Naokatsu Yamamoto

Publication Activity (10 Years)

Years Active: 2007-2023
Publications (10 Years): 75

Top Topics

Wireless Communication

Millimeter Wave

Sample Complexity

Top Venues

Publications

Toshimasa Umezawa, Atsushi Matsumoto, Kouichi Akahane, Atsushi Kanno, Naokatsu Yamamoto
100-Gbps 2-SDM 2-WDM FSO beam direct detection using resonant cavity 4x4 photodetector array. OFC (2023)
Yuki Yoshida, Kazunobu Kojima, Masaki Shiraiwa, Atsushi Kanno, Akira Hirano, Yosuke Nagasawa, Masamichi Ippommatsu, Naokatsu Yamamoto, Shigefusa Chichibu, Yoshinari Awaji
Gbps-Class Solar-Blind WDM Optical Wireless Communication By (264, 274, 282)-nm Deep-UV LEDs and CsTe Photomultiplier Tube. OFC (2023)
Pham Tien Dat, Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Kouichi Akahane
Transparent Radio-Fiber-Radio-Fiber System in 100-GHz Band for Indoor Uplink Signal Transmission in Beyond 5G. OFC (2023)
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
Transparent Relay and Switching of THz-wave Signals in 285-GHz Band Using Photonic Technology. OFC (2023)
Toshimasa Umezawa, Atsushi Matsumoto, Kouichi Akahane, Atsushi Kanno, Naokatsu Yamamoto
400-pixel high-speed photodetector for high optical alignment robustness FSO receiver. OFC (2022)
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
Proposal for a Highly Reliable In-Vehicle Optical Network: SiPhON (Si-Photonics-Based In-Vehicle Optical Network). OECC/PSC (2022)
Anna Hirai, Yuichi Matsumoto, Takanori Sato, Tadashi Kawai, Akira Enokihara, Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto
Waveguides for Controlling Modulation Extinction Ratio. IEICE Trans. Electron. (8) (2022)
Pham Tien Dat, Yuya Yamaguchi, Keizo Inagaki, Masayuki Motoya, Satoshi Oikawa, Junichiro Ichikawa, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Transparent Fiber-Radio-Fiber Bridge at 101 GHz using Optical Modulator and Direct Photonic Down-Conversion. OFC (2021)
Toshimasa Umezawa, Kunio Jitsuno, Naokatsu Yamamoto, Tetsuya Kawanishi
240-Gbps SDM-FSO communication using 4-bundle fiber and 2D photodetector array. OFC (2021)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
1024-QAM Analog Waveform Transmission Over a Seamless Fiber-Wireless System in W Band. INFOCOM Workshops (2021)
Toshimasa Umezawa, Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto
Submillimeter Large High-speed Photodetector for High Optical Alignment Robustness Optical Wireless Communications. ECOC (2021)
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
Demonstration of 28-GHz Band Radio Signal Transmission into Vehicle by Analog Radio over Multi-Mode Fiber. OFC (2021)
Yuki Yoshida, Setsuo Yoshida, Shoichiro Oda, Takeshi Hoshida, Naokatsu Yamamoto
Simultaneous Monitoring of Frequency-dependent IQ Imbalances in a Dual-polarization IQ Modulator by using a Single Photodetector: A Phase Retrieval Approach. OFC (2021)
Toshimasa Umezawa, Pham Tien Dat, Atsushi Kanno, Kunihisa Jitsuno, Naokatsu Yamamoto, Tetsuya Kawanishi
30 GHz Radio over FSO System using High Speed 2D-PDA and Its Optical Path Switching Performance. ECOC (2020)
Pham Tien Dat, François Rottenberg, Atsushi Kanno, Keizo Inagaki, Jérôme Louveaux, Naokatsu Yamamoto, Tetsuya Kawanishi
132 Gb/s 3×3 Full MIMO Fiber-Wireless Seamless System in W Band Using WDM/PDM RoF Transmission. ECOC (2020)
Jun Mochizuki, Keizo Inagaki, Guo-Wei Lu, Takahide Sakamoto, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Variable-linewidth light source based on Brownian motion random walk in optical phase. IEICE Electron. Express 17 (16) (2020)
Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, François Rottenberg, Jérôme Louveaux, Naokatsu Yamamoto, Tetsuya Kawanishi
High-Speed Radio-on-Free-Space Optical Mobile Fronthaul System for Ultra-Dense Radio Access Network. OFC (2020)
Paikun Zhu, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Ken-ichi Kitayama
Demonstration of Indoor 5G Fronthaul over Legacy Multimode Fiber Enabled by Real-time Analog-to-digital Compression (ADX). ECOC (2020)
Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto, Tetsuya Kawanishi
On the Sample Complexity of Phase-Retrieval Receiver Based on 2-D Arrayed Photodetectors. OFC (2020)
Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto
Phase-Retrieving Coherent Reception and its Sample Complexity. ECOC (2020)
Yuki Yoshida, Takahito Tanimura, Setsuo Yoshida, Takeshi Hoshida, Naokatsu Yamamoto
Single-Pixel IQ Monitor via Computational Coherent Reception with Widely Linear Phase Retrieval. ECOC (2020)
Yuki Yoshida, Kazunobu Kojima, Masaki Shiraiwa, Atsushi Kanno, Akira Hirano, Yosuke Nagasawa, Masamichi Ippommatsu, Naokatsu Yamamoto, Shigefusa Chichibu, Yoshinari Awaji
Up-to 292-Mbps Deep-UV Communication over a Diffuse-Line-of-Sight Link Based on Silicon Photo Multiplier Array. ECOC (2020)
Daichi Furubayashi, Yuta Kashiwagi, Takanori Sato, Tadashi Kawai, Akira Enokihara, Naokatsu Yamamoto, Tetsuya Kawanishi
Electro-Optic Modulator for Compensation of Third-Order Intermodulation Distortion Using Frequency Chirp Modulation. IEICE Trans. Electron. (11) (2020)
Toshimasa Umezawa, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
High Speed 2D-PDA FSO Receiver for High Optical Alignment Robustness with Space Diversity. OFC (2020)
Ken Kusakata, S. Takamizawa, Toshimasa Umezawa, Naokatsu Yamamoto, Tetsuya Kawanishi
Characterization of 2D high-speed photodetector array device for SDM fiber communication applications. OECC/PSC (2019)
Takamitsu Aiba, Hiroki Yasuda, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Tomohiro Wakabayashi
Evaluation of Bend-Insensitive Plastic and Glass Fiber for 28-GHz RF Transmission. OECC/PSC (2019)
Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, Naokatsu Yamamoto, Tetsuya Kawanishi
Hybrid Optical Wireless-mmWave: Ultra High-Speed Indoor Communications for Beyond 5G. INFOCOM Workshops (2019)
Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Experimental Evaluation of Wavelength-Dependence of Thin-Film LiNbO3 Modulator with an Extinction-Ratio-Tunable Structure. OECC/PSC (2019)
Daichi Furubayashi, Yuta Kashiwagi, Tadashi Kawai, Akira Enokihara, Naokatsu Yamamoto, Tetsuya Kawanishi
Dual-Parallel Mach-Zehnder Modulator Integrated with 180-degree Hybrid for Compensation of Third-Order Intermodulation Distortion. OECC/PSC (2019)
Toshimasa Umezawa, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
1-λ, 16-Parallel Lanes, 50-Gbaud On-Off Keying Multi-Core Fiber Communication Directly Coupled to High Speed 2D-Photodetector Array. OFC (2019)
Takahide Sakamoto, Guo-Wei Lu, Naokatsu Yamamoto, Tetsuya Kawanishi
Simultaneous Compensation of Fiber Nonlinearity and Dispersive Fading Effects by Conjugated-Paired Radio-on-Fiber Transmission with Phase-Shifted Dual-Sideband Downconversion. OECC/PSC (2019)
Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto
Coherent Detection Only by 2-D Photodetector Array: A Discreteness-Aware Phase Retrieval Approach. OFC (2019)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Integrated Fiber-Wireless System in W Band for Ultra-Dense Small-Cell and Moving-Cell Network. GLOBECOM Workshops (2019)
Hiroki Yasuda, Takamitsu Aiba, Satoshi Tanaka, Toshinori Suzuki, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Tomohiro Wakabayashi
Design of Optical Receiver for 28 GHz RF Transmission over Multi-mode Fiber. OECC/PSC (2019)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Nguyen Van Dien, Nguyen Tan Hung, Tetsuya Kawanishi
Full-Duplex Transmission of Nyquist-SCM Signal over a Seamless Bidirectional Fiber-Wireless System in W-Band. OFC (2019)
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
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 (2019)
Guo-Wei Lu, Junichi Hamazaki, Keizo Inagaki, T. Kishimoto, Yuichi Ogawa, Norihiko Sekine, Akifumi Kasamatsu, Naokatsu Yamamoto, S. Yamaguchi, Iwao Hosako
Frequency Up-Conversion of Data-Carrying Optical Vortex for Optical Fibre to Optical Wireless Communications Interface. ECOC (2018)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Radio-over-Fiber-based Seamless Fiber-Wireless Convergence for Small Cell and Linear Cell Networks. OFC (2018)
Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, François Rottenberg, Jérôme Louveaux, Naokatsu Yamamoto, Tetsuya Kawanishi
High-Speed and Handover-Free Communications for High-Speed Trains Using Switched WDM Fiber-Wireless System. OFC (2018)
Atsushi Kanno, Naokatsu Yamamoto
Radio over multimode fiber system for short-reach radio relay links. PSC (2018)
Kazunobu Kojima, Yuki Yoshida, Masaki Shiraiwa, Yoshinari Awaji, Atsushi Kanno, Naokatsu Yamamoto, Shigefusa Chichibu
1.6-Gbps LED-Based Ultraviolet Communication at 280 nm in Direct Sunlight. ECOC (2018)
Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto, Tetsuya Kawanishi
Cell-Less Network for Handover-Free Communications to High-Speed Trains Using a Switched WDM Fiber-Wireless Backhaul. ECOC (2018)
Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Optical Modulator with the Digitized Transfer Function for Multilevel Amplitude Shift Keying. ECOC (2018)
Toshimasa Umezawa, Takahide Sakamoto, Atsushi Kanno, Shinya Nakajima, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
400-Gbps Space Division Multiplexing Optical Wireless Communication Using Two-Dimensional Photodetector Array. ECOC (2018)
Toshimasa Umezawa, Takahide Sakamoto, Atsushi Kanno, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
High-speed Two-dimensional Photodetector Array for 4-WDM 25-Gbaud FSO Communication. OFC (2018)
Tetsuya Kawanishi, Atsushi Kanno, Naokatsu Yamamoto
90-GHz Linear-Cell Systems for Public Transportation Systems. ICTON (2018)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Full-Duplex and Scalable MIMO Fiber-Wireless Seamless System in W-Band for Future Mobile Networks. OFC (2018)
Takahide Sakamoto, Guo-Wei Lu, Naokatsu Yamamoto
Ultrafast demultiplexing of optical time-division multiplexed signals by parallel opto-electronic time-frequency domain sampling. OFC (2017)
Toshimasa Umezawa, Pham Tien Dat, Eiichi Hase, Kenichi Kashima, Atsushi Kanno, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
100 GHz optical-to-radio converter module and its application in radio and power over fiber transmission through multi-core fiber. OFC (2017)
Toshimasa Umezawa, Tadashige Sakamoto, Atsushi Kanno, Ken Kusakata, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
Dense SDM 32-Pixel 2-D Photodetector Array. ECOC (2017)
Kengo Matsumoto, Yuki Yoshida, Akihiro Maruta, Atsushi Kanno, Naokatsu Yamamoto, Ken-ichi Kitayama
On the impact of Tomlinson-Harashima precoding in optical PAM transmissions for intra-DCN communication. OFC (2017)
Tetsuya Kawanishi, Atsushi Kanno, Naokatsu Yamamoto
Concept of sensor over fibres and its application to high resolution millimetre-wave radar. ICTON (2017)
Guo-Wei Lu, Ruben S. Luis, Jose Manuel Delgado Mendinueta, Takahide Sakamoto, Naokatsu Yamamoto
Optical Subcarrier Processing for Nyquist SCM via Coherent Spectrum Overlapping in FWM with Coherent Pump. ECOC (2017)
Yuya Yamaguchi, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Hirochika Nakajima
Linearized LiNbO3 Modulator with Dual Mach-Zehnder Interferometer and Branched Asymmetric CPW Electrode. ECOC (2017)
Tomohiro Kita, Hiroyuki Yamazaki, Naokatsu Yamamoto, Hirohito Yamada
Silicon photonic wavelength-tunable lasers for high-capacity optical communication systems. OFC (2017)
Takahide Sakamoto, Toshimasa Umezawa, Guo-Wei Lu, Kouichi Akahane, Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Spatial Coherent Matched Detection Using High-Speed Two Dimensional Photo-Diode Array for Full-Channel Demultiplexing and Demodulation of Mode-Division-Multiplexed Signals. ECOC (2017)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
Simultaneous transmission of multi-RATs and mobile fronthaul in the MMW bands over an IFoF system. OFC (2017)
Guo-Wei Lu, Xun Guan, Takahide Sakamoto, Naokatsu Yamamoto, Calvin Chun-Kit Chan
Simple Self-Homodyne Detection Scheme for Optical OFDM With Inserted Pilot Subframes and Application in Optical Access Networks. IEEE Access 5 (2017)
Atsushi Kanno, Pham Tien Dat, Naokatsu Yamamoto, Iwao Hosako, Yuki Yoshida, Ken-ichi Kitayama, Tetsuya Kawanishi
All-spectrum fiber-wireless transmission for 5G backhaul and fronthaul links. OFC (2016)
Nikolaos P. Diamantopoulos, Y. Takami, Yuki Yoshida, Akihiro Maruta, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi, Ryu Maruyama, N. Kuwaki, Shinji Matsuo, K. Kitayama
Mitigation of modal crosstalk-induced power fading in mode division multiplexed W-band RoF links. OFC (2016)
Toshimasa Umezawa, Kunihisa Jitsuno, Nobuhiko Shibagaki, Atsushi Kanno, Kouichi Akahane, A. Mstsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi
31-GHz single-carrier, 44.6-Gbps photonic wireless transmission using a wide-bandwidth high power photodetector and a pre-distortion technique. OFC (2016)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
5G transport networks: the need for new technologies and standards. IEEE Commun. Mag. 54 (9) (2016)
Nguyen Van Toan, Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Vo Nguyen Quoc Bao, Tetsuya Kawanishi
Transmission of multiband wireless signals over a seamless IM/DD fiber-MMW system. IEICE Electron. Express 13 (15) (2016)
Tetsuya Kawanishi, Atsushi Kanno, Pham Tien Dat, Naokatsu Yamamoto
Radio-over-fibre based high-speed millimetre-wave backhaul system for high-speed trains. ICTON (2016)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
High-capacity and high-spectral-efficiency seamless fiber-wireless system for high-speed trains. OFC (2016)
Yuki Yoshida, Y. Takami, S. Inudo, Ken-ichi Kitayama, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
On the channel capacity of polarization-multiplexed coherent radio-over-fiber transmissions at millimeter-wave bands. ICC (2016)
Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Tetsuya Kawanishi
Monolithically integrated quantum-dot optical modulator with semiconductor optical amplifier for 1.3µm waveband error-free 10-km-long transmission. OFC (2015)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
5G transport and broadband access networks: The need for new technologies and standards. Kaleidoscope (2015)
Pham Tien Dat, Atsushi Kanno, Naokatsu Yamamoto, Tetsuya Kawanishi
WDM RoF-MMW and linearly located distributed antenna system for future high-speed railway communications. IEEE Commun. Mag. 53 (10) (2015)
Tetsuya Kawanishi, Atsushi Kanno, Pham Tien Dat, Atsushi Matsumoto, Naokatsu Yamamoto
Advanced photonics for wired and wireless seamless networks. ICTON (2015)
Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Tetsuya Kawanishi
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. (8) (2015)
Danshi Wang, Min Zhang, Guo-Wei Lu, Jun Qin, Takahide Sakamoto, Kouichi Akahane, Naokatsu Yamamoto, Tetsuya Kawanishi, Ze Li, Yue Cui
Multifunctional all-optical signal processing scheme for simultaneous multichannel WDM multicast and XOR logic gates based on FWM in QD-SOA. OFC (2015)
Toshimasa Umezawa, Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Tetsuya Kawanishi
Bias free operational 107-Gbaud ultra-fast photodetector. ECOC (2015)
Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto, Tetsuya Kawanishi
High-spectral efficiency millimeter wave-over-fiber system for future mobile fronthaul. ECOC (2015)
Toshimasa Umezawa, Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Keizo Inagaki, Tetsuya Kawanishi
Zero-bias operational ultra-broadband UTC-PD above 110 GHz for high symbol rate PD-array in high-density photonic integration. OFC (2015)
Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Toshimasa Umezawa, Tetsuya Kawanishi
Quantum dot two-mode laser at 1.55 μm-band for 90GHz radio over fiber applications. ECOC (2014)
Tetsuya Kawanishi, Naokatsu Yamamoto, Toshimasa Umezawa, Kouichi Akahane, Atsushi Kanno, Pham Tien Dat
Electro-optic devices for imaging systems using radio-over-fibre. ICTON (2014)
Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi, Hideyuki Sotobayashi, Yuki Yoshioka, Hiroshi Takai
10-GHz High-Repetition Optical Short Pulse Generation from Wavelength-Tunable Quantum Dot Optical Frequency Comb Laser. IEICE Trans. Electron. (2) (2013)
Makoto Naruse, Ferdinand Peper, Kouichi Akahane, Naokatsu Yamamoto, Tadashi Kawazoe, Naoya Tate, Motoichi Ohtsu
Skew Dependence of Nanophotonic Devices Based on Optical Near-Field Interactions. ACM J. Emerg. Technol. Comput. Syst. 8 (1) (2012)
Tak-Keung Liang, Kouichi Akahane, Naokatsu Yamamoto, Luis Romeu Nunes, Tetsuya Kawanishi, Masahiro Tsuchiya
Novel Functionality and Material for Si-Photonics: Two-Photon Absorption Switching and Antimonide Hetero-Genius Epitaxy. IEICE Trans. Electron. (2) (2007)