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| Presentation | 2019-04-19 11:25 Input sensitivity of adiabatic quantum-flux-parametron interface for readout of superconducting nanowire single photon detectors Fumihiro China (NICT), Naoki Takeuchi (YNU), Shigehito Miki, Shigeyuki Miyajima, Masahiro Yabuno, Hirotaka Terai (NICT)  SCE2019-5 Link to ES Tech. Rep. Archives: SCE2019-5 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have been investigating the signal interface for readout of superconducting nanowire single-photon detectors (SSPDs) using adiabatic quantum-flux-parametron (AQFP). AQFP can be serially driven by alternative current, so the amount of bias current for driving AQFP does not increase even if the circuit scale increases. AQFP is a promising candidate for the readout interface for SSPD arrays. In this study, we investigate the input current sensitivity of AQFP interfaces systematically. The output line of SSPD was divided into two; one is connected to the AQFP interface and another is directly readout by room temperature electronics. By comparing the output counts from these two readout channels, we estimate the input signal sensitivity of AQFP interface. We observed the output signals via the AQFP interface even when the bias current for the SSPD was reduced down to 10 $mu$A. This result means that the AQFP interface can detect the signal current of approximately 5 $mu$A because the half of the bias current flows to AQFP interface. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | superconducting nanowire single-photon detector / adiabatic quantum-flux-parametron / cryocooler / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 10, SCE2019-5, pp. 23-28, April 2019. | |
| Paper # | SCE2019-5 | |
| Date of Issue | 2019-04-12 (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 | SCE2019-5 Link to ES Tech. Rep. Archives: SCE2019-5 |
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| Conference Information | |
| Committee | SCE |
| Conference Date | 2019-04-19 - 2019-04-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SCE |
| Conference Code | 2019-04-SCE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Input sensitivity of adiabatic quantum-flux-parametron interface for readout of superconducting nanowire single photon detectors |
| Sub Title (in English) | |
| Keyword(1) | superconducting nanowire single-photon detector |
| Keyword(2) | adiabatic quantum-flux-parametron |
| Keyword(3) | cryocooler |
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| 1st Author's Name | Fumihiro China |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Naoki Takeuchi |
| 2nd Author's Affiliation | Yokohama National University (YNU) |
| 3rd Author's Name | Shigehito Miki |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Shigeyuki Miyajima |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Masahiro Yabuno |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 6th Author's Name | Hirotaka Terai |
| 6th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2019-04-19 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | SCE |
| Paper # | SCE2019-5 |
| Volume (vol) | vol.119 |
| Number (no) | no.10 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2019-04-12 (SCE) |
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