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Paper Abstract and Keywords
Presentation 2014-07-18 10:45
On construction of connected channel and its quantum capacity
Hiromi Ito, Noboru Watanabe (TUS) IT2014-30
Abstract (in Japanese) (See Japanese page) 
(in English) A connected channel of which efficiency of information transmission has been discussed in [1] has the structure that multiple quantum channels are connected and the output and loss of the previous channel turn into input and noise of the next channel, respectively.
In this study, we use it for expressing a channel such as optical fiber.
We give the states of input and noise for a connected channel by two dimensional orthonormal basis and calculate its quantum mutual entropy and quantum capacity.
We discuss a difference between the classical systems and quantum systems from the view point of mutual entropy.
Keyword (in Japanese) (See Japanese page) 
(in English) quantum channel / quantum mutual entropy / quantum capacity / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 138, IT2014-30, pp. 107-110, July 2014.
Paper # IT2014-30 
Date of Issue 2014-07-10 (IT) 
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 IT2014-30

Conference Information
Committee IT  
Conference Date 2014-07-17 - 2014-07-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kobe University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) freshman session, general 
Paper Information
Registration To IT 
Conference Code 2014-07-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On construction of connected channel and its quantum capacity 
Sub Title (in English)  
Keyword(1) quantum channel  
Keyword(2) quantum mutual entropy  
Keyword(3) quantum capacity  
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1st Author's Name Hiromi Ito  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Noboru Watanabe  
2nd Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2014-07-18 10:45:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2014-30 
Volume (vol) vol.114 
Number (no) no.138 
Page pp.107-110 
#Pages 4 
Date of Issue 2014-07-10 (IT) 

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