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Paper Abstract and Keywords
Presentation 2024-08-07 13:25
Analysis of fidelity in quantum teleportation using squeezed states
Ryota Mizoguchi, Satoshi Iriyama (TUS) IT2024-24
Abstract (in Japanese) (See Japanese page) 
(in English) Quantum teleportation is a communication process in which the sender Alice sends an unknown quantum state to the receiver Bob. Bennett et al. initiated its mathematical study, proposing a method using EPR entangled states. In contrast, achieving stable entangled states is challenging due to decoherence. To realize quantum teleportation, it is necessary to generate an entangled state with nonlocal correlations unique to quantum systems and share it between Alice and Bob in advance. Recently, quantum teleportation using light has been proposed for engineering feasibility, and Miyashita and Watanabe formulated a method using squeezed states and a beam splitter. However, there was a problem with calculating fidelity, which is a measure of communication efficiency. In this paper, we recalculate fidelity considering the phase component of the projection operator. In addition, we compare numerical fidelity calculations before and after the correction and see its impact.
Keyword (in Japanese) (See Japanese page) 
(in English) Squeezed State / Quantum Teleportation / Entangled State / Fidelity / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 147, IT2024-24, pp. 60-65, Aug. 2024.
Paper # IT2024-24 
Date of Issue 2024-07-30 (IT) 
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 IT2024-24

Conference Information
Committee IT  
Conference Date 2024-08-06 - 2024-08-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama University, Tsushima campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Freshman session, General 
Paper Information
Registration To IT 
Conference Code 2024-08-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of fidelity in quantum teleportation using squeezed states 
Sub Title (in English)  
Keyword(1) Squeezed State  
Keyword(2) Quantum Teleportation  
Keyword(3) Entangled State  
Keyword(4) Fidelity  
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1st Author's Name Ryota Mizoguchi  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Satoshi Iriyama  
2nd Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2024-08-07 13:25:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2024-24 
Volume (vol) vol.124 
Number (no) no.147 
Page pp.60-65 
#Pages 6 
Date of Issue 2024-07-30 (IT) 

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