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Paper Abstract and Keywords
Presentation 2021-08-27 10:55
[Encouragement Talk] Study on key-distillation system with adaptive polar codes in free-space quantum key distribution
Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2021-35
Abstract (in Japanese) (See Japanese page) 
(in English) Quantum key distribution (QKD) is a cryptographic method that has been proven as secure against any physically allowable attack. Satellite QKD, in which QKD is performed by artificial satellites, can get over the difficulty of long distance transmission in optical fiber QKD. However, the quality degradations are expected owing to atmospheric-induced effects in satellite QKD. In this study, we propose an application of polar codes, which are highly capable of error correction, into QKD. We adopt reconciliation efficiency, which show the rate of performance degradation from the Slepian-Wolf bound as performance indicator, to compare the performance of polar codes and LDPC codes by numerical simulations. It is demonstrated that the proposed scheme has superior characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) free space optics / satellite laser communications / quantum key distribution / information reconciliation / polar codes / low-density parity-check codes / Slepian-Wolf coding /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 152, SAT2021-35, pp. 37-42, Aug. 2021.
Paper # SAT2021-35 
Date of Issue 2021-08-19 (SAT) 
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 SAT2021-35

Conference Information
Committee RCS SAT  
Conference Date 2021-08-26 - 2021-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SAT 
Conference Code 2021-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on key-distillation system with adaptive polar codes in free-space quantum key distribution 
Sub Title (in English)  
Keyword(1) free space optics  
Keyword(2) satellite laser communications  
Keyword(3) quantum key distribution  
Keyword(4) information reconciliation  
Keyword(5) polar codes  
Keyword(6) low-density parity-check codes  
Keyword(7) Slepian-Wolf coding  
Keyword(8)  
1st Author's Name Yuma Yamashita  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Hiroyuki Endo  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Shingo Fujita  
3rd Author's Affiliation Nagoya Institute of Technology (NITech)
4th Author's Name Eiji Okamoto  
4th Author's Affiliation Nagoya Institute of Technology (NITech)
5th Author's Name Hideki Takenaka  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Morio Toyoshima  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2021-08-27 10:55:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2021-35 
Volume (vol) vol.121 
Number (no) no.152 
Page pp.37-42 
#Pages 6 
Date of Issue 2021-08-19 (SAT) 

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