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Paper Abstract and Keywords
Presentation 2023-03-02 17:00
Rapid Optimization of Input Power to Optical Fiber Transmission Lines Considering Stimulated Raman Scattering in C + L Multiband Wavelength-Division-Multiplexed Networks
Kenta Hirose, Hiroki Sakuma, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Takashi Miyamura, Takeshi Kuwahara (NTT) PN2022-71
Abstract (in Japanese) (See Japanese page) 
(in English) Power transition induced by inter-channel stimulated Raman scattering (ISRS) in optical fibers affects signal quality, and this makes input-power optimization for maximizing signal quality difficult on multiband wavelength-division-multiplexed (WDM) networks. In this research, we propose the fast input-power optimization method on C + L multiband transmission. First, generalized signal-to-noise ratio (GSNR) is used as the indicator for evaluating both channels excessively affected by linear noise and ones excessively affected by non-linear interference. Then, input-power is optimized for maximizing GSNR. The optimization is two-phased: (1) maximizing the worst channel GSNR on condition that optical signal-to-noise ratio (OSNR) is flat in all channels, (2) flattening GSNR in all channels by lowering the input-power of channels with excessive GSNR relaxing formerly-flattened OSNR. Moreover, we show efficacy of the proposal method confirmed by numerical calculation with the differential equation formulating ISRS. Concretely, we demonstrate 0.08 dB degradation of the worst-channel GSNR compared to the offset-tilt brute-force method while reducing calculation costs by using only one-variable optimization.
Keyword (in Japanese) (See Japanese page) 
(in English) photonic network / wavelength division multiplexing / multiband transmission / inter-channel stimulated Raman scattering / power optimization / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 398, PN2022-71, pp. 155-158, March 2023.
Paper # PN2022-71 
Date of Issue 2023-02-22 (PN) 
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 PN2022-71

Conference Information
Committee PN  
Conference Date 2023-03-01 - 2023-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PN 
Conference Code 2023-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Rapid Optimization of Input Power to Optical Fiber Transmission Lines Considering Stimulated Raman Scattering in C + L Multiband Wavelength-Division-Multiplexed Networks 
Sub Title (in English)  
Keyword(1) photonic network  
Keyword(2) wavelength division multiplexing  
Keyword(3) multiband transmission  
Keyword(4) inter-channel stimulated Raman scattering  
Keyword(5) power optimization  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kenta Hirose  
1st Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
2nd Author's Name Hiroki Sakuma  
2nd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
3rd Author's Name Takafumi Fukatani  
3rd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
4th Author's Name Masahiro Nakagawa  
4th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
5th Author's Name Takeshi Seki  
5th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
6th Author's Name Takashi Miyamura  
6th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
7th Author's Name Takeshi Kuwahara  
7th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
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Speaker Author-1 
Date Time 2023-03-02 17:00:00 
Presentation Time 20 minutes 
Registration for PN 
Paper # PN2022-71 
Volume (vol) vol.122 
Number (no) no.398 
Page pp.155-158 
#Pages 4 
Date of Issue 2023-02-22 (PN) 

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