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Paper Abstract and Keywords
Presentation 2024-11-08 11:15
Quantum-noise-limited distance of transmission systems with EDFA/Raman amplifiers
Kyo Ioue (Osaka Univ.) OCS2024-48
Abstract (in Japanese) (See Japanese page) 
(in English) Fiber Raman amplifiers (FRAs) using transmission lines as amplification media are known to achieve longer transmission distances than erbium-doped fiber amplifiers (EDFAs) in principle, because they enable distributed amplification. However, high pump power is required, and all-FRA systems are hard to implement in practice. Therefore, EDFA/FRA hybrid systems may be a practical solution for long haul transmission. This study theoretically investigates the quantum-limited transmission distance of hybrid EDFA/FRA systems. A formula for quantum noise accumulated during transmission is formalized, and calculations using the derived formula quantitatively indicate how the quantum-limited distance increases with the FRA ratio.
Keyword (in Japanese) (See Japanese page) 
(in English) EDFA / fiber Raman amplification / transmission distance / quantum noise / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 236, OCS2024-48, pp. 25-30, Nov. 2024.
Paper # OCS2024-48 
Date of Issue 2024-10-31 (OCS) 
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 OCS2024-48

Conference Information
Committee OFT OCS IEE-CMN ITE-BCT CQ  
Conference Date 2024-11-07 - 2024-11-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To OCS 
Conference Code 2024-11-OFT-OCS-CMN-BCT-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Quantum-noise-limited distance of transmission systems with EDFA/Raman amplifiers 
Sub Title (in English)  
Keyword(1) EDFA  
Keyword(2) fiber Raman amplification  
Keyword(3) transmission distance  
Keyword(4) quantum noise  
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1st Author's Name Kyo Ioue  
1st Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2024-11-08 11:15:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2024-48 
Volume (vol) vol.124 
Number (no) no.236 
Page pp.25-30 
#Pages 6 
Date of Issue 2024-10-31 (OCS) 

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