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Paper Abstract and Keywords
Presentation 2025-10-24 09:55
Scalable reservoir computing connected via tapped delay lines and its application to fiber-optic nonlinearity compensation
Soya Shimomura, Kai Ikuta, Tsuyoshi Yamada, Takumi Yamamoto, Shunya Uchide (Meiji Univ.), Takahide Sakamoto (Tokyo Metropolitan Univ.), Naokatsu Yamamoto (NICT), Moriya Nakamura (Meiji Univ.) OCS2025-36 OPE2025-83 LQE2025-38
Abstract (in Japanese) (See Japanese page) 
(in English) Reservoir computing (RC) can be implemented with optical hardware to achieve high speed and low power consumption; however, scaling up and enlarging the time-constant of RC remains a major challenge. To address this issue, we proposed a Split-input Multi-Reservoirs (SMR) configuration, in which small-scale RCs are connected in parallel via tapped delays. This configuration allows signals that input to the RCs through tapped delays to be separated in the time domain, thereby suppressing excessive mixing of temporally broadened signals within the reservoirs. In this work, we evaluate the nonlinear equalization performance of the SMR configuration and discuss its application to optical nonlinear compensation in fiber transmission systems.
Keyword (in Japanese) (See Japanese page) 
(in English) Reservoir Computing / Nonlinear Equalizer / Optical Nonlinearity / Optical Fiber Transmission / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 211, OCS2025-36, pp. 56-61, Oct. 2025.
Paper # OCS2025-36 
Date of Issue 2025-10-16 (OCS, OPE, LQE) 
ISSN Online edition: ISSN 2432-6380
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Download PDF OCS2025-36 OPE2025-83 LQE2025-38

Conference Information
Committee OCS OPE LQE  
Conference Date 2025-10-23 - 2025-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2025-10-OCS-OPE-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Scalable reservoir computing connected via tapped delay lines and its application to fiber-optic nonlinearity compensation 
Sub Title (in English)  
Keyword(1) Reservoir Computing  
Keyword(2) Nonlinear Equalizer  
Keyword(3) Optical Nonlinearity  
Keyword(4) Optical Fiber Transmission  
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1st Author's Name Soya Shimomura  
1st Author's Affiliation Meiji University (Meiji Univ.)
2nd Author's Name Kai Ikuta  
2nd Author's Affiliation Meiji University (Meiji Univ.)
3rd Author's Name Tsuyoshi Yamada  
3rd Author's Affiliation Meiji University (Meiji Univ.)
4th Author's Name Takumi Yamamoto  
4th Author's Affiliation Meiji University (Meiji Univ.)
5th Author's Name Shunya Uchide  
5th Author's Affiliation Meiji University (Meiji Univ.)
6th Author's Name Takahide Sakamoto  
6th Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
7th Author's Name Naokatsu Yamamoto  
7th Author's Affiliation National Institute of Information and Communications Technology (NICT)
8th Author's Name Moriya Nakamura  
8th Author's Affiliation Meiji University (Meiji Univ.)
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Speaker Author-1 
Date Time 2025-10-24 09:55:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2025-36, OPE2025-83, LQE2025-38 
Volume (vol) vol.125 
Number (no) no.211(OCS), no.212(OPE), no.213(LQE) 
Page pp.56-61 
#Pages 6 
Date of Issue 2025-10-16 (OCS, OPE, LQE) 

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