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Paper Abstract and Keywords
Presentation 2019-01-17 13:15
A Study on Wavelength-Reuse WDM-PON using Reflective Semiconductor Optical Amplifier and Fabry-Perot Etalon
Takumi Shibata, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2018-70
Abstract (in Japanese) (See Japanese page) 
(in English) Wavelength-reuse using gain saturation of reflective semiconductor optical amplifier (RSOA) has been proposed as a colorless technology for optical network unit (ONU) in WDM-PON, though this method cannot be applied to 10-Gbps class systems due to the slow response of gain saturation of RSOAs. In this paper, we experimentally studied a wavelength-reuse system where the modulation component of the downstream signal was suppressed in the ONU by using an RSOA assisted by a Fabry-Perot etalon (FP). We used a FP with a bandwidth of 1.5 GHz in full-width at half maximum and an RSOA composed of a travelling-wave semiconductor optical amplifier (SOA) and a Faraday rotator mirror (FRM). Experimental results showed that the bit error rate (BER) of the upstream signal was increased as compared with the previous reports employing two traveling-wave SOAs [5-6], and the requirement for the downstream signal became severe to suppress the modulation component. The minimum received power at ONU that achieves BER less than 10-4 was -13.5 dBm with the extinction ratio of the downstream signal of 4.0 dB. Comparing these values with the previous report [6], the minimum received power was increased by 1.5 dB while the extinction ratio was decreased by 2.6 dB. These differences would be attributed to the frequency dependence of downstream signal suppression caused by several meters of pigtail fibers connecting the travelling-wave SOA and the FRM.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Fiber Communications / Optical Access Networks / WDM-PON / Wavelength-Reuse / Reflective Semiconductor Optical Amplifier / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 394, OCS2018-70, pp. 13-18, Jan. 2019.
Paper # OCS2018-70 
Date of Issue 2019-01-10 (OCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee OCS CS  
Conference Date 2019-01-17 - 2019-01-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Nobumoto Ohama Memorial Hall (Ishigaki Island) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Core and metro system, Submarine telecommunications system, Optical access system and next generation PON, Ethernet, Optical Transport Network (OTN), Transmission monitoring and control, Design and tool for optical transmission system, Co-operation between optical and mobile, etc. 
Paper Information
Registration To OCS 
Conference Code 2019-01-OCS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Wavelength-Reuse WDM-PON using Reflective Semiconductor Optical Amplifier and Fabry-Perot Etalon 
Sub Title (in English)  
Keyword(1) Optical Fiber Communications  
Keyword(2) Optical Access Networks  
Keyword(3) WDM-PON  
Keyword(4) Wavelength-Reuse  
Keyword(5) Reflective Semiconductor Optical Amplifier  
1st Author's Name Takumi Shibata  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kariyawasam Indipalage Amila Sampath  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Joji Maeda  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Date Time 2019-01-17 13:15:00 
Presentation Time 25 
Registration for OCS 
Paper # IEICE-OCS2018-70 
Volume (vol) IEICE-118 
Number (no) no.394 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-OCS-2019-01-10 

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