Hiroshi Yamazaki

115 papers A 1C 12Journal 33Unranked 69
YearRankTypeTitle / Venue / Authors
2025 — conf
27-THz ISRS-Supported Transmission Over 1040 km in S+C+L+U and Extreme Longer-Wavelength Band.
OFC
Shimpei Shimizu, Kosuke Kimura, Akira Kawai, Masashi Abe, Shunya Konno, Takushi Kazama, Masanori Nakamura, Fukutaro Hamaoka, Koji Enbutsu, Takahiro Kashiwazaki, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Takeshi Umeki, Takayuki Kobayashi, Yutaka Miyamoto
2025 — conf
Cross-λ Phase Diversity: A Simple Chromatic-Dispersion-Tolerant Direct-Detection Scheme.
OFC
Hiroshi Yamazaki, Masanori Nakamura, Josuke Ozaki, Yoshihiro Ogiso, Takayuki Kobayashi, Toshikazu Hashimoto, Yutaka Miyamoto
2025 — conf
Full C-band 3317-km 12-Coupled-Core-Fiber Transmission with 266.2-Tbps Capacity Using Field-Installed Fiber-Optic Cable.
OFC
Kohki Shibahara, Akira Kawai, Megumi Hoshi, Masanori Nakamura, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Koichi Maeda, Shigehiro Takasaka, Ryo Nagase, Yutaka Miyamoto
2025 — conf
SDM Transmission Technologies Enabling Over-10-Tb/S SDM-MIMO Signals.
ECOC
Akira Kawai, Kohki Shibahara, Masanori Nakamura, Megumi Hoshi, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Koichi Maeda, Shigehiro Takasaka, Ryo Nagase, Yutaka Miyamoto
2025 — conf
Uncooled O-band InP MZ Modulator PIC for 3.2 Tb/s (400 Gb/s/lane) Pluggable Transceiver.
OFC
Yoshihiro Ogiso, Josuke Ozaki, Kenta Sugiura, Hiroshi Yamazaki, Hiroki Taniguchi, Shigeru Kanazawa, Masanori Nakamura, Yutaka Miyamoto, Mitsuteru Ishikawa, Akimasa Kaneko
2025 — conf
Vertically Coded Probabilistic Shaping Enabling MDL-Tolerant Over-14.5- Tb/S/λ Spatial MIMO Transmission.
ECOC
Akira Kawai, Kohki Shibahara, Masanori Nakamura, Megumi Hoshi, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Ryo Nagase, Yutaka Miyamoto
2024 — conf
AMUX-based Bandwidth Tripler with Time-interleaved Nonlinear Digital Pre-distortion Enabling 216-GBd PS-PAM8 Signal.
OFC
Masanori Nakamura, Munehiko Nagatani, Hiroshi Yamazaki, Teruo Jyo, Miwa Mutoh, Yuta Shiratori, Hitoshi Wakita, Hiroki Taniguchi, Shuto Yamamoto, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2024 J jnl
Ascoli-Arzelà Theorem (Metric Space Version).
Formaliz. Math.
Keiichi Miyajima, Hiroshi Yamazaki
2024 — conf
C+L+U-Band 14.85-THz WDM Transmission Over 80-km-Span G.654.E Fiber with Hybrid PPLN-OPA/EDFA U-Band Lumped Repeater Using 144-Gbaud PCS-QAM Signals.
OFC
Takayuki Kobayashi, Shimpei Shimizu, Akira Kawai, Masanori Nakamura, Masashi Abe, Takushi Kazama, Takeshi Umeki, Munehiko Nagatani, Kosuke Kimura, Hitoshi Wakita, Yuta Shiratori, Fukutaro Hamaoka, Hiroshi Yamazaki, Hiroyuki Takahashi, Yutaka Miyamoto
2024 — conf
Net-1.8 Tbps/λ Transmission Enabled by C+L-band InP-based Coherent Driver Modulator.
OFC
Josuke Ozaki, Yoshihiro Ogiso, Hiroshi Yamazaki, Masanori Nakamura, Kenta Sugiura, Kazuya Nagashima, Yasuaki Hashizume, Nobuhiro Nunoya, Yutaka Miyamoto, Mitsuteru Ishikawa
2023 — conf
103-ch. 132-Gbaud PS-QAM Signal Inline-amplified Transmission with 14.1-THz Bandwidth Lumped PPLN-based OPAs over 400-km G.652.D SMF.
OFC
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira Kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto
2022 — conf
1.0-Tb/s/λ 3840-km and 1.2-Tb/s/λ 1280-km Transmissions with 168-GBaud PCS-QAM Signals Based on AMUX Integrated Frontend Module.
OFC
Masanori Nakamura, Takeo Sasai, Kohei Saito, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Yoshiaki Kisaka
2022 — conf
110-GHz-Bandwidth InP-HBT AMUX/ADEMUX Circuits for Beyond-1-Tb/s/ch Digital Coherent Optical Transceivers.
CICC
Munehiko Nagatani, Hitoshi Wakita, Teruo Jyo, Tsutomu Takeya, Hiroshi Yamazaki, Yoshihiro Ogiso, Miwa Mutoh, Yuta Shiratori, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2022 — conf
50-Tb/s (1 Tb/s × 50 ch) WDM Transmission on Two 6.25-THz Bands Using Hybrid Inline Repeater of PPLN-based OPAs and Incoherent-forward-pumped DRA.
OFC
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, Junji Yoshida, Shigehiro Takasaka, Yasuto Tatamida, Hiroto Kawakami, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Kei Watanabe, Takashi Saida, Yutaka Miyamoto
2022 — conf
CRLock: A SAT and FALL Attacks Resistant Logic Locking Method at Register Transfer Level.
DFT
Masayoshi Yoshimura, Atsuya Tsujikawa, Hiroshi Yamazaki, Toshinori Hosokawa
2022 J jnl
Compactness of Neural Networks.
Formaliz. Math.
Keiichi Miyajima, Hiroshi Yamazaki
2022 — conf
Detection of Corrosion Progress using deep learning and image processing.
SCIS/ISIS
Shoto Ozaki, Yasutoshi Nomura, Hiroshi Yamazaki, Yukihisa Yamato
2022 — conf
Experimental Investigation of Influence of SOA-Induced Nonlinear Distortion on High-Symbol-Rate 168-GBaud Signal for Achieving Ultra-Broadband Optical Frontend.
OFC
Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Yoshihiro Ogiso, Yoshiaki Kisaka
2022 J jnl
Sensitivity Enhancement of a Semicircular Curved Hetero-Core Optical Fiber Accelerometer With Low Cross-Axis Sensitivity.
IEEE Trans. Instrum. Meas.
Miyuki Kadokura, Hiroshi Yamazaki, Tokio Kasai, Kazuhiro Watanabe, Michiko Nishiyama
2021 J jnl
Ascoli-Arzelà TheoremThis work was supported by JSPS KAKENHI Grant Numbers JP17K00182.
Formaliz. Math.
Hiroshi Yamazaki, Keiichi Miyajima, Yasunari Shidama
2021 J jnl
Functional Space Consisted by Continuous Functions on Topological Space.
Formaliz. Math.
Hiroshi Yamazaki, Keiichi Miyajima, Yasunari Shidama
2021 — conf
High Symbol-Rate Signal Optimization for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate.
ECOC
Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Yutaka Miyamoto
2020 — conf
A 0.57-mW/Gbps, 2ch × 53-Gbps Low-Power PAM4 Transmitter Front-End Flip-Chip-Bonded 1.3-µm LD-Array-on-Si.
OFC
Toshiki Kishi, Munehiko Nagatani, Shigeru Kanazawa, Kota Shikama, Takuro Fujii, Hidetaka Nishi, Hiroshi Yamazaki, Norio Sato, Hideyuki Nosaka, Shinji Matsuo
2020 J jnl
A Beyond-1-Tb/s Coherent Optical Transmitter Front-End Based on 110-GHz-Bandwidth 2: 1 Analog Multiplexer in 250-nm InP DHBT.
IEEE J. Solid State Circuits
Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Yoshihiro Ogiso, Miwa Mutoh, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto, Hideyuki Nosaka
2020 C conf
A Low Capture Power Oriented X-Identification-Filling Co-Optimization Method.
IOLTS
Toshinori Hosokawa, Kenichiro Misawa, Hiroshi Yamazaki, Masayoshi Yoshimura, Masayuki Arai
2020 C conf
A Test Sensitization State Compaction Method on Controller Augmentation.
IOLTS
Yuki Ikegaya, Toshinori Hosokawa, Yuta Ishiyama, Hiroshi Yamazaki
2020 J jnl
Data Converter Interleaving: Current Trends and Future Perspectives.
IEEE Commun. Mag.
Christian Schmidt, Hiroshi Yamazaki, Gregory Raybon, Peter Schvan, Erwan Pincemin, S. J. Ben Yoo, Daniel J. Blumenthal, Takayuki Mizuno, Robert Elschner
2020 — conf
Entropy and Symbol-Rate Optimized 120 GBaud PS-36QAM Signal Transmission over 2400 km at Net-Rate of 800 Gbps/λ.
OFC
Masanori Nakamura, Takayuki Kobayashi, Hiroshi Yamazaki, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Hideyuki Nosaka, Yutaka Miyamoto
2020 — conf
Frequency characteristics of hetero-core fiber accelerometer with two orthogonal vibrational modes of an arch shape beam structure.
IEEE SENSORS
Miyuki Kadokura, Hiroshi Yamazaki, Michiko Nishiyama, Kazuhiro Watanabe
2020 J jnl
Functional Sequence in Norm Space.
Formaliz. Math.
Hiroshi Yamazaki
2020 J jnl
Highly Reliable Silica-LiNbO
IEICE Trans. Electron.
Atsushi Aratake, Ken Tsuzuki, Motohaya Ishii, Takashi Saida, Takashi Goh, Yoshiyuki Doi, Hiroshi Yamazaki, Takao Fukumitsu, Takashi Yamada, Shinji Mino
2020 J jnl
Interhemispheric auditory connectivity requires normal access to sound in both ears during development.
NeuroImage
Daniel A. Smieja, Benjamin T. Dunkley, Blake C. Papsin, Vijayalakshmi Easwar, Hiroshi Yamazaki, Michael Deighton, Karen A. Gordon
2020 — conf
Long-Haul WDM Transmission with Over-1-Tb/s Channels using Electrically Synthesized High-Symbol-Rate Signals.
OFC
Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
2020 — conf
Net 321.24-Gb/s IMDD Transmission Based on a >100-GHz Bandwidth Directly-Modulated Laser.
OFC
Nikolaos-Panteleimon Diamantopoulos, Hiroshi Yamazaki, Suguru Yamaoka, Munehiko Nagatani, Hidetaka Nishi, Hiromasa Tanobe, Ryo Nakao, Takuro Fujii, Koji Takeda, Takaaki Kakitsuka, Hitoshi Wakita, Minoru Ida, Hideyuki Nosaka, Fumio Koyama, Yutaka Miyamoto, Shinji Matsuo
2020 — conf
Sensitivity and resonance frequency evaluations for a cantilever type hetero-core fiber optic accelerometer.
IEEE SENSORS
Akihito Matsuo, Miyuki Kadokura, Hiroshi Yamazaki, Michiko Nishiyama, Kazuhiro Watanabe
2020 — conf
Transmitter Bandwidth Extension using Optical Time-Interleaving Modulator and Digital Spectral Weaver.
OFC
Hiroshi Yamazaki, Masanori Nakamura, Takashi Goh, Toshikazu Hashimoto, Yutaka Miyamoto
2020 — conf
Ultra-wideband Optical Receiver Using Electrical Spectrum Decomposition Technique.
ECOC
Fukutaro Hamaoka, Masahito Nakamura, Munehiko Nagatani, Hitoshi Wakita, Takayuki Kobayashi, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
2020 — conf
Wideband Inline-Amplified WDM Transmission using PPLN-Based OPA with Over-10-THz Bandwidth.
OFC
Takayuki Kobayashi, Shimpei Shimizu, Masahito Nakamura, Takeshi Umeki, Takushi Kazama, Ryoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Takayuki Mizuno, Hideyuki Nosaka, Yutaka Miyamoto
2019 — conf
1.04 Tbps/Carrier Probabilistically Shaped PDM-64QAM WDM Transmission Over 240 km Based on Electrical Spectrum Synthesis.
OFC
Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Takayuki Kobayashi, Asuka Matsushita, Seiji Okamoto, Hitoshi Wakita, Hideyuki Nosaka, Yutaka Miyamoto
2019 — conf
120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler.
OFC
Fukutaro Hamaoka, Masanori Nakamura, Munehiko Nagatani, Takayuki Kobayashi, Asuka Matsushita, Hitoshi Wakita, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
2019 — conf
192-Gbaud Signal Generation using Ultra-Broadband Optical Frontend Module Integrated with Bandwidth Multiplexing Function.
OFC
Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Hiroshi Yamazaki, Takayuki Kobayashi, Minoru Ida, Hideyuki Nosaka, Yutaka Miyamoto
2019 — conf
35-Tb/s C-Band Transmission Over 800 km Employing 1-Tb/s PS-64QAM Signals Enhanced by Complex 8 × 2 MIMO Equalizer.
OFC
Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Takeshi Umeki, Hideyuki Nosaka, Yutaka Miyamoto
2019 — conf
A 110-GHz-Bandwidth 2: 1 AMUX-Driver using 250-nm InP DHBTs for Beyond-1-Tb/s/carrier Optical Transmission Systems.
BCICTS
Munehiko Nagatani, Yutaka Miyamoto, Hideyuki Nosaka, Hitoshi Wakita, Yoshihiro Ogiso, Hiroshi Yamazaki, Miwa Mutoh, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi
2019 C conf
A Controller Augmentation Method to Improve Transition Fault Coverage for RTL Data-Paths.
IOLTS
Yuki Takeuchi, Toshinori Hosokawa, Hiroshi Yamazaki, Masayoshi Yoshimura
2019 C conf
A Design for Testability Method for k-Cycle Capture Test Generation.
IOLTS
Yuta Ishiyama, Toshinori Hosokawa, Hiroshi Yamazaki
2019 — conf
A Low Capture Power Oriented X-filling Method Using Partial MaxSAT Iteratively.
DFT
Toshinori Hosokawa, Hiroshi Yamazaki, Kenichiro Misawa, Masayoshi Yoshimura, Yuki Hirama, Masavuki Arai
2019 J jnl
A Simple Example for Linear Partial Differential Equations and Its Solution Using the Method of Separation of Variables.
Formaliz. Math.
Sora Otsuki, Pauline N. Kawamoto, Hiroshi Yamazaki
2019 — conf
A State Assignment Method to Improve Transition Fault Coverage for Controllers.
DFT
Masayoshi Yoshimura, Yuki Takeuchi, Hiroshi Yamazaki, Toshinori Hosokawa
2019 — conf
Digital-Preprocessed Analog-Multiplexed DAC for High-Speed Optical Communications.
OECC/PSC
Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Yoshihiro Ogiso, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto
2019 — conf
Fiber Optic Folding Angle Sensors for Origami-Inspired Devices.
GCCE
Hiroshi Yamazaki, Kazuhiro Watanabe
2019 J jnl
High-Frequency and Integrated Design Based on Flip-Chip Interconnection Technique (Hi-FIT) for High-Speed (>100 Gbaud) Optical Devices.
IEICE Trans. Electron.
Shigeru Kanazawa, Hiroshi Yamazaki, Yuta Ueda, Wataru Kobayashi, Yoshihiro Ogiso, Johsuke Ozaki, Takahiko Shindo, Satoshi Tsunashima, Hiromasa Tanobe, Atsushi Araratake
2019 — conf
Ultra-High Bandwidth InP IQ Modulator for Beyond 100-GBd Transmission.
OFC
Yoshihiro Ogiso, Josuke Ozaki, Yuta Ueda, Hitoshi Wakita, Munehiko Nagatani, Hiroshi Yamazaki, Masanori Nakamura, Takayuki Kobayashi, Shigeru Kanazawa, Takuro Fujii, Yasuaki Hashizume, Hiromasa Tanobe, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Mitsuteru Ishikawa
2018 — conf
96-Gbaud PDM-8QAM Single Channel Transmission over 9, 600 km by Nonlinear Tolerance Enhancement using PPLN-based Optical Phase Conjugation.
OFC
Takayuki Kobayashi, Takeshi Umeki, Ryoichi Kasahara, Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Hirokazu Takenouchi, Yutaka Miyamoto
2018 C conf
A Capture Safe Static Test Compaction Method Based on Don't Cares.
IOLTS
Sayuri Ochi, Hiroshi Yamazaki, Toshinori Hosokawa, Masayoshi Yoshimura
2018 C conf
A Sequentially Untestable Fault Identification Method Based on n-Bit State Cube Justification.
IOLTS
Toshinori Hosokawa, Morito Niseki, Masayoshi Yoshimura, Hiroshi Yamazaki, Masayuki Arai, Hiroyuki Yotsuyanagi, Masaki Hashizume
2018 C conf
A Test Register Assignment Method Based on Controller Augmentation to Reduce the Number of Test Patterns.
IOLTS
Toshinori Hosokawa, Hiroshi Yamazaki, Shun Takeda, Masayoshi Yoshimura
2018 — conf
Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network.
OFC
Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Takayuki Kobayashi, Yoshiaki Kisaka, Yutaka Miyamoto
2018 — conf
Novel Optimizing Technique for Linear Optical Mach-Zehnder Modulator and its Experimental Verification Using PAM-8 Signal.
ECOC
Hiroto Kawakami, Hiroshi Yamazaki, Yutaka Miyamoto
2018 J jnl
Pendulum-Type Hetero-Core Fiber Optic Accelerometer for Low-Frequency Vibration Monitoring.
Sensors
Hiroshi Yamazaki, Ichiro Kurose, Michiko Nishiyama, Kazuhiro Watanabe
2018 — conf
Transmission of 400-Gbps Discrete Multi-Tone Signal Using >100-GHz-Bandwidth Analog Multiplexer and InP Mach-Zehnder Modulator.
ECOC
Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Yoshihiro Ogiso, Masanori Nakamura, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto
2018 — conf
Ultra-High Bandwidth InP IQ Modulator co-assembled with Driver IC for Beyond 100-GBd CDM.
OFC
Yoshihiro Ogiso, Hitoshi Wakita, Munehiko Nagatani, Hiroshi Yamazaki, Masanori Nakamura, Takayuki Kobayashi, Johsuke Ozaki, Yuta Ueda, S. Nakano, Shigeru Kanazawa, Takuro Fujii, Yasuaki Hashizume, Hiromasa Tanobe, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Nobuhiro Kikuchi
2018 — conf
Ultra-Low Power Dissipation (<2.4 W) Coherent InP Modulator Module with CMOS Driver IC.
ECOC
Josuke Ozaki, Shinsuke Nakano, Yoshihiro Ogiso, Shigeru Kanazawa, Yuta Ueda, Yasuaki Hashizume, Hiroshi Yamazaki, Hiromasa Tanobe, Eiichi Yamada, Nobuhiro Nunoya, Nobuhiro Kikuchi
2017 — conf
1-Pb/s (32 SDM/46 WDM/768 Gb/s) C-band dense SDM transmission over 205.6-km of single-mode heterogeneous multi-core fiber using 96-Gbaud PDM-16QAM channels.
OFC
Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Kohki Shibahara, Takayuki Mizuno, Akihide Sano, H. Kawakami, Akira Isoda, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto, Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, Md. Nooruzzaman, Toshio Morioka
2017 — conf
120-GBaud coded 8 dimensional 16QAM WDM transmission using low-complexity iterative decoding based on bit-wise log likelihood ratio.
OFC
Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Akihide Sano, Akira Hirano, Yutaka Miyamoto
2017 — conf
A 180-mW Linear MZM Driver in CMOS for Single-Carrier 400-Gb/s Coherent Optical Transmitter.
ECOC
Shinsuke Nakano, Munehiko Nagatani, Kenji Tanaka, Yoshihiro Ogiso, Josuke Ozaki, Hiroshi Yamazaki, Hideyuki Nosaka
2017 C conf
A Diagnostic Fault Simulation Method for a Single Universal Logical Fault Model.
PRDC
Toshinori Hosokawa, Hideyuki Takano, Hiroshi Yamazaki, Koji Yamazaki
2017 J jnl
A Don't Care Filling Method for Low Capture Power based on Correlation of FF Transitions Using SAT.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayoshi Yoshimura, Yoshiyasu Takahashi, Hiroshi Yamazaki, Toshinori Hosokawa
2017 — conf
A dynamic test compaction method on low power test generation based on capture safe test vectors.
DFT
Toshinori Hosokawa, Atsushi Hirai, Hiroshi Yamazaki, Masayuki Arai
2017 C conf
Controller augmentation and test point insertion at RTL for concurrent operational unit testing.
IOLTS
Toshinori Hosokawa, Shun Takeda, Hiroshi Yamazaki, Masayoshi Yoshimura
2017 — conf
Experimental Demonstration of Simplified Adaptive Equalizer for Fractionally Sampled 120-GBaud Signal.
ECOC
Fukutaro Hamaoka, Seiji Okamoto, Masanori Nakamura, Asuka Matsushita, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshiaki Kisaka, Akira Hirano, Yutaka Miyamoto
2017 — conf
High Baud Rate Signal Transmission with Coded Multi-dimensional Modulation.
ECOC
Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Akira Hirano, Yutaka Miyamoto
2017 — conf
Ultra-Wideband Digital-to-Analog Conversion Technologies for Tbit/s channel transmission.
ECOC
Hiroshi Yamazaki, Munehiko Nagatani, Fukutaro Hamaoka, Shigeru Kanazawa, Hideyuki Nosaka, Toshikazu Hashimoto, Yutaka Miyamoto
2017 — conf
Ultra-broadband EA-DFB laser module for 200-Gbit/s PAM4 transmitter.
OFC
Hiroshi Yamazaki, Shigeru Kanazawa, Yasuhiko Nakanishi, Yuta Ueda, Wataru Kobayashi, Yoshifumi Muramoto, Hiroyuki Ishii, Hiroaki Sanjoh
2016 — conf
56-Gbaud 4-PAM (112-Gbit/s) operation of flip-chip interconnection lumped-electrode EADFB laser module for equalizer-free transmission.
OFC
Shigeru Kanazawa, Takeshi Fujisawa, Kiyoto Takahata, Yasuhiko Nakanishi, Hiroshi Yamazaki, Yuta Ueda, Wataru Kobayashi, Yoshifumi Muramoto, Hiroyuki Ishii, Hiroaki Sanjoh
2016 J jnl
A 60mV-3V Wide-Input-Voltage-Range Boost Converter with Amplitude-Regulated Oscillator for Energy Harvesting.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroyuki Nakamoto, Hong Gao, Hiroshi Yamazaki
2016 J jnl
Conservation Rules of Direct Sum Decomposition of Groups.
Formaliz. Math.
Kazuhisa Nakasho, Hiroshi Yamazaki, Hiroyuki Okazaki, Yasunari Shidama
2016 J jnl
Integrated Photonic Devices and Applications for 100GbE-and-Beyond Datacom.
IEICE Trans. Electron.
Yoshiyuki Doi, Takaharu Ohyama, Toshihide Yoshimatsu, Tetsuichiro Ohno, Yasuhiko Nakanishi, Shunichi Soma, Hiroshi Yamazaki, Manabu Oguma, Toshikazu Hashimoto, Hiroaki Sanjoh
2016 — conf
Transmission of 214-Gbit/s 4-PAM signal using an ultra-broadband lumped-electrode EADFB laser module.
OFC
Shigeru Kanazawa, Hiroshi Yamazaki, Yasuhiko Nakanishi, Takeshi Fujisawa, Kiyoto Takahata, Yuta Ueda, Wataru Kobayashi, Yoshifumi Muramoto, Hiroyuki Ishii, Hiroaki Sanjoh
2015 — conf
160-Gbps Nyquist PAM4 transmitter using a digital-preprocessed analog-multiplexed DAC.
ECOC
Hiroshi Yamazaki, Munehiko Nagatani, Shigeru Kanazawa, Hideyuki Nosaka, Toshikazu Hashimoto, Akihide Sano, Yutaka Miyamoto
2015 — conf
A Don't Care Filling Method to Reduce Capture Power Based on Correlation of FF Transitions.
ATS
Masayoshi Yoshimura, Yoshiyasu Takahashi, Hiroshi Yamazaki, Toshinori Hosokawa
2015 — conf
Bidirectional 400-Gb/s transmission by lOOGbE optical sub-assemblies and a cyclic arrayed waveguide grating.
OFC
Yoshiyuki Doi, Takaharu Ohyama, Yasuhiko Nakanishi, Toshihide Yoshimatsu, Shunichi Soma, Hiroshi Yamazaki, Manabu Oguma
2015 — conf
DMA-driven control method for low power sensor node.
WiSNet
Takashi Enami, Kentaro Kawakami, Hiroshi Yamazaki
2015 J jnl
Definition and Properties of Direct Sum Decomposition of Groups1.
Formaliz. Math.
Kazuhisa Nakasho, Hiroshi Yamazaki, Hiroyuki Okazaki, Yasunari Shidama
2015 J jnl
Equivalent Expressions of Direct Sum Decomposition of Groups1.
Formaliz. Math.
Kazuhisa Nakasho, Hiroyuki Okazaki, Hiroshi Yamazaki, Yasunari Shidama
2015 — conf
Generation of 448-Gbps OTDM-PDM-16QAM signal with an integrated modulator using orthogonal CSRZ pulses.
OFC
Hiroshi Yamazaki, Takashi Goh, Toshikazu Hashimoto, Akihide Sano, Yutaka Miyamoto
2015 — conf
High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4.
OFC
Masahiro Nada, Shigeru Kanazawa, Hiroshi Yamazaki, Yasuhiko Nakanishi, Wataru Kobayashi, Yoshiyuki Doi, Takaharu Ohyama, Tetsuichiro Ohno, Kiyoto Takahata, Toshikazu Hashimoto, Hideaki Matsuzaki
2015 — conf
Optical Nyquist-filtering multi/demultiplexer with PLC for 1-Tb/s class super-channel transceiver.
OFC
Takashi Goh, Mikitaka Itoh, Hiroshi Yamazaki, Takashi Saida, Toshikazu Hashimoto
2014 — conf
3.2 A 1.95GHz fully integrated envelope elimination and restoration CMOS power amplifier with envelope/phase generator and timing aligner for WCDMA and LTE.
ISSCC
Kazuaki Oishi, Eiji Yoshida, Yasufumi Sakai, Hideki Takauchi, Yoichi Kawano, Noriaki Shirai, Hideki Kano, Masahiro Kudo, Tomotoshi Murakami, Tetsuro Tamura, Seitaro Kawai, Shinji Yamaura, Kazuo Suto, Hiroshi Yamazaki, Toshihiko Mori
2014 — conf
400-G coherent receiver using silica-based heterogeneously-integrated PLC with newly developed waveplate type PBS.
ECOC
Yu Kurata, Yasuaki Hashizume, Shinichi Aozasa, Mikitaka Itoh, Toshikazu Hashimoto, Hiromasa Tanobe, Yasuhiko Nakanishi, Eiji Yoshida, Hiroyuki Fukuyama, Hiroshi Yamazaki, Takashi Goh, Haruki Yokoyama, Yoshifumi Muramoto
2014 J jnl
A 1.95 GHz Fully Integrated Envelope Elimination and Restoration CMOS Power Amplifier Using Timing Alignment Technique for WCDMA and LTE.
IEEE J. Solid State Circuits
Kazuaki Oishi, Eiji Yoshida, Yasufumi Sakai, Hideki Takauchi, Yoichi Kawano, Noriaki Shirai, Hideki Kano, Masahiro Kudo, Tomotoshi Murakami, Tetsuro Tamura, Shigeaki Kawai, Kazuo Suto, Hiroshi Yamazaki, Toshihiko Mori
2014 — conf
Linear optical modulator.
OFC
Akimasa Kaneko, Hiroshi Yamazaki, Yutaka Miyamoto
2014 — conf
Simple three-dimensional simplex modulator.
OFC
Hiroshi Yamazaki, Yasuaki Hashizume, Takashi Saida
2013 J jnl
A Test Compaction Oriented Don't Care Identification Method Based on X-bit Distribution.
IEICE Trans. Inf. Syst.
Hiroshi Yamazaki, Motohiro Wakazono, Toshinori Hosokawa, Masayoshi Yoshimura
2013 C conf
A don't care identification method for test compaction.
DDECS
Hiroshi Yamazaki, Motohiro Wakazono, Toshinori Hosokawa, Masayoshi Yoshimura
2013 J jnl
Isomorphisms of Direct Products of Cyclic Groups of Prime Power Order.
Formaliz. Math.
Hiroshi Yamazaki, Hiroyuki Okazaki, Kazuhisa Nakasho, Yasunari Shidama
2013 J jnl
Isomorphisms of Direct Products of Finite Commutative Groups.
Formaliz. Math.
Hiroyuki Okazaki, Hiroshi Yamazaki, Yasunari Shidama
2013 — conf
Linear optical IQ modulator for high-order multilevel coherent transmission.
OFC/NFOEC
Hiroshi Yamazaki, Hiroshi Takahashi, Takashi Goh, Yasuaki Hashizume, Shinji Mino, Yutaka Miyamoto
2013 — conf
Transmitter synthesis for advanced modulation formats utilizing silica-LiNbO3 hybrid integration technology.
OFC/NFOEC
Shinji Mino, Hiroshi Yamazaki, Takashi Goh, Takashi Saida
2012 J jnl
Morphology for Image Processing. Part I.
Formaliz. Math.
Hiroshi Yamazaki, Czeslaw Bylinski, Katsumi Wasaki
2011 J jnl
Functional integrated modulators and receivers utilizing PLC hybrid integration technology for coherent transmission.
IEICE Electron. Express
Shinji Mino, Hiroshi Yamazaki, Takashi Goh, Ken Tsuzuki, Takashi Saida, Takaharu Ohyama, Ikuo Ogawa, Koichi Murata
2011 J jnl
Spectrally Efficient Frequency-Domain Optical CDM Employing QAM Based on Electrical Spatial Code Spreading.
IEICE Trans. Commun.
Shin Kaneko, Sang-Yuep Kim, Noriki Miki, Hideaki Kimura, Hisaya Hadama, Koichi Takiguchi, Hiroshi Yamazaki, Takashi Yamada, Yoshiyuki Doi
2010 — conf
A 0.3mm
ISSCC
M. Kondou, A. Matsuda, Hiroshi Yamazaki, O. Kobayashi
2010 J jnl
Strategic investment timing under asymmetric access charge regulation in telecommunications.
Eur. J. Oper. Res.
Takashi Shibata, Hiroshi Yamazaki
2009 J jnl
Complex Function Differentiability.
Formaliz. Math.
Chanapat Pacharapokin, Hiroshi Yamazaki, Yasunari Shidama, Yatsuka Nakamura
2009 J jnl
Complex Integral.
Formaliz. Math.
Masahiko Yamazaki, Hiroshi Yamazaki, Katsumi Wasaki, Yasunari Shidama
2009 C conf
How Much Well Does Organizational Knowledge Transfer Work with Domain and Rule Ontologies?
KSEM
Keido Kobayashi, Akiko Yoshioka, Masao Okabe, Masahiko Yanagisawa, Hiroshi Yamazaki, Takahira Yamaguchi
2009 J jnl
The Cauchy-Riemann Differential Equations of Complex Functions.
Formaliz. Math.
Hiroshi Yamazaki, Yasunari Shidama, Chanapat Pacharapokin, Yatsuka Nakamura
2008 J jnl
Extended Riemann Integral of Functions of Real Variable and One-sided Laplace Transform.
Formaliz. Math.
Masahiko Yamazaki, Hiroshi Yamazaki, Yasunari Shidama
2008 — conf
Organizational Knowledge Transfer of Intelligence Skill Using Ontologies and a Rule-Based System.
PAKM
Masao Okabe, Masahiko Yanagisawa, Hiroshi Yamazaki, Keido Kobayashi, Akiko Yoshioka, Takahira Yamaguchi
2006 — conf
An 18mW 90 to 770MHz synthesizer with agile auto-tuning for digital TV-tuners.
ISSCC
Masazumi Marutani, Hideaki Anbutsu, Masafumi Kondo, Noriaki Shirai, Hiroshi Yamazaki, Yuu Watanabe
1999 J jnl
A Low-Loss Built-In Current Sensor.
J. Electron. Test.
Yukiya Miura, Hiroshi Yamazaki
1999 J jnl
An accurate center frequency tuning scheme for 450-KHz CMOS G
IEEE J. Solid State Circuits
Hiroshi Yamazaki, Kazuaki Oishi, Kunihiko Gotoh
1996 — conf
An Optimizing Fuzzy Logic with Genetic Algorithms.
International Conference on Evolutionary Computation
Akihiko Uchibori, Hiroshi Yamazaki, Yasunari Shidama, Hiroo Yamaura
1994 C conf
A mapping system from Object-Z to C++.
APSEC
Masakazu Fukagawa, Teruo Hikita, Hiroshi Yamazaki
1988 A conf
Multi-axis Force Sensor Using Piezoresistors and a Plate-Like Structure.
IROS
Hirotoshi Eguchi, Hiroshi Yamazaki, Jun-ichi Takahashi, Daisuke Kosaka, Shoji Matsumoto, Takashi Akahori, Eiichi Ohta, Yuhji Kimura, Kouji Izumi