Nobuyuki YOSHIKAWA


Thermally Assisted Superconductor Transistors for Josephson-CMOS Hybrid Memories
Kyosuke SANO Masato SUZUKI Kohei MARUYAMA Soya TANIGUCHI Masamitsu TANAKA Akira FUJIMAKI Masumi INOUE Nobuyuki YOSHIKAWA 
Publication:   
Publication Date: 2018/05/01
Vol. E101-C  No. 5  pp. 370-377
Type of Manuscript:  INVITED PAPER (Special Section on Innovative Superconducting Devices Based on New Physical Phenomena)
Category: 
Keyword: 
nanodevicesthermally assisted devicesingle-flux-quantum logicsuperconducting integrated circuits
 Summary | Full Text:PDF(1.4MB)

Recent Progress on Reversible Quantum-Flux-Parametron for Superconductor Reversible Computing
Naoki TAKEUCHI Yuki YAMANASHI Nobuyuki YOSHIKAWA 
Publication:   
Publication Date: 2018/05/01
Vol. E101-C  No. 5  pp. 352-358
Type of Manuscript:  INVITED PAPER (Special Section on Innovative Superconducting Devices Based on New Physical Phenomena)
Category: 
Keyword: 
reversible computingadiabatic logicQFP
 Summary | Full Text:PDF(1.9MB)

FOREWORD
Nobuyuki YOSHIKAWA 
Publication:   
Publication Date: 2018/05/01
Vol. E101-C  No. 5  pp. 351-351
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(82.8KB)

30GHz Operation of Single-Flux-Quantum Arithmetic Logic Unit Implemented by Using Dynamically Reconfigurable Gates
Yuki YAMANASHI Shohei NISHIMOTO Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/06/01
Vol. E99-C  No. 6  pp. 692-696
Type of Manuscript:  Special Section PAPER (Special Section on Cutting-Edge Technologies of Superconducting Electronics)
Category: 
Keyword: 
SFQ circuitshieldingarithmetic logic unitreconfigurable logic device
 Summary | Full Text:PDF(1.5MB)

Inductance and Current Distribution Extraction in Nb Multilayer Circuits with Superconductive and Resistive Components
Coenrad FOURIE Naoki TAKEUCHI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/06/01
Vol. E99-C  No. 6  pp. 683-691
Type of Manuscript:  INVITED PAPER (Special Section on Cutting-Edge Technologies of Superconducting Electronics)
Category: 
Keyword: 
ground plane return currentsinductexlayout extractionnumerical inductance calculationparasitic coupling
 Summary | Full Text:PDF(4.7MB)

Majority Gate-Based Feedback Latches for Adiabatic Quantum Flux Parametron Logic
Naoki TSUJI Naoki TAKEUCHI Yuki YAMANASHI Thomas ORTLEPP Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/06/01
Vol. E99-C  No. 6  pp. 710-716
Type of Manuscript:  Special Section PAPER (Special Section on Cutting-Edge Technologies of Superconducting Electronics)
Category: 
Keyword: 
AQFPsuperconducting circuitsJosephson integrated circuitsadiabatic logiclatch
 Summary | Full Text:PDF(3.3MB)

50 GHz Demonstration of an Integer-Type Butterfly Processing Circuit for an FFT Processor Using the 10 kA/cm2 Nb Process
Yosuke SAKASHITA Yuki YAMANASHI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/03/01
Vol. E98-C  No. 3  pp. 232-237
Type of Manuscript:  Special Section PAPER (Special Section on Leading-Edge Applications and Fundamentals of Superconducting Sensors and Detectors)
Category: 
Keyword: 
SFQ circuitsJosephson integrated circuitFFT processorbutterfly processing circuit
 Summary | Full Text:PDF(1.4MB)

Design and Demonstration of a Single-Flux-Quantum Multi-Stop Time-to-Digital Converter for Time-of-Flight Mass Spectrometry
Kyosuke SANO Yuki YAMANASHI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 182-187
Type of Manuscript:  Special Section PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits)
Category: 
Keyword: 
SFQ circuitsTDCTOF-MSSSIDFIFOJosephson integrated circuits
 Summary | Full Text:PDF(1.4MB)

Design and Evaluation of Magnetic Field Tolerant Single Flux Quantum Circuits for Superconductive Sensing Systems
Yuki YAMANASHI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 178-181
Type of Manuscript:  Special Section PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits)
Category: 
Keyword: 
SFQ circuitcell librarysensor arraymagnetic field tolerance
 Summary | Full Text:PDF(1.3MB)

A Reconfigurable Data-Path Accelerator Based on Single Flux Quantum Circuits
Hiroshi KATAOKA Hiroaki HONDA Farhad MEHDIPOUR Nobuyuki YOSHIKAWA Akira FUJIMAKI Hiroyuki AKAIKE Naofumi TAKAGI Kazuaki MURAKAMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 141-148
Type of Manuscript:  INVITED PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits)
Category: 
Keyword: 
single flux quantumreconfigurable data-pathaccelerator
 Summary | Full Text:PDF(2MB)

Design and High-Speed Demonstration of Single-Flux-Quantum Bit-Serial Floating-Point Multipliers Using a 10kA/cm2 Nb Process
Xizhu PENG Yuki YAMANASHI Nobuyuki YOSHIKAWA Akira FUJIMAKI Naofumi TAKAGI Kazuyoshi TAKAGI Mutsuo HIDAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 188-193
Type of Manuscript:  Special Section PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits)
Category: 
Keyword: 
floating point unitmultiplierLSRDPSFQ circuitsuperconductive integrated circuit
 Summary | Full Text:PDF(2.2MB)

Large-Scale Integrated Circuit Design Based on a Nb Nine-Layer Structure for Reconfigurable Data-Path Processors
Akira FUJIMAKI Masamitsu TANAKA Ryo KASAGI Katsumi TAKAGI Masakazu OKADA Yuhi HAYAKAWA Kensuke TAKATA Hiroyuki AKAIKE Nobuyuki YOSHIKAWA Shuichi NAGASAWA Kazuyoshi TAKAGI Naofumi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 157-165
Type of Manuscript:  INVITED PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits)
Category: 
Keyword: 
advanced processcell-based design techniquehigh-end computinglarge-scale integrationrapid single-flux-quantum circuits
 Summary | Full Text:PDF(2.3MB)

Nb 9-Layer Fabrication Process for Superconducting Large-Scale SFQ Circuits and Its Process Evaluation
Shuichi NAGASAWA Kenji HINODE Tetsuro SATOH Mutsuo HIDAKA Hiroyuki AKAIKE Akira FUJIMAKI Nobuyuki YOSHIKAWA Kazuyoshi TAKAGI Naofumi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 132-140
Type of Manuscript:  INVITED PAPER (Special Section on Leading-Edge Technology of Superconductor Large-Scale Integrated Circuits)
Category: 
Keyword: 
superconducting fabrication technologyNb/AlOx/Nb Josephson junctionsingle flux quantumplanarizationshift register
 Summary | Full Text:PDF(5.3MB)

FOREWORD
Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/03/01
Vol. E94-C  No. 3  pp. 253-253
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(92.1KB)

Statistical Evaluation of a Superconductive Physical Random Number Generator
Tatsuro SUGIURA Yuki YAMANASHI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/04/01
Vol. E93-C  No. 4  pp. 453-457
Type of Manuscript:  Special Section PAPER (Special Section on Frontiers of Superconductive Electronics)
Category: Digital Applications
Keyword: 
single-flux-quantum circuitrandom numberJosephson junctioncomparator
 Summary | Full Text:PDF(488.2KB)

100 GHz Demonstrations Based on the Single-Flux-Quantum Cell Library for the 10 kA/cm2 Nb Multi-Layer Process
Yuki YAMANASHI Toshiki KAINUMA Nobuyuki YOSHIKAWA Irina KATAEVA Hiroyuki AKAIKE Akira FUJIMAKI Masamitsu TANAKA Naofumi TAKAGI Shuichi NAGASAWA Mutsuo HIDAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/04/01
Vol. E93-C  No. 4  pp. 440-444
Type of Manuscript:  Special Section PAPER (Special Section on Frontiers of Superconductive Electronics)
Category: Digital Applications
Keyword: 
single flux quantum circuitJosephson junctioncell libraryadder
 Summary | Full Text:PDF(668.8KB)

Design and Implementation of RSFQ Microwave Choppers for the Superconducting Quantum-Computing System
Naoki TAKEUCHI Yuki YAMANASHI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/04/01
Vol. E93-C  No. 4  pp. 458-462
Type of Manuscript:  Special Section PAPER (Special Section on Frontiers of Superconductive Electronics)
Category: Digital Applications
Keyword: 
SFQquantum bitmicrowave choppersuperconducting circuits
 Summary | Full Text:PDF(523.8KB)

Proposal of a Desk-Side Supercomputer with Reconfigurable Data-Paths Using Rapid Single-Flux-Quantum Circuits
Naofumi TAKAGI Kazuaki MURAKAMI Akira FUJIMAKI Nobuyuki YOSHIKAWA Koji INOUE Hiroaki HONDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/03/01
Vol. E91-C  No. 3  pp. 350-355
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Superconductive Digital Electronics)
Category: 
Keyword: 
superconductorrapid single-flux-quantum circuitreconfigurable data-pathhigh-performance computingsupercomputer
 Summary | Full Text:PDF(297.2KB)

Bit-Serial Single Flux Quantum Microprocessor CORE
Akira FUJIMAKI Masamitsu TANAKA Takahiro YAMADA Yuki YAMANASHI Heejoung PARK Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/03/01
Vol. E91-C  No. 3  pp. 342-349
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Superconductive Digital Electronics)
Category: 
Keyword: 
superconductormicroprocessorsingle flux quantumbit-serialLSI
 Summary | Full Text:PDF(929.4KB)

Development of Passive Interconnection Technology for SFQ Circuits
Yoshihito HASHIMOTO Shinichi YOROZU Yoshio KAMEDA Akira FUJIMAKI Hirotaka TERAI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/02/01
Vol. E88-C  No. 2  pp. 198-207
Type of Manuscript:  INVITED PAPER (Special Section on Superconducting Electronic Devices and Their Applications)
Category: 
Keyword: 
SFQintegrated circuitinterconnectionsuperconductorpassive transmission line
 Summary | Full Text:PDF(1.9MB)

Design of Small RSFQ Microprocessor Based on Cell-Based Top-Down Design Methodology
Futabako MATSUZAKI Kenichi YODA Junichi KOSHIYAMA Kei MOTOORI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 659-664
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Digital Devices and Their Applications
Keyword: 
SFQBDDsuperconducting circuitmicroprocessorstandard cell
 Summary | Full Text:PDF(711.2KB)

High-End Server Based on Complexity-Reduced Architecture for Superconductor Technology
Akira FUJIMAKI Yoshiaki TAKAI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 612-616
Type of Manuscript:  INVITED PAPER (Special Issue on Superconductive Electronics)
Category: Digital Devices and Their Applications
Keyword: 
SFQmemoryprocessorsuperconducting circuitJAVA
 Summary | Full Text:PDF(350.1KB)

Parameter Optimization of Single Flux Quantum Digital Circuits Based on Monte Carlo Yield Analysis
Nobuyuki YOSHIKAWA Kaoru YONEYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/01/25
Vol. E83-C  No. 1  pp. 75-80
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Devices and Systems)
Category: Digital Applications
Keyword: 
RSFQ logic circuitssingle flux quantumsuperconducting circuitscircuit optimizationcenter-of-gravity methodcircuit yieldMonte Carlo yield analysis
 Summary | Full Text:PDF(888KB)

Design Considerations of Data-Driven Self-Timed RSFQ Adder Circuits
Nobuyuki YOSHIKAWA Hiroshi TAGO Kaoru YONEYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/10/25
Vol. E81-C  No. 10  pp. 1618-1626
Type of Manuscript:  INVITED PAPER (Special Issue on Low- and High-Temperature Superconductive Electron Devices and Their Applications)
Category: Digital Applications
Keyword: 
RSFQ logic circuitssingle flux quantumsuperconducting circuitshigh-speed integrated circuitsadder
 Summary | Full Text:PDF(708.1KB)

Possibility of N-Superconductivity in Cytochrome-c3 2-Dimensional System
Masataka SUGAHARA Wataru TAKANO Katsumi NIKI Nobuo HANEJI Nobuyuki YOSHIKAWA Katsuhiro IRIE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 423-424
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Superconductivity Electronics
Keyword: 
 Summary | Full Text:PDF(96.7KB)