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Paper Abstract and Keywords
Presentation 2018-01-29 14:55
WDM-PON with Wavelength Reuse Employing Semiconductor Optical Amplifier and Fabry-Perot Ethalon -- Automatic Tuning of Etalon and Experiments on Bi-Directional Transmission --
Takuya Izumisawa, Yoshiki Ikeda, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science)
Abstract (in Japanese) (See Japanese page) 
(in English) Wavelength-reuse is a technique for WDM-PON that realizes color-less optical network units (ONUs), where the downstream signal light is used as a seed light of the upstream signal. The authors have proposed a wavelength-reuse technique utilizing a Fabry-Perot ethalon (FP) and a semiconductor optical amplifier (SOA), where the FP and the SOA are used for suppressing high and low frequency components, respectively. In this paper, the authors report a system that automatically tunes the transmission band of FP to downstream signal wavelength, and describe the effect of the automatic band tuning on transmission characteristics. From the results of the experiment, it was found that tuning time of the proposed system increases with the amount of wavelength shift of downstream signal. The tuning time increased by approximately two seconds for one-gigahertz increase in frequency shift. It took about 53 seconds for the system to become stable in case of 15.3-gigahertz frequency shift. Results of the bi-directional transmission experiment show that automatic band tuning system operates with a power penalty of 1 dB or less compared with the case of fully-tuned transmission band.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Access Networks / WDM-PON / Wavelength-Reuse / Semiconductor Optical Amplifier / Fabry-Perot Ethalon / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 423, OCS2017-68, pp. 7-12, Jan. 2018.
Paper # OCS2017-68 
Date of Issue 2018-01-22 (OCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee CS OCS  
Conference Date 2018-01-29 - 2018-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime University 
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 2018-01-CS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) WDM-PON with Wavelength Reuse Employing Semiconductor Optical Amplifier and Fabry-Perot Ethalon 
Sub Title (in English) Automatic Tuning of Etalon and Experiments on Bi-Directional Transmission 
Keyword(1) Optical Access Networks  
Keyword(2) WDM-PON  
Keyword(3) Wavelength-Reuse  
Keyword(4) Semiconductor Optical Amplifier  
Keyword(5) Fabry-Perot Ethalon  
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1st Author's Name Takuya Izumisawa  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Yoshiki Ikeda  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Kariyawasam Indipalage Amila Sampath  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
4th Author's Name Joji Maeda  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker
Date Time 2018-01-29 14:55:00 
Presentation Time 25 
Registration for OCS 
Paper # IEICE-OCS2017-68 
Volume (vol) IEICE-117 
Number (no) no.423 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-OCS-2018-01-22 


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