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| Presentation | 2022-05-26 15:50 Construction of high-efficient information reconciliation method using polar codes and adaptive post selection for continuous-variable quantum key distribution Yamaura Kensuke (NITech), Endo Hiroyuki (NICT), Yamashita Yuma, Okamoto Eiji (NITech), Toyoshima Morio (NICT)  WBS2022-11 RCC2022-11 SAT2022-11 MICT2022-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Quantum key distribution using optical laser satellites has currently been attracting attention for its information-theoretic security in cryptographic communications. Conventional studies have shown that keys can be shared more efficiently by using polar codes in information matching, which generates shared keys from shared random numbers transmitted through quantum communication channels. However, the conventional studies were conducted in the field of discrete-variable quantum key distribution, and there had been few studies on techniques to improve the efficiency of key sharing in the field of continuous-variable quantum key distribution, that can be implemented at a lower cost and with a higher compatibility to optical laser satellites. Therefore, in this paper, we propose an application of polar codes for continuous quantum key distribution and a new information reconciliation method that improves sharing efficiency by applying an "elimination" region and adaptively changing the region width when making bit decisions. Numerical results show that the proposed method can achieve higher efficiency in key sharing than conventional information reconciliation methods. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | continuous-variable quantum key distribution / information reconciliation / polar code / post selection / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 44, SAT2022-11, pp. 52-57, May 2022. | |
| Paper # | SAT2022-11 | |
| Date of Issue | 2022-05-18 (WBS, RCC, SAT, MICT) | |
| ISSN | 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 | WBS2022-11 RCC2022-11 SAT2022-11 MICT2022-11 |
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| Conference Information | |
| Committee | RCC WBS SAT MICT |
| Conference Date | 2022-05-25 - 2022-05-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Joint Meeting of RCC, WBS, SAT, and MICT |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2022-05-RCC-WBS-SAT-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Construction of high-efficient information reconciliation method using polar codes and adaptive post selection for continuous-variable quantum key distribution |
| Sub Title (in English) | |
| Keyword(1) | continuous-variable quantum key distribution |
| Keyword(2) | information reconciliation |
| Keyword(3) | polar code |
| Keyword(4) | post selection |
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| 1st Author's Name | Yamaura Kensuke |
| 1st Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 2nd Author's Name | Endo Hiroyuki |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Yamashita Yuma |
| 3rd Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 4th Author's Name | Okamoto Eiji |
| 4th Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 5th Author's Name | Toyoshima Morio |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2022-05-26 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | WBS2022-11, RCC2022-11, SAT2022-11, MICT2022-11 |
| Volume (vol) | vol.122 |
| Number (no) | no.42(WBS), no.43(RCC), no.44(SAT), no.45(MICT) |
| Page | pp.52-57 |
| #Pages | 6 |
| Date of Issue | 2022-05-18 (WBS, RCC, SAT, MICT) |
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