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IEICE Trans

Hirotaka TERAI

Single-Flux-Quantum Based Coincidence Circuits Using Nb/AlOx/Nb Josephson Junctions with Critical Current Density of 10 kA/cm2
Shigeyuki MIYAJIMA Hirotaka TERAI Shigehito MIKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/06/01
Vol. E108-C  No. 6  pp. 342-347
Type of Manuscript:  INVITED PAPER (Special Section on Expanding Superconducting Digital Circuit Applications and Their Design Technology)
Category: 
Keyword: 
SFQ circuit, SNSPD, coincidence, two-photon interferometer, cryocooler, 
 Summary | Full Text:PDF
A High-Speed Interface Based on a Josephson Latching Driver for Adiabatic Quantum-Flux-Parametron Logic
Fumihiro CHINA Naoki TAKEUCHI Hideo SUZUKI Yuki YAMANASHI Hirotaka TERAI Nobuyuki YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/06/01
Vol. E105-C  No. 6  pp. 264-269
Type of Manuscript:  Special Section PAPER (Special Section on Progress & Trend of Superconductor-based Computers)
Category: 
Keyword: 
superconducting integrated circuits, adiabatic quantum-flux-parametron logic, rapid single-flux-quantum logic, Josephson latching driver, four junction logic gate, 
 Summary | Full Text:PDF
Planarized Nb 4-Layer Fabrication Process for Superconducting Integrated Circuits and Its Fabricated Device Evaluation
Shuichi NAGASAWA Masamitsu TANAKA Naoki TAKEUCHI Yuki YAMANASHI Shigeyuki MIYAJIMA Fumihiro CHINA Taiki YAMAE Koki YAMAZAKI Yuta SOMEI Naonori SEGA Yoshinao MIZUGAKI Hiroaki MYOREN Hirotaka TERAI Mutsuo HIDAKA Nobuyuki YOSHIKAWA Akira FUJIMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 435-445
Type of Manuscript:  Special Section PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
superconducting fabrication technology, Nb/AlOx/Nb Josephson junction, caldera planarization, multi-layer structure, single-flux quantum logic, adiabatic quantum flux parametron logic, cell-based design, diagnostic shift-registers, 
 Summary | Full Text:PDF
Development of Superconducting Devices Supporting Radio Astronomy
Yoshinori UZAWA Matthias KROUG Takafumi KOJIMA Masanori TAKEDA Kazumasa MAKISE Shohei EZAKI Wenlei SHAN Akihira MIYACHI Yasunori FUJII Hirotaka TERAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2021/09/01
Vol. E104-C  No. 9  pp. 411-421
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication of Superconductor Devices; Key Technology in Superconductor Electronics)
Category: 
Keyword: 
radio astronomy, SIS mixers, ALMA Band 10, wideband, multibeam, 
 Summary | Full Text:PDF
Development and Evaluation of Superconducting Nanowire Single-Photon Detectors for 900-1100 nm Photon Detection
Fumihiro CHINA Shigehito MIKI Masahiro YABUNO Taro YAMASHITA Hirotaka TERAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2020/05/01
Vol. E103-C  No. 5  pp. 212-215
Type of Manuscript:  BRIEF PAPER
Category: Superconducting Electronics
Keyword: 
superconductivity, single-photon detectors, SSPD, dielectric multilayer, 
 Summary | Full Text:PDF
Recent Progress and Application of Superconducting Nanowire Single-Photon Detectors
Taro YAMASHITA Shigehito MIKI Hirotaka TERAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2017/03/01
Vol. E100-C  No. 3  pp. 274-282
Type of Manuscript:  INVITED PAPER (Special Section on Leading-Edge Technologies of Superconducting Measurement Systems)
Category: 
Keyword: 
superconductivity, single-photon detector, quantum information, quantum optics, optical communication, life science, 
 Summary | Full Text:PDF
Low-Energy Optical-to-Electrical Converters Based on Superconducting Nanowire for Single-Flux-Quantum Circuits
Kemmei KAJINO Shigehito MIKI Taro YAMASHITA Hirotaka TERAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/03/01
Vol. E98-C  No. 3  pp. 227-231
Type of Manuscript:  INVITED PAPER (Special Section on Leading-Edge Applications and Fundamentals of Superconducting Sensors and Detectors)
Category: 
Keyword: 
superconductor, single photon detector, single-flux-quantum circuit, optical interface, cryocooler implementation, 
 Summary | Full Text:PDF
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: 
SFQ, integrated circuit, interconnection, superconductor, passive transmission line, 
 Summary | Full Text:PDF
All-NbN Single Flux Quantum Circuits Based on NbN/AlN/NbN Tunnel Junctions
Hirotaka TERAI Zhen WANG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/01/25
Vol. E83-C  No. 1  pp. 69-74
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Devices and Systems)
Category: Digital Applications
Keyword: 
NbN integrated circuit, NbN/AlN/NbN tunnel junction, overdumped junction, sheet inductance, SFQ circuit, operating margin, 
 Summary | Full Text:PDF
A High-Tc Superconductor Josephson Sampler
Mutsuo HIDAKA Tetsuro SATOH Hirotaka TERAI Shuichi TAHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/10/25
Vol. E80-C  No. 10  pp. 1226-1232
Type of Manuscript:  INVITED PAPER (Special Issue on Basic Properties and Applications of Superconductive Electron Devices)
Category: 
Keyword: 
high-Tc superconductor, ramp-edge junction, sampler, integrated circuit, groundplane, 
 Summary | Full Text:PDF