System using High-speed Beam Tracking and 2D-PDA-based Spatial-Diversity Reception. OFC Zu-Kai Weng, Yuki Yoshida, Toshimasa Umezawa, Abdelmoula Bekkali, Michikazu Hattori, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Kouichi Akahane
2024	—	`conf`	Low Threshold and 10kHz-Class Narrow Linewidth 1.55 µm-Band Quantum Dot Laser Diode on InP(311)B Substrate. OFC Atsushi Matsumoto, Ryota Yabuki, Shinya Nakajima, Toshimasa Umezawa, Siim Heinsalu, Yuichi Matsushima, Koichi Akahane, Naokatsu Yamamoto, Katsuyuki Utaka
2024	—	`conf`	Thin-Film Lithium Niobate Modulator for a Flat Frequency-Response over 110 GHz Bandwidth with Integrated Electro-Optic Frequency-Domain Equalizer. OFC Yuya Yamaguchi, Pham Tien Dat, Naokatsu Yamamoto, Kouichi Akahane, Atsushi Kanno, Tetsuya Kawanishi
2023	—	`conf`	100-Gbps 2-SDM 2-WDM FSO beam direct detection using resonant cavity 4x4 photodetector array. OFC Toshimasa Umezawa, Atsushi Matsumoto, Kouichi Akahane, Atsushi Kanno, Naokatsu Yamamoto
2023	—	`conf`	Gbps-Class Solar-Blind WDM Optical Wireless Communication By (264, 274, 282)-nm Deep-UV LEDs and CsTe Photomultiplier Tube. OFC Yuki Yoshida, Kazunobu Kojima, Masaki Shiraiwa, Atsushi Kanno, Akira Hirano, Yosuke Nagasawa, Masamichi Ippommatsu, Naokatsu Yamamoto, Shigefusa Chichibu, Yoshinari Awaji
2023	—	`conf`	Transparent Radio-Fiber-Radio-Fiber System in 100-GHz Band for Indoor Uplink Signal Transmission in Beyond 5G. OFC Pham Tien Dat, Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Kouichi Akahane
2023	—	`conf`	Transparent Relay and Switching of THz-wave Signals in 285-GHz Band Using Photonic Technology. OFC Pham Tien Dat, Yuya Yamaguchi, Keizo Inagaki, Shingo Takano, Shotaro Hirata, Junichiro Ichikawa, Ryo Shimizu, Isao Morohashi, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Kouichi Akahane
2022	—	`conf`	400-pixel high-speed photodetector for high optical alignment robustness FSO receiver. OFC Toshimasa Umezawa, Atsushi Matsumoto, Kouichi Akahane, Atsushi Kanno, Naokatsu Yamamoto
2022	J	`jnl`	Mach-Zehnder Optical Modulator Integrated with Tunable Multimode Interference Coupler of Ti:LiNbO IEICE Trans. Electron. Anna Hirai, Yuichi Matsumoto, Takanori Sato, Tadashi Kawai, Akira Enokihara, Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto
2022	—	`conf`	Proposal for a Highly Reliable In-Vehicle Optical Network: SiPhON (Si-Photonics-Based In-Vehicle Optical Network). OECC/PSC Hiroyuki Tsuda, Ryogo Kubo, Tatsuo Furuya, Masayuki Iwase, Masahito Morimoto, Hisashi Kondo, Yasushi Amamiya, Yoshiaki Nakano, Takuo Tanemura, Masayuki Murata, Shin'ichi Arakawa, Naokatsu Yamamoto, Atsushi Matsumoto, Ryo Takahashi
2021	—	`conf`	1024-QAM Analog Waveform Transmission Over a Seamless Fiber-Wireless System in W Band. INFOCOM Workshops Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2021	—	`conf`	240-Gbps SDM-FSO communication using 4-bundle fiber and 2D photodetector array. OFC Toshimasa Umezawa, Kunio Jitsuno, Naokatsu Yamamoto, Tetsuya Kawanishi
2021	—	`conf`	Demonstration of 28-GHz Band Radio Signal Transmission into Vehicle by Analog Radio over Multi-Mode Fiber. OFC Hiroki Yasuda, Toshinori Suzuki, Hsuan-Yun Kao, Satoshi Tanaka, Shota Ishimura, Kazuki Tanaka, Naokatsu Yamamoto, Atsushi Kanno, Ryo Inohara, Kosuke Nishimura, Takamitsu Aiba, Tomohiro Wakabayashi, Tetsuya Kawanishi
2021	—	`conf`	Simultaneous Monitoring of Frequency-dependent IQ Imbalances in a Dual-polarization IQ Modulator by using a Single Photodetector: A Phase Retrieval Approach. OFC Yuki Yoshida, Setsuo Yoshida, Shoichiro Oda, Takeshi Hoshida, Naokatsu Yamamoto
2021	—	`conf`	Submillimeter Large High-speed Photodetector for High Optical Alignment Robustness Optical Wireless Communications. ECOC Toshimasa Umezawa, Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto
2021	—	`conf`	Transparent Fiber-Radio-Fiber Bridge at 101 GHz using Optical Modulator and Direct Photonic Down-Conversion. OFC Pham Tien Dat, Yuya Yamaguchi, Keizo Inagaki, Masayuki Motoya, Satoshi Oikawa, Junichiro Ichikawa, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	132 Gb/s 3×3 Full MIMO Fiber-Wireless Seamless System in W Band Using WDM/PDM RoF Transmission. ECOC Pham Tien Dat, François Rottenberg, Atsushi Kanno, Keizo Inagaki, Jérôme Louveaux, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	30 GHz Radio over FSO System using High Speed 2D-PDA and Its Optical Path Switching Performance. ECOC Toshimasa Umezawa, Pham Tien Dat, Atsushi Kanno, Kunihisa Jitsuno, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	Demonstration of Indoor 5G Fronthaul over Legacy Multimode Fiber Enabled by Real-time Analog-to-digital Compression (ADX). ECOC Paikun Zhu, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Ken-ichi Kitayama
2020	J	`jnl`	Electro-Optic Modulator for Compensation of Third-Order Intermodulation Distortion Using Frequency Chirp Modulation. IEICE Trans. Electron. Daichi Furubayashi, Yuta Kashiwagi, Takanori Sato, Tadashi Kawai, Akira Enokihara, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	High Speed 2D-PDA FSO Receiver for High Optical Alignment Robustness with Space Diversity. OFC Toshimasa Umezawa, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	High-Speed Radio-on-Free-Space Optical Mobile Fronthaul System for Ultra-Dense Radio Access Network. OFC Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, François Rottenberg, Jérôme Louveaux, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	On the Sample Complexity of Phase-Retrieval Receiver Based on 2-D Arrayed Photodetectors. OFC Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto, Tetsuya Kawanishi
2020	—	`conf`	Phase-Retrieving Coherent Reception and its Sample Complexity. ECOC Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto
2020	—	`conf`	Single-Pixel IQ Monitor via Computational Coherent Reception with Widely Linear Phase Retrieval. ECOC Yuki Yoshida, Takahito Tanimura, Setsuo Yoshida, Takeshi Hoshida, Naokatsu Yamamoto
2020	—	`conf`	Up-to 292-Mbps Deep-UV Communication over a Diffuse-Line-of-Sight Link Based on Silicon Photo Multiplier Array. ECOC Yuki Yoshida, Kazunobu Kojima, Masaki Shiraiwa, Atsushi Kanno, Akira Hirano, Yosuke Nagasawa, Masamichi Ippommatsu, Naokatsu Yamamoto, Shigefusa Chichibu, Yoshinari Awaji
2020	J	`jnl`	Variable-linewidth light source based on Brownian motion random walk in optical phase. IEICE Electron. Express Jun Mochizuki, Keizo Inagaki, Guo-Wei Lu, Takahide Sakamoto, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	1-λ, 16-Parallel Lanes, 50-Gbaud On-Off Keying Multi-Core Fiber Communication Directly Coupled to High Speed 2D-Photodetector Array. OFC Toshimasa Umezawa, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	Characterization of 2D high-speed photodetector array device for SDM fiber communication applications. OECC/PSC Ken Kusakata, S. Takamizawa, Toshimasa Umezawa, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	Coherent Detection Only by 2-D Photodetector Array: A Discreteness-Aware Phase Retrieval Approach. OFC Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto
2019	—	`conf`	Design of Optical Receiver for 28 GHz RF Transmission over Multi-mode Fiber. OECC/PSC Hiroki Yasuda, Takamitsu Aiba, Satoshi Tanaka, Toshinori Suzuki, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Tomohiro Wakabayashi
2019	—	`conf`	Dual-Parallel Mach-Zehnder Modulator Integrated with 180-degree Hybrid for Compensation of Third-Order Intermodulation Distortion. OECC/PSC Daichi Furubayashi, Yuta Kashiwagi, Tadashi Kawai, Akira Enokihara, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	Evaluation of Bend-Insensitive Plastic and Glass Fiber for 28-GHz RF Transmission. OECC/PSC Takamitsu Aiba, Hiroki Yasuda, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Tomohiro Wakabayashi
2019	—	`conf`	Experimental Evaluation of Wavelength-Dependence of Thin-Film LiNbO3 Modulator with an Extinction-Ratio-Tunable Structure. OECC/PSC Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	Field Trial of 1.5-Gbps 97-GHz Train Communication System Based on Linear Cell Radio Over Fiber Network for 240-km/h High-Speed Train. OFC Atsushi Kanno, Pham Tien Dat, Toshimasa Umezawa, Naokatsu Yamamoto, Tetsuya Kawanishi, Nagateru Iwasawa, Nariya Iwaki, Kazuki Nakamura, Kunihiro Kawasaki, Naoki Kanada, Naruto Yonemoto, Yosuke Sato, Masato Fujii, Katsuya Yanatori, Nobuhiko Shibagaki, Kenichi Kashima
2019	—	`conf`	Full-Duplex Transmission of Nyquist-SCM Signal over a Seamless Bidirectional Fiber-Wireless System in W-Band. OFC Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Nguyen Van Dien, Nguyen Tan Hung, Tetsuya Kawanishi
2019	—	`conf`	Hybrid Optical Wireless-mmWave: Ultra High-Speed Indoor Communications for Beyond 5G. INFOCOM Workshops Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	Integrated Fiber-Wireless System in W Band for Ultra-Dense Small-Cell and Moving-Cell Network. GLOBECOM Workshops Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2019	—	`conf`	Simultaneous Compensation of Fiber Nonlinearity and Dispersive Fading Effects by Conjugated-Paired Radio-on-Fiber Transmission with Phase-Shifted Dual-Sideband Downconversion. OECC/PSC Takahide Sakamoto, Guo-Wei Lu, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	—	`conf`	1.6-Gbps LED-Based Ultraviolet Communication at 280 nm in Direct Sunlight. ECOC Kazunobu Kojima, Yuki Yoshida, Masaki Shiraiwa, Yoshinari Awaji, Atsushi Kanno, Naokatsu Yamamoto, Shigefusa Chichibu
2018	—	`conf`	400-Gbps Space Division Multiplexing Optical Wireless Communication Using Two-Dimensional Photodetector Array. ECOC Toshimasa Umezawa, Takahide Sakamoto, Atsushi Kanno, Shinya Nakajima, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	—	`conf`	90-GHz Linear-Cell Systems for Public Transportation Systems. ICTON Tetsuya Kawanishi, Atsushi Kanno, Naokatsu Yamamoto
2018	—	`conf`	Cell-Less Network for Handover-Free Communications to High-Speed Trains Using a Switched WDM Fiber-Wireless Backhaul. ECOC Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	—	`conf`	Frequency Up-Conversion of Data-Carrying Optical Vortex for Optical Fibre to Optical Wireless Communications Interface. ECOC Guo-Wei Lu, Junichi Hamazaki, Keizo Inagaki, T. Kishimoto, Yuichi Ogawa, Norihiko Sekine, Akifumi Kasamatsu, Naokatsu Yamamoto, S. Yamaguchi, Iwao Hosako
2018	—	`conf`	Full-Duplex and Scalable MIMO Fiber-Wireless Seamless System in W-Band for Future Mobile Networks. OFC Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	—	`conf`	High-Speed and Handover-Free Communications for High-Speed Trains Using Switched WDM Fiber-Wireless System. OFC Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, François Rottenberg, Jérôme Louveaux, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	—	`conf`	High-speed Two-dimensional Photodetector Array for 4-WDM 25-Gbaud FSO Communication. OFC Toshimasa Umezawa, Takahide Sakamoto, Atsushi Kanno, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	—	`conf`	Optical Modulator with the Digitized Transfer Function for Multilevel Amplitude Shift Keying. ECOC Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2018	Misc	`conf`	Radio over multimode fiber system for short-reach radio relay links. PSC Atsushi Kanno, Naokatsu Yamamoto
2018	—	`conf`	Radio-over-Fiber-based Seamless Fiber-Wireless Convergence for Small Cell and Linear Cell Networks. OFC Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2017	—	`conf`	100 GHz optical-to-radio converter module and its application in radio and power over fiber transmission through multi-core fiber. OFC Toshimasa Umezawa, Pham Tien Dat, Eiichi Hase, Kenichi Kashima, Atsushi Kanno, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
2017	—	`conf`	Concept of sensor over fibres and its application to high resolution millimetre-wave radar. ICTON Tetsuya Kawanishi, Atsushi Kanno, Naokatsu Yamamoto
2017	—	`conf`	Dense SDM 32-Pixel 2-D Photodetector Array. ECOC Toshimasa Umezawa, Tadashige Sakamoto, Atsushi Kanno, Ken Kusakata, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
2017	—	`conf`	Linearized LiNbO3 Modulator with Dual Mach-Zehnder Interferometer and Branched Asymmetric CPW Electrode. ECOC Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Hirochika Nakajima
2017	—	`conf`	On the impact of Tomlinson-Harashima precoding in optical PAM transmissions for intra-DCN communication. OFC Kengo Matsumoto, Yuki Yoshida, Akihiro Maruta, Atsushi Kanno, Naokatsu Yamamoto, Ken-ichi Kitayama
2017	—	`conf`	Optical Subcarrier Processing for Nyquist SCM via Coherent Spectrum Overlapping in FWM with Coherent Pump. ECOC Guo-Wei Lu, Ruben S. Luis, Jose Manuel Delgado Mendinueta, Takahide Sakamoto, Naokatsu Yamamoto
2017	—	`conf`	Silicon photonic wavelength-tunable lasers for high-capacity optical communication systems. OFC Tomohiro Kita, Hiroyuki Yamazaki, Naokatsu Yamamoto, Hirohito Yamada
2017	J	`jnl`	Simple Self-Homodyne Detection Scheme for Optical OFDM With Inserted Pilot Subframes and Application in Optical Access Networks. IEEE Access Guo-Wei Lu, Xun Guan, Takahide Sakamoto, Naokatsu Yamamoto, Calvin Chun-Kit Chan
2017	—	`conf`	Simultaneous transmission of multi-RATs and mobile fronthaul in the MMW bands over an IFoF system. OFC Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2017	—	`conf`	Spatial Coherent Matched Detection Using High-Speed Two Dimensional Photo-Diode Array for Full-Channel Demultiplexing and Demodulation of Mode-Division-Multiplexed Signals. ECOC Takahide Sakamoto, Toshimasa Umezawa, Guo-Wei Lu, Kouichi Akahane, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2017	—	`conf`	Ultrafast demultiplexing of optical time-division multiplexed signals by parallel opto-electronic time-frequency domain sampling. OFC Takahide Sakamoto, Guo-Wei Lu, Naokatsu Yamamoto
2016	—	`conf`	31-GHz single-carrier, 44.6-Gbps photonic wireless transmission using a wide-bandwidth high power photodetector and a pre-distortion technique. OFC Toshimasa Umezawa, Kunihisa Jitsuno, Nobuhiko Shibagaki, Atsushi Kanno, Kouichi Akahane, A. Mstsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
2016	J	`jnl`	5G transport networks: the need for new technologies and standards. IEEE Commun. Mag. Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2016	—	`conf`	All-spectrum fiber-wireless transmission for 5G backhaul and fronthaul links. OFC Atsushi Kanno, Pham Tien Dat, Naokatsu Yamamoto, Iwao Hosako, Yuki Yoshida, Ken-ichi Kitayama, Tetsuya Kawanishi
2016	—	`conf`	High-capacity and high-spectral-efficiency seamless fiber-wireless system for high-speed trains. OFC Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2016	—	`conf`	Mitigation of modal crosstalk-induced power fading in mode division multiplexed W-band RoF links. OFC Nikolaos P. Diamantopoulos, Y. Takami, Yuki Yoshida, Akihiro Maruta, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Ryu Maruyama, N. Kuwaki, Shinji Matsuo, Ken-ichi Kitayama
2016	—	`conf`	On the channel capacity of polarization-multiplexed coherent radio-over-fiber transmissions at millimeter-wave bands. ICC Yuki Yoshida, Y. Takami, S. Inudo, Ken-ichi Kitayama, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2016	—	`conf`	Radio-over-fibre based high-speed millimetre-wave backhaul system for high-speed trains. ICTON Tetsuya Kawanishi, Atsushi Kanno, Pham Tien Dat, Naokatsu Yamamoto
2016	J	`jnl`	Transmission of multiband wireless signals over a seamless IM/DD fiber-MMW system. IEICE Electron. Express Nguyen Van Toan, Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Vo Nguyen Quoc Bao, Tetsuya Kawanishi
2015	—	`conf`	5G transport and broadband access networks: The need for new technologies and standards. Kaleidoscope Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2015	J	`jnl`	A 1.55-µm Waveband Optical Absorption Characterization of an Electro-Absorption Device with a Highly Stacked InAs/InGaAlAs Quantum Dot Structure. IEICE Trans. Electron. Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Tetsuya Kawanishi
2015	—	`conf`	Advanced photonics for wired and wireless seamless networks. ICTON Tetsuya Kawanishi, Atsushi Kanno, Pham Tien Dat, Atsushi Matsumoto, Naokatsu Yamamoto
2015	—	`conf`	Bias free operational 107-Gbaud ultra-fast photodetector. ECOC Toshimasa Umezawa, Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Tetsuya Kawanishi
2015	—	`conf`	High-spectral efficiency millimeter wave-over-fiber system for future mobile fronthaul. ECOC Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto, Tetsuya Kawanishi
2015	—	`conf`	Monolithically integrated quantum-dot optical modulator with semiconductor optical amplifier for 1.3µm waveband error-free 10-km-long transmission. OFC Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Tetsuya Kawanishi
2015	—	`conf`	Multifunctional all-optical signal processing scheme for simultaneous multichannel WDM multicast and XOR logic gates based on FWM in QD-SOA. OFC Danshi Wang, Min Zhang, Guo-Wei Lu, Jun Qin, Takahide Sakamoto, Kouichi Akahane, Naokatsu Yamamoto, Tetsuya Kawanishi, Ze Li, Yue Cui
2015	J	`jnl`	WDM RoF-MMW and linearly located distributed antenna system for future high-speed railway communications. IEEE Commun. Mag. Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
2015	—	`conf`	Zero-bias operational ultra-broadband UTC-PD above 110 GHz for high symbol rate PD-array in high-density photonic integration. OFC Toshimasa Umezawa, Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Keizo Inagaki, Tetsuya Kawanishi
2014	—	`conf`	Electro-optic devices for imaging systems using radio-over-fibre. ICTON Tetsuya Kawanishi, Naokatsu Yamamoto, Toshimasa Umezawa, Kouichi Akahane, Atsushi Kanno, Pham Tien Dat
2014	—	`conf`	Quantum dot two-mode laser at 1.55 μm-band for 90GHz radio over fiber applications. ECOC Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Toshimasa Umezawa, Tetsuya Kawanishi
2013	J	`jnl`	10-GHz High-Repetition Optical Short Pulse Generation from Wavelength-Tunable Quantum Dot Optical Frequency Comb Laser. IEICE Trans. Electron. Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi, Hideyuki Sotobayashi, Yuki Yoshioka, Hiroshi Takai
2012	J	`jnl`	Skew Dependence of Nanophotonic Devices Based on Optical Near-Field Interactions. ACM J. Emerg. Technol. Comput. Syst. Makoto Naruse, Ferdinand Peper, Kouichi Akahane, Naokatsu Yamamoto, Tadashi Kawazoe, Naoya Tate, Motoichi Ohtsu
2007	J	`jnl`	Novel Functionality and Material for Si-Photonics: Two-Photon Absorption Switching and Antimonide Hetero-Genius Epitaxy. IEICE Trans. Electron. Tak-Keung Liang, Kouichi Akahane, Naokatsu Yamamoto, Luis Romeu Nunes, Tetsuya Kawanishi, Masahiro Tsuchiya