Hiroshi Yamazaki

ORCID

Publication Activity (10 Years)

Years Active: 1988-2024
Publications (10 Years): 71

Top Venues

Publications

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
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 (2024)
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
AMUX-based Bandwidth Tripler with Time-interleaved Nonlinear Digital Pre-distortion Enabling 216-GBd PS-PAM8 Signal. OFC (2024)
Josuke Ozaki, Yoshihiro Ogiso, Hiroshi Yamazaki, Masanori Nakamura, Kenta Sugiura, Kazuya Nagashima, Yasuaki Hashizume, Nobuhiro Nunoya, Yutaka Miyamoto, Mitsuteru Ishikawa
Net-1.8 Tbps/λ Transmission Enabled by C+L-band InP-based Coherent Driver Modulator. OFC (2024)
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira Kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto
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 (2023)
Masanori Nakamura, Takeo Sasai, K. Saito, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Yoshiaki Kisaka, Y. Miyamoto
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 (2022)
Shoto Ozaki, Yasutoshi Nomura, Hiroshi Yamazaki, Yukihisa Yamato
Detection of Corrosion Progress using deep learning and image processing. SCIS/ISIS (2022)
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
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 (2022)
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
110-GHz-Bandwidth InP-HBT AMUX/ADEMUX Circuits for Beyond-1-Tb/s/ch Digital Coherent Optical Transceivers. CICC (2022)
Masayoshi Yoshimura, Atsuya Tsujikawa, Hiroshi Yamazaki, Toshinori Hosokawa
CRLock: A SAT and FALL Attacks Resistant Logic Locking Method at Register Transfer Level. DFT (2022)
Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Yoshihiro Ogiso, Y. Miyamoto
Experimental Investigation of Influence of SOA-Induced Nonlinear Distortion on High-Symbol-Rate 168-GBaud Signal for Achieving Ultra-Broadband Optical Frontend. OFC (2022)
Keiichi Miyajima, Hiroshi Yamazaki
Compactness of Neural Networks. Formaliz. Math. 30 (1) (2022)
Miyuki Kadokura, Hiroshi Yamazaki, Tokio Kasai, Kazuhiro Watanabe, Michiko Nishiyama
Sensitivity Enhancement of a Semicircular Curved Hetero-Core Optical Fiber Accelerometer With Low Cross-Axis Sensitivity. IEEE Trans. Instrum. Meas. 71 (2022)
Hiroshi Yamazaki, Keiichi Miyajima, Yasunari Shidama
Functional Space Consisted by Continuous Functions on Topological Space. Formaliz. Math. 29 (1) (2021)
Hiroshi Yamazaki, Keiichi Miyajima, Yasunari Shidama
Ascoli-Arzelà TheoremThis work was supported by JSPS KAKENHI Grant Numbers JP17K00182. Formaliz. Math. 29 (2) (2021)
Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Yutaka Miyamoto
High Symbol-Rate Signal Optimization for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate. ECOC (2021)
Hiroshi Yamazaki
Functional Sequence in Norm Space. Formaliz. Math. 28 (4) (2020)
Christian Schmidt, Hiroshi Yamazaki, Gregory Raybon, Peter Schvan, Erwan Pincemin, S. J. Ben Yoo, Daniel J. Blumenthal, Takayuki Mizuno, Robert Elschner
Data Converter Interleaving: Current Trends and Future Perspectives. IEEE Commun. Mag. 58 (5) (2020)
Toshinori Hosokawa, Kenichiro Misawa, Hiroshi Yamazaki, Masayoshi Yoshimura, Masayuki Arai
A Low Capture Power Oriented X-Identification-Filling Co-Optimization Method. IOLTS (2020)
Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
Long-Haul WDM Transmission with Over-1-Tb/s Channels using Electrically Synthesized High-Symbol-Rate Signals. OFC (2020)
Miyuki Kadokura, Hiroshi Yamazaki, Michiko Nishiyama, Kazuhiro Watanabe
Frequency characteristics of hetero-core fiber accelerometer with two orthogonal vibrational modes of an arch shape beam structure. IEEE SENSORS (2020)
Masanori Nakamura, Takayuki Kobayashi, Hiroshi Yamazaki, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Hideyuki Nosaka, Yutaka Miyamoto
Entropy and Symbol-Rate Optimized 120 GBaud PS-36QAM Signal Transmission over 2400 km at Net-Rate of 800 Gbps/λ. OFC (2020)
Daniel A. Smieja, Benjamin T. Dunkley, Blake C. Papsin, Vijayalakshmi Easwar, Hiroshi Yamazaki, Michael Deighton, Karen A. Gordon
Interhemispheric auditory connectivity requires normal access to sound in both ears during development. NeuroImage 208 (2020)
Yuki Ikegaya, Toshinori Hosokawa, Yuta Ishiyama, Hiroshi Yamazaki
A Test Sensitization State Compaction Method on Controller Augmentation. IOLTS (2020)
Fukutaro Hamaoka, Masahito Nakamura, Munehiko Nagatani, Hitoshi Wakita, Takayuki Kobayashi, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
Ultra-wideband Optical Receiver Using Electrical Spectrum Decomposition Technique. ECOC (2020)
Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Yoshihiro Ogiso, Miwa Mutoh, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto, Hideyuki Nosaka
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 55 (9) (2020)
Toshiki Kishi, Munehiko Nagatani, Shigeru Kanazawa, Kota Shikama, Takuro Fujii, Hidetaka Nishi, Hiroshi Yamazaki, Norio Sato, Hideyuki Nosaka, Shinji Matsuo
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 (2020)
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
Net 321.24-Gb/s IMDD Transmission Based on a >100-GHz Bandwidth Directly-Modulated Laser. OFC (2020)
Akihito Matsuo, Miyuki Kadokura, Hiroshi Yamazaki, Michiko Nishiyama, Kazuhiro Watanabe
Sensitivity and resonance frequency evaluations for a cantilever type hetero-core fiber optic accelerometer. IEEE SENSORS (2020)
Atsushi Aratake, Ken Tsuzuki, Motohaya Ishii, Takashi Saida, Takashi Goh, Yoshiyuki Doi, Hiroshi Yamazaki, Takao Fukumitsu, Takashi Yamada, Shinji Mino
Hybrid Modulator Using Heterogeneous Material Integration Technology. IEICE Trans. Electron. (8) (2020)
Hiroshi Yamazaki, Masanori Nakamura, Takashi Goh, Toshikazu Hashimoto, Yutaka Miyamoto
Transmitter Bandwidth Extension using Optical Time-Interleaving Modulator and Digital Spectral Weaver. OFC (2020)
Takayuki Kobayashi, Shimpei Shimizu, Masahito Nakamura, Takeshi Umeki, Takushi Kazama, Ryoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Takayuki Mizuno, Hideyuki Nosaka, Yutaka Miyamoto
Wideband Inline-Amplified WDM Transmission using PPLN-Based OPA with Over-10-THz Bandwidth. OFC (2020)
Sora Otsuki, Pauline N. Kawamoto, Hiroshi Yamazaki
A Simple Example for Linear Partial Differential Equations and Its Solution Using the Method of Separation of Variables. Formaliz. Math. 27 (1) (2019)
Hiroshi Yamazaki, Kazuhiro Watanabe
Fiber Optic Folding Angle Sensors for Origami-Inspired Devices. GCCE (2019)
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
Ultra-High Bandwidth InP IQ Modulator for Beyond 100-GBd Transmission. OFC (2019)
Yuta Ishiyama, Toshinori Hosokawa, Hiroshi Yamazaki
A Design for Testability Method for k-Cycle Capture Test Generation. IOLTS (2019)
Munehiko Nagatani, Yutaka Miyamoto, Hideyuki Nosaka, Hitoshi Wakita, Yoshihiro Ogiso, Hiroshi Yamazaki, Miwa Mutoh, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi
A 110-GHz-Bandwidth 2: 1 AMUX-Driver using 250-nm InP DHBTs for Beyond-1-Tb/s/carrier Optical Transmission Systems. BCICTS (2019)
Fukutaro Hamaoka, Masanori Nakamura, Munehiko Nagatani, Takayuki Kobayashi, Asuka Matsushita, Hitoshi Wakita, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler. OFC (2019)
Yuki Takeuchi, Toshinori Hosokawa, Hiroshi Yamazaki, Masayoshi Yoshimura
A Controller Augmentation Method to Improve Transition Fault Coverage for RTL Data-Paths. IOLTS (2019)
Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Takayuki Kobayashi, Asuka Matsushita, Seiji Okamoto, Hitoshi Wakita, Hideyuki Nosaka, Yutaka Miyamoto
1.04 Tbps/Carrier Probabilistically Shaped PDM-64QAM WDM Transmission Over 240 km Based on Electrical Spectrum Synthesis. OFC (2019)
Toshinori Hosokawa, Hiroshi Yamazaki, Kenichiro Misawa, Masayoshi Yoshimura, Yuki Hirama, Masavuki Arai
A Low Capture Power Oriented X-filling Method Using Partial MaxSAT Iteratively. DFT (2019)
Masayoshi Yoshimura, Yuki Takeuchi, Hiroshi Yamazaki, Toshinori Hosokawa
A State Assignment Method to Improve Transition Fault Coverage for Controllers. DFT (2019)
Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Takeshi Umeki, Hideyuki Nosaka, Yutaka Miyamoto
35-Tb/s C-Band Transmission Over 800 km Employing 1-Tb/s PS-64QAM Signals Enhanced by Complex 8 × 2 MIMO Equalizer. OFC (2019)
Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Yoshihiro Ogiso, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto
Digital-Preprocessed Analog-Multiplexed DAC for High-Speed Optical Communications. OECC/PSC (2019)
Shigeru Kanazawa, Hiroshi Yamazaki, Yuta Ueda, Wataru Kobayashi, Yoshihiro Ogiso, Johsuke Ozaki, Takahiko Shindo, Satoshi Tsunashima, Hiromasa Tanobe, Atsushi Araratake
High-Frequency and Integrated Design Based on Flip-Chip Interconnection Technique (Hi-FIT) for High-Speed (>100 Gbaud) Optical Devices. IEICE Trans. Electron. (4) (2019)
Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Hiroshi Yamazaki, Takayuki Kobayashi, Minoru Ida, Hideyuki Nosaka, Yutaka Miyamoto
192-Gbaud Signal Generation using Ultra-Broadband Optical Frontend Module Integrated with Bandwidth Multiplexing Function. OFC (2019)
Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Takayuki Kobayashi, Yoshiaki Kisaka, Yutaka Miyamoto
Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network. OFC (2018)
Josuke Ozaki, Shinsuke Nakano, Yoshihiro Ogiso, Shigeru Kanazawa, Yuta Ueda, Yasuaki Hashizume, Hiroshi Yamazaki, Hiromasa Tanobe, Eiichi Yamada, Nobuhiro Nunoya, Nobuhiro Kikuchi
Ultra-Low Power Dissipation (<2.4 W) Coherent InP Modulator Module with CMOS Driver IC. ECOC (2018)
Toshinori Hosokawa, Hiroshi Yamazaki, Shun Takeda, Masayoshi Yoshimura
A Test Register Assignment Method Based on Controller Augmentation to Reduce the Number of Test Patterns. IOLTS (2018)
Sayuri Ochi, Hiroshi Yamazaki, Toshinori Hosokawa, Masayoshi Yoshimura
A Capture Safe Static Test Compaction Method Based on Don't Cares. IOLTS (2018)
Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Yoshihiro Ogiso, Masanori Nakamura, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto
Transmission of 400-Gbps Discrete Multi-Tone Signal Using >100-GHz-Bandwidth Analog Multiplexer and InP Mach-Zehnder Modulator. ECOC (2018)
Yoshihiro Ogiso, Hitoshi Wakita, Munehiko Nagatani, Hiroshi Yamazaki, Masanori Nakamura, Takayuki Kobayashi, Johsuke Ozaki, Yuta Ueda, S. Nakano, Shigeru Kanazawa, T. Fujii, Yasuaki Hashizume, Hiromasa Tanobe, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Nobuhiro Kikuchi
Ultra-High Bandwidth InP IQ Modulator co-assembled with Driver IC for Beyond 100-GBd CDM. OFC (2018)
Hiroto Kawakami, Hiroshi Yamazaki, Yutaka Miyamoto
Novel Optimizing Technique for Linear Optical Mach-Zehnder Modulator and its Experimental Verification Using PAM-8 Signal. ECOC (2018)
Takayuki Kobayashi, Takeshi Umeki, Ryoichi Kasahara, Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Hirokazu Takenouchi, Yutaka Miyamoto
96-Gbaud PDM-8QAM Single Channel Transmission over 9, 600 km by Nonlinear Tolerance Enhancement using PPLN-based Optical Phase Conjugation. OFC (2018)
Hiroshi Yamazaki, Ichiro Kurose, Michiko Nishiyama, Kazuhiro Watanabe
Pendulum-Type Hetero-Core Fiber Optic Accelerometer for Low-Frequency Vibration Monitoring. Sensors 18 (8) (2018)
Toshinori Hosokawa, Morito Niseki, Masayoshi Yoshimura, Hiroshi Yamazaki, Masayuki Arai, Hiroyuki Yotsuyanagi, Masaki Hashizume
A Sequentially Untestable Fault Identification Method Based on n-Bit State Cube Justification. IOLTS (2018)
Masayoshi Yoshimura, Yoshiyasu Takahashi, Hiroshi Yamazaki, Toshinori Hosokawa
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. (12) (2017)
Shinsuke Nakano, Munehiko Nagatani, Kenji Tanaka, Yoshihiro Ogiso, Josuke Ozaki, Hiroshi Yamazaki, Hideyuki Nosaka
A 180-mW Linear MZM Driver in CMOS for Single-Carrier 400-Gb/s Coherent Optical Transmitter. ECOC (2017)
Toshinori Hosokawa, Shun Takeda, Hiroshi Yamazaki, Masayoshi Yoshimura
Controller augmentation and test point insertion at RTL for concurrent operational unit testing. IOLTS (2017)
Fukutaro Hamaoka, Seiji Okamoto, Masanori Nakamura, Asuka Matsushita, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshiaki Kisaka, Akira Hirano, Yutaka Miyamoto
Experimental Demonstration of Simplified Adaptive Equalizer for Fractionally Sampled 120-GBaud Signal. ECOC (2017)
Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Akira Hirano, Yutaka Miyamoto
High Baud Rate Signal Transmission with Coded Multi-dimensional Modulation. ECOC (2017)
Toshinori Hosokawa, Hideyuki Takano, Hiroshi Yamazaki, Koji Yamazaki
A Diagnostic Fault Simulation Method for a Single Universal Logical Fault Model. PRDC (2017)
Toshinori Hosokawa, Atsushi Hirai, Hiroshi Yamazaki, Masayuki Arai
A dynamic test compaction method on low power test generation based on capture safe test vectors. DFT (2017)
Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Akihide Sano, Akira Hirano, Yutaka Miyamoto
120-GBaud coded 8 dimensional 16QAM WDM transmission using low-complexity iterative decoding based on bit-wise log likelihood ratio. OFC (2017)
Hiroshi Yamazaki, Shigeru Kanazawa, Yasuhiko Nakanishi, Yuta Ueda, Wataru Kobayashi, Yoshifumi Muramoto, Hiroyuki Ishii, Hiroaki Sanjoh
Ultra-broadband EA-DFB laser module for 200-Gbit/s PAM4 transmitter. OFC (2017)
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
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 (2017)
Hiroshi Yamazaki, Munehiko Nagatani, Fukutaro Hamaoka, Shigeru Kanazawa, Hideyuki Nosaka, Toshikazu Hashimoto, Yutaka Miyamoto
Ultra-Wideband Digital-to-Analog Conversion Technologies for Tbit/s channel transmission. ECOC (2017)
Shigeru Kanazawa, Takeshi Fujisawa, Kiyoto Takahata, Yasuhiko Nakanishi, Hiroshi Yamazaki, Yuta Ueda, Wataru Kobayashi, Yoshifumi Muramoto, Hiroyuki Ishii, Hiroaki Sanjoh
56-Gbaud 4-PAM (112-Gbit/s) operation of flip-chip interconnection lumped-electrode EADFB laser module for equalizer-free transmission. OFC (2016)
Yoshiyuki Doi, Takaharu Ohyama, Toshihide Yoshimatsu, Tetsuichiro Ohno, Yasuhiko Nakanishi, Shunichi Soma, Hiroshi Yamazaki, Manabu Oguma, Toshikazu Hashimoto, Hiroaki Sanjoh
Integrated Photonic Devices and Applications for 100GbE-and-Beyond Datacom. IEICE Trans. Electron. (2) (2016)
Shigeru Kanazawa, Hiroshi Yamazaki, Yasuhiko Nakanishi, Takeshi Fujisawa, Kiyoto Takahata, Yuta Ueda, Wataru Kobayashi, Yoshifumi Muramoto, Hiroyuki Ishii, Hiroaki Sanjoh
Transmission of 214-Gbit/s 4-PAM signal using an ultra-broadband lumped-electrode EADFB laser module. OFC (2016)
Hiroyuki Nakamoto, Hong Gao, Hiroshi Yamazaki
A 60mV-3V Wide-Input-Voltage-Range Boost Converter with Amplitude-Regulated Oscillator for Energy Harvesting. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2016)
Kazuhisa Nakasho, Hiroshi Yamazaki, Hiroyuki Okazaki, Yasunari Shidama
Conservation Rules of Direct Sum Decomposition of Groups. Formaliz. Math. 24 (1) (2016)
Takashi Goh, Mikitaka Itoh, Hiroshi Yamazaki, Takashi Saida, Toshikazu Hashimoto
Optical Nyquist-filtering multi/demultiplexer with PLC for 1-Tb/s class super-channel transceiver. OFC (2015)
Masayoshi Yoshimura, Yoshiyasu Takahashi, Hiroshi Yamazaki, Toshinori Hosokawa
A Don't Care Filling Method to Reduce Capture Power Based on Correlation of FF Transitions. ATS (2015)
Masahiro Nada, Shigeru Kanazawa, Hiroshi Yamazaki, Yasuhiko Nakanishi, Wataru Kobayashi, Yoshiyuki Doi, Takaharu Ohyama, Tetsuichiro Ohno, Kiyoto Takahata, Toshikazu Hashimoto, Hideaki Matsuzaki
High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4. OFC (2015)
Yoshiyuki Doi, Takaharu Ohyama, Yasuhiko Nakanishi, Toshihide Yoshimatsu, Shunichi Soma, Hiroshi Yamazaki, Manabu Oguma
Bidirectional 400-Gb/s transmission by lOOGbE optical sub-assemblies and a cyclic arrayed waveguide grating. OFC (2015)
Hiroshi Yamazaki, Munehiko Nagatani, Shigeru Kanazawa, Hideyuki Nosaka, Toshikazu Hashimoto, Akihide Sano, Yutaka Miyamoto
160-Gbps Nyquist PAM4 transmitter using a digital-preprocessed analog-multiplexed DAC. ECOC (2015)
Kazuhisa Nakasho, Hiroyuki Okazaki, Hiroshi Yamazaki, Yasunari Shidama
Equivalent Expressions of Direct Sum Decomposition of Groups1. Formaliz. Math. 23 (1) (2015)
Takashi Enami, Kentaro Kawakami, Hiroshi Yamazaki
DMA-driven control method for low power sensor node. WiSNet (2015)
Kazuhisa Nakasho, Hiroshi Yamazaki, Hiroyuki Okazaki, Yasunari Shidama
Definition and Properties of Direct Sum Decomposition of Groups1. Formaliz. Math. 23 (1) (2015)
Hiroshi Yamazaki, Takashi Goh, Toshikazu Hashimoto, Akihide Sano, Yutaka Miyamoto
Generation of 448-Gbps OTDM-PDM-16QAM signal with an integrated modulator using orthogonal CSRZ pulses. OFC (2015)
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
400-G coherent receiver using silica-based heterogeneously-integrated PLC with newly developed waveplate type PBS. ECOC (2014)
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
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 (2014)
Hiroshi Yamazaki, Yasuaki Hashizume, Takashi Saida
Simple three-dimensional simplex modulator. OFC (2014)
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
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 49 (12) (2014)
Akimasa Kaneko, Hiroshi Yamazaki, Yutaka Miyamoto
Linear optical modulator. OFC (2014)
Shinji Mino, Hiroshi Yamazaki, Takashi Goh, Takashi Saida
Transmitter synthesis for advanced modulation formats utilizing silica-LiNbO3 hybrid integration technology. OFC/NFOEC (2013)
Hiroshi Yamazaki, Motohiro Wakazono, Toshinori Hosokawa, Masayoshi Yoshimura
A Test Compaction Oriented Don't Care Identification Method Based on X-bit Distribution. IEICE Trans. Inf. Syst. (9) (2013)
Hiroshi Yamazaki, Hiroyuki Okazaki, Kazuhisa Nakasho, Yasunari Shidama
Isomorphisms of Direct Products of Cyclic Groups of Prime Power Order. Formaliz. Math. 21 (3) (2013)
Hiroshi Yamazaki, Motohiro Wakazono, Toshinori Hosokawa, Masayoshi Yoshimura
A don't care identification method for test compaction. DDECS (2013)
Hiroyuki Okazaki, Hiroshi Yamazaki, Yasunari Shidama
Isomorphisms of Direct Products of Finite Commutative Groups. Formaliz. Math. 21 (1) (2013)
Hiroshi Yamazaki, Hiroshi Takahashi, Takashi Goh, Yasuaki Hashizume, Shinji Mino, Yutaka Miyamoto
Linear optical IQ modulator for high-order multilevel coherent transmission. OFC/NFOEC (2013)
Hiroshi Yamazaki, Czeslaw Bylinski, Katsumi Wasaki
Morphology for Image Processing. Part I. Formaliz. Math. 20 (1) (2012)
Shinji Mino, Hiroshi Yamazaki, Takashi Goh, Ken Tsuzuki, Takashi Saida, Takaharu Ohyama, Ikuo Ogawa, Koichi Murata
Functional integrated modulators and receivers utilizing PLC hybrid integration technology for coherent transmission. IEICE Electron. Express 8 (20) (2011)
Shin Kaneko, Sang-Yuep Kim, Noriki Miki, Hideaki Kimura, Hisaya Hadama, Koichi Takiguchi, Hiroshi Yamazaki, Takashi Yamada, Yoshiyuki Doi
Spectrally Efficient Frequency-Domain Optical CDM Employing QAM Based on Electrical Spatial Code Spreading. IEICE Trans. Commun. (10) (2011)
Takashi Shibata, Hiroshi Yamazaki
Strategic investment timing under asymmetric access charge regulation in telecommunications. Eur. J. Oper. Res. 207 (3) (2010)
Hiroshi Yamazaki, Yasunari Shidama, Chanapat Pacharapokin, Yatsuka Nakamura
The Cauchy-Riemann Differential Equations of Complex Functions. Formaliz. Math. 17 (1-4) (2009)
Masahiko Yamazaki, Hiroshi Yamazaki, Katsumi Wasaki, Yasunari Shidama
Complex Integral. Formaliz. Math. 17 (1-4) (2009)
Keido Kobayashi, Akiko Yoshioka, Masao Okabe, Masahiko Yanagisawa, Hiroshi Yamazaki, Takahira Yamaguchi
How Much Well Does Organizational Knowledge Transfer Work with Domain and Rule Ontologies? KSEM (2009)
Chanapat Pacharapokin, Hiroshi Yamazaki, Yasunari Shidama, Yatsuka Nakamura
Complex Function Differentiability. Formaliz. Math. 17 (1-4) (2009)
Masao Okabe, Masahiko Yanagisawa, Hiroshi Yamazaki, Keido Kobayashi, Akiko Yoshioka, Takahira Yamaguchi
Organizational Knowledge Transfer of Intelligence Skill Using Ontologies and a Rule-Based System. PAKM (2008)

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Publication Activity (10 Years)

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Hiroshi Yamazaki