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Paper Abstract and Keywords
Presentation 2023-01-20 13:20
[Invited Talk] A majority-booster gate and its application in adiabatic quantum-flux-parametron circuits
Wataru Komiya, Naoki Takeuchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama National Univ.) SCE2022-13
Abstract (in Japanese) (See Japanese page) 
(in English) Adiabatic quantum-flux-parametron (AQFP) circuits express logic by means of a small current so that logic gates are required to have a high driving ability to prevent logic inversion from thermal noise.
Majority gate (MAJ) , which is a basic logic gate in AQFP logic, have a challenge of its low driving ability.
We have proposed a MAJ having a high driving composed of an conventional MAJ and booster gate, and have shown that the driving power of the MAJ is about 10 times higher than that of a conventional MAJ at 5 GHz.
In this study, we have demonstrated the logic propagation of long wiring length of about 2 mm and the operation of a full adder using the newly designed MAJ at 100 kHz operation under liquid helium.
Keyword (in Japanese) (See Japanese page) 
(in English) AQFP / majority / driving ability / booster / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 347, SCE2022-13, pp. 1-5, Jan. 2023.
Paper # SCE2022-13 
Date of Issue 2023-01-13 (SCE) 
ISSN Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SCE2022-13

Conference Information
Committee SCE  
Conference Date 2023-01-20 - 2023-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Superconducting Electronics 
Paper Information
Registration To SCE 
Conference Code 2023-01-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A majority-booster gate and its application in adiabatic quantum-flux-parametron circuits 
Sub Title (in English)  
Keyword(1) AQFP  
Keyword(2) majority  
Keyword(3) driving ability  
Keyword(4) booster  
1st Author's Name Wataru Komiya  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Naoki Takeuchi  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
3rd Author's Name Yuki Yamanashi  
3rd Author's Affiliation Yokohama National University (Yokohama National Univ.)
4th Author's Name Nobuyuki Yoshikawa  
4th Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2023-01-20 13:20:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2022-13 
Volume (vol) vol.122 
Number (no) no.347 
Page pp.1-5 
Date of Issue 2023-01-13 (SCE) 

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