Hiroshi Yamazaki

Orcid: 0000-0001-9434-2957

According to our database1, Hiroshi Yamazaki authored at least 108 papers between 1988 and 2024.

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Bibliography

2024
Net-1.8 Tbps/λ Transmission Enabled by C+L-band InP-based Coherent Driver Modulator.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

AMUX-based Bandwidth Tripler with Time-interleaved Nonlinear Digital Pre-distortion Enabling 216-GBd PS-PAM8 Signal.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

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.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

2023
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.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

2022
Sensitivity Enhancement of a Semicircular Curved Hetero-Core Optical Fiber Accelerometer With Low Cross-Axis Sensitivity.
IEEE Trans. Instrum. Meas., 2022

Compactness of Neural Networks.
Formaliz. Math., 2022

Detection of Corrosion Progress using deep learning and image processing.
Proceedings of the Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems, 2022

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.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

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.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

Experimental Investigation of Influence of SOA-Induced Nonlinear Distortion on High-Symbol-Rate 168-GBaud Signal for Achieving Ultra-Broadband Optical Frontend.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

CRLock: A SAT and FALL Attacks Resistant Logic Locking Method at Register Transfer Level.
Proceedings of the IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems, 2022

110-GHz-Bandwidth InP-HBT AMUX/ADEMUX Circuits for Beyond-1-Tb/s/ch Digital Coherent Optical Transceivers.
Proceedings of the IEEE Custom Integrated Circuits Conference, 2022

2021
Ascoli-Arzelà TheoremThis work was supported by JSPS KAKENHI Grant Numbers JP17K00182.
Formaliz. Math., 2021

Functional Space Consisted by Continuous Functions on Topological Space.
Formaliz. Math., 2021

High Symbol-Rate Signal Optimization for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate.
Proceedings of the European Conference on Optical Communication, 2021

2020
Interhemispheric auditory connectivity requires normal access to sound in both ears during development.
NeuroImage, 2020

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, 2020

Highly Reliable Silica-LiNbO<sub>3</sub> Hybrid Modulator Using Heterogeneous Material Integration Technology.
IEICE Trans. Electron., 2020

Functional Sequence in Norm Space.
Formaliz. Math., 2020

Data Converter Interleaving: Current Trends and Future Perspectives.
IEEE Commun. Mag., 2020

Transmitter Bandwidth Extension using Optical Time-Interleaving Modulator and Digital Spectral Weaver.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Entropy and Symbol-Rate Optimized 120 GBaud PS-36QAM Signal Transmission over 2400 km at Net-Rate of 800 Gbps/λ.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Wideband Inline-Amplified WDM Transmission using PPLN-Based OPA with Over-10-THz Bandwidth.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Long-Haul WDM Transmission with Over-1-Tb/s Channels using Electrically Synthesized High-Symbol-Rate Signals.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

A 0.57-mW/Gbps, 2ch × 53-Gbps Low-Power PAM4 Transmitter Front-End Flip-Chip-Bonded 1.3-µm LD-Array-on-Si.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Net 321.24-Gb/s IMDD Transmission Based on a >100-GHz Bandwidth Directly-Modulated Laser.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

A Test Sensitization State Compaction Method on Controller Augmentation.
Proceedings of the 26th IEEE International Symposium on On-Line Testing and Robust System Design, 2020

A Low Capture Power Oriented X-Identification-Filling Co-Optimization Method.
Proceedings of the 26th IEEE International Symposium on On-Line Testing and Robust System Design, 2020

Sensitivity and resonance frequency evaluations for a cantilever type hetero-core fiber optic accelerometer.
Proceedings of the 2020 IEEE Sensors, Rotterdam, The Netherlands, October 25-28, 2020, 2020

Frequency characteristics of hetero-core fiber accelerometer with two orthogonal vibrational modes of an arch shape beam structure.
Proceedings of the 2020 IEEE Sensors, Rotterdam, The Netherlands, October 25-28, 2020, 2020

Ultra-wideband Optical Receiver Using Electrical Spectrum Decomposition Technique.
Proceedings of the European Conference on Optical Communications, 2020

2019
High-Frequency and Integrated Design Based on Flip-Chip Interconnection Technique (Hi-FIT) for High-Speed (>100 Gbaud) Optical Devices.
IEICE Trans. Electron., 2019

A Simple Example for Linear Partial Differential Equations and Its Solution Using the Method of Separation of Variables.
Formaliz. Math., 2019

Digital-Preprocessed Analog-Multiplexed DAC for High-Speed Optical Communications.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

Ultra-High Bandwidth InP IQ Modulator for Beyond 100-GBd Transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

1.04 Tbps/Carrier Probabilistically Shaped PDM-64QAM WDM Transmission Over 240 km Based on Electrical Spectrum Synthesis.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

192-Gbaud Signal Generation using Ultra-Broadband Optical Frontend Module Integrated with Bandwidth Multiplexing Function.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

35-Tb/s C-Band Transmission Over 800 km Employing 1-Tb/s PS-64QAM Signals Enhanced by Complex 8 × 2 MIMO Equalizer.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

A Controller Augmentation Method to Improve Transition Fault Coverage for RTL Data-Paths.
Proceedings of the 25th IEEE International Symposium on On-Line Testing and Robust System Design, 2019

A Design for Testability Method for k-Cycle Capture Test Generation.
Proceedings of the 25th IEEE International Symposium on On-Line Testing and Robust System Design, 2019

Fiber Optic Folding Angle Sensors for Origami-Inspired Devices.
Proceedings of the IEEE 8th Global Conference on Consumer Electronics, 2019

A State Assignment Method to Improve Transition Fault Coverage for Controllers.
Proceedings of the 2019 IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems, 2019

A Low Capture Power Oriented X-filling Method Using Partial MaxSAT Iteratively.
Proceedings of the 2019 IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems, 2019

A 110-GHz-Bandwidth 2: 1 AMUX-Driver using 250-nm InP DHBTs for Beyond-1-Tb/s/carrier Optical Transmission Systems.
Proceedings of the 2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS), 2019

2018
Pendulum-Type Hetero-Core Fiber Optic Accelerometer for Low-Frequency Vibration Monitoring.
Sensors, 2018

Ultra-High Bandwidth InP IQ Modulator co-assembled with Driver IC for Beyond 100-GBd CDM.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

96-Gbaud PDM-8QAM Single Channel Transmission over 9, 600 km by Nonlinear Tolerance Enhancement using PPLN-based Optical Phase Conjugation.
Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

A Capture Safe Static Test Compaction Method Based on Don't Cares.
Proceedings of the 24th IEEE International Symposium on On-Line Testing And Robust System Design, 2018

A Test Register Assignment Method Based on Controller Augmentation to Reduce the Number of Test Patterns.
Proceedings of the 24th IEEE International Symposium on On-Line Testing And Robust System Design, 2018

A Sequentially Untestable Fault Identification Method Based on n-Bit State Cube Justification.
Proceedings of the 24th IEEE International Symposium on On-Line Testing And Robust System Design, 2018

Transmission of 400-Gbps Discrete Multi-Tone Signal Using >100-GHz-Bandwidth Analog Multiplexer and InP Mach-Zehnder Modulator.
Proceedings of the European Conference on Optical Communication, 2018

Ultra-Low Power Dissipation (<2.4 W) Coherent InP Modulator Module with CMOS Driver IC.
Proceedings of the European Conference on Optical Communication, 2018

Novel Optimizing Technique for Linear Optical Mach-Zehnder Modulator and its Experimental Verification Using PAM-8 Signal.
Proceedings of the European Conference on Optical Communication, 2018

2017
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., 2017

A Diagnostic Fault Simulation Method for a Single Universal Logical Fault Model.
Proceedings of the 22nd IEEE Pacific Rim International Symposium on Dependable Computing, 2017

Ultra-broadband EA-DFB laser module for 200-Gbit/s PAM4 transmitter.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

120-GBaud coded 8 dimensional 16QAM WDM transmission using low-complexity iterative decoding based on bit-wise log likelihood ratio.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

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.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Controller augmentation and test point insertion at RTL for concurrent operational unit testing.
Proceedings of the 23rd IEEE International Symposium on On-Line Testing and Robust System Design, 2017

Ultra-Wideband Digital-to-Analog Conversion Technologies for Tbit/s channel transmission.
Proceedings of the European Conference on Optical Communication, 2017

A 180-mW Linear MZM Driver in CMOS for Single-Carrier 400-Gb/s Coherent Optical Transmitter.
Proceedings of the European Conference on Optical Communication, 2017

High Baud Rate Signal Transmission with Coded Multi-dimensional Modulation.
Proceedings of the European Conference on Optical Communication, 2017

Experimental Demonstration of Simplified Adaptive Equalizer for Fractionally Sampled 120-GBaud Signal.
Proceedings of the European Conference on Optical Communication, 2017

A dynamic test compaction method on low power test generation based on capture safe test vectors.
Proceedings of the IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems, 2017

2016
A 60mV-3V Wide-Input-Voltage-Range Boost Converter with Amplitude-Regulated Oscillator for Energy Harvesting.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016

Integrated Photonic Devices and Applications for 100GbE-and-Beyond Datacom.
IEICE Trans. Electron., 2016

Conservation Rules of Direct Sum Decomposition of Groups.
Formaliz. Math., 2016

Transmission of 214-Gbit/s 4-PAM signal using an ultra-broadband lumped-electrode EADFB laser module.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

56-Gbaud 4-PAM (112-Gbit/s) operation of flip-chip interconnection lumped-electrode EADFB laser module for equalizer-free transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

2015
Definition and Properties of Direct Sum Decomposition of Groups1.
Formaliz. Math., 2015

Equivalent Expressions of Direct Sum Decomposition of Groups1.
Formaliz. Math., 2015

DMA-driven control method for low power sensor node.
Proceedings of the IEEE Topical Conference on Wireless Sensors and Sensor Networks, 2015

Generation of 448-Gbps OTDM-PDM-16QAM signal with an integrated modulator using orthogonal CSRZ pulses.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Optical Nyquist-filtering multi/demultiplexer with PLC for 1-Tb/s class super-channel transceiver.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Bidirectional 400-Gb/s transmission by lOOGbE optical sub-assemblies and a cyclic arrayed waveguide grating.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

160-Gbps Nyquist PAM4 transmitter using a digital-preprocessed analog-multiplexed DAC.
Proceedings of the European Conference on Optical Communication, 2015

A Don't Care Filling Method to Reduce Capture Power Based on Correlation of FF Transitions.
Proceedings of the 24th IEEE Asian Test Symposium, 2015

2014
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, 2014

Simple three-dimensional simplex modulator.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

Linear optical modulator.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

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.
Proceedings of the 2014 IEEE International Conference on Solid-State Circuits Conference, 2014

400-G coherent receiver using silica-based heterogeneously-integrated PLC with newly developed waveplate type PBS.
Proceedings of the European Conference on Optical Communication, 2014

2013
A Test Compaction Oriented Don't Care Identification Method Based on X-bit Distribution.
IEICE Trans. Inf. Syst., 2013

Isomorphisms of Direct Products of Cyclic Groups of Prime Power Order.
Formaliz. Math., 2013

Isomorphisms of Direct Products of Finite Commutative Groups.
Formaliz. Math., 2013

Linear optical IQ modulator for high-order multilevel coherent transmission.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013

Transmitter synthesis for advanced modulation formats utilizing silica-LiNbO3 hybrid integration technology.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013

A don't care identification method for test compaction.
Proceedings of the 16th IEEE International Symposium on Design and Diagnostics of Electronic Circuits & Systems, 2013

2012
Morphology for Image Processing. Part I.
Formaliz. Math., 2012

2011
Spectrally Efficient Frequency-Domain Optical CDM Employing QAM Based on Electrical Spatial Code Spreading.
IEICE Trans. Commun., 2011

Functional integrated modulators and receivers utilizing PLC hybrid integration technology for coherent transmission.
IEICE Electron. Express, 2011

2010
Strategic investment timing under asymmetric access charge regulation in telecommunications.
Eur. J. Oper. Res., 2010

A 0.3mm<sup>2</sup> 90-to-770MHz fractional-N Synthesizer for a digital TV tuner.
Proceedings of the IEEE International Solid-State Circuits Conference, 2010

2009
Complex Integral.
Formaliz. Math., 2009

The Cauchy-Riemann Differential Equations of Complex Functions.
Formaliz. Math., 2009

Complex Function Differentiability.
Formaliz. Math., 2009

How Much Well Does Organizational Knowledge Transfer Work with Domain and Rule Ontologies?
Proceedings of the Knowledge Science, 2009

2008
Extended Riemann Integral of Functions of Real Variable and One-sided Laplace Transform.
Formaliz. Math., 2008

Organizational Knowledge Transfer of Intelligence Skill Using Ontologies and a Rule-Based System.
Proceedings of the Practical Aspects of Knowledge Management, 7th International Conference, 2008

2006
An 18mW 90 to 770MHz synthesizer with agile auto-tuning for digital TV-tuners.
Proceedings of the 2006 IEEE International Solid State Circuits Conference, 2006

1999
An accurate center frequency tuning scheme for 450-KHz CMOS G<sub>m</sub>-C bandpass filters.
IEEE J. Solid State Circuits, 1999

A Low-Loss Built-In Current Sensor.
J. Electron. Test., 1999

1996
An Optimizing Fuzzy Logic with Genetic Algorithms.
Proceedings of 1996 IEEE International Conference on Evolutionary Computation, 1996

1994
A mapping system from Object-Z to C++.
Proceedings of the First Asia-Pacific Software Engineering Conference, 1994

1988
Multi-axis Force Sensor Using Piezoresistors and a Plate-Like Structure.
Proceedings of the IEEE International Workshop on Intelligent Robots and Systems '88, Proceedings. IROS 1988, Tokyo, Japan, October 31, 1988


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