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| Presentation | 2018-01-31 11:45 Improvement of a package for stable operation of the SFQ-based 64-ch event-driven encoder in a 0.1-W GM cryocooler Shigeyuki Miyajima, Masahiro Yabuno (NICT), Taro Yamashita (NICT/JST), Shigehito Miki (NICT/Kobe Univ.), Hirotaka Terai (NICT)  SCE2017-36 Link to ES Tech. Rep. Archives: SCE2017-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We designed a single-flux-quantum (SFQ) based 64-ch event-driven encoder, which can obtain both the spatial and temporal information simultaneously, for a single-photon imaging system using a superconducting nanowire signal photon detector (SSPD), and improved a package of the SFQ chip for stable operation of the circuits in a 0.1-W Gifford-McMahon (GM) cryocooler. The designed SFQ-based encoder has 64-input ports and can handle a 64-pixel SSPD array. The critical currents of Josephson junctions (JJs) of the SFQ-based encoder were reduced to as half as the conventional design for reduction of the DC bias currents for the SFQ circuits. The total number of JJs is 2550 and the required bias currents are less than 200 mA. However, the operation of the circuits was unstable because of the Joule heat. In this article, we report the design of the 64-ch SFQ-based event-driven encoder and the experimental results of the circuits using an improved package for the SFQ chip in a 0.1-W GM cryocooler. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | superconducting nanowire single photon detector / single flux quantum circuit / single photon imaging system / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 428, SCE2017-36, pp. 27-32, Jan. 2018. | |
| Paper # | SCE2017-36 | |
| Date of Issue | 2018-01-24 (SCE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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 | SCE2017-36 Link to ES Tech. Rep. Archives: SCE2017-36 |
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| Conference Information | |
| Committee | SCE |
| Conference Date | 2018-01-31 - 2018-01-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | SQUID, high frequency, sensing technologies and their applications, etc. |
| Paper Information | |
| Registration To | SCE |
| Conference Code | 2018-01-SCE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improvement of a package for stable operation of the SFQ-based 64-ch event-driven encoder in a 0.1-W GM cryocooler |
| Sub Title (in English) | |
| Keyword(1) | superconducting nanowire single photon detector |
| Keyword(2) | single flux quantum circuit |
| Keyword(3) | single photon imaging system |
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| 1st Author's Name | Shigeyuki Miyajima |
| 1st Author's Affiliation | National Institute of Information and Communications Techonolgy (NICT) |
| 2nd Author's Name | Masahiro Yabuno |
| 2nd Author's Affiliation | National Institute of Information and Communications Techonolgy (NICT) |
| 3rd Author's Name | Taro Yamashita |
| 3rd Author's Affiliation | National Institute of Information and Communications Techonolgy/JST (NICT/JST) |
| 4th Author's Name | Shigehito Miki |
| 4th Author's Affiliation | honolgy/Kobe University (NICT/Kobe Univ.) |
| 5th Author's Name | Hirotaka Terai |
| 5th Author's Affiliation | National Institute of Information and Communications Techonolgy (NICT) |
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| Speaker | Author-1 |
| Date Time | 2018-01-31 11:45:00 |
| Presentation Time | 25 minutes |
| Registration for | SCE |
| Paper # | SCE2017-36 |
| Volume (vol) | vol.117 |
| Number (no) | no.428 |
| Page | pp.27-32 |
| #Pages | 6 |
| Date of Issue | 2018-01-24 (SCE) |
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