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Paper Abstract and Keywords
Presentation 2006-10-13 10:05
Gain Fluctuation Characteristic of the high-speed EDFA based on digital controlled circuit
Hideaki Yusa, Shinobu Tamaoki, Tetsufumi Tsuzaki, Yoshiyuki Suetsugu (Sumitomo Electric) OFT2006-35
Abstract (in Japanese) (See Japanese page) 
(in English) Wavelength division multiplexing (WDM) systems are evolving photonic networks employing reconfigurable optical add/drop multiplexers (ROADM) and optical cross-connects (OXC), in order to improve reliability and effectiveness. In such networks, high-speed automatic controlled erbium-doped fiber amplifiers (EDFAs) are required to suppress the dynamic gain fluctuation caused by adding or dropping channels. Therefore, we have improved the fiber parameter of EDF, and evaluated the effect on the transient response. And at the same time, we develop the superior high-speed EDFAs with several operating method (AGC/ALC/ACC), based on digital controlled circuit. The high-speed EDFAs in AGC method, the dynamic gain excursion can be suppressed about 0.3dB, when the input power is changed by 16 dB, corresponding to the loss or addition of 39 out of the 40 channels.
Keyword (in Japanese) (See Japanese page) 
(in English) Erbium-doped fiber amplifier / Automatic Gain Control / Transient response / High-speed control / Digital circuit / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 286, OFT2006-35, pp. 13-16, Oct. 2006.
Paper # OFT2006-35 
Date of Issue 2006-10-06 (OFT) 
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 OFT  
Conference Date 2006-10-13 - 2006-10-13 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To OFT 
Conference Code 2006-10-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Gain Fluctuation Characteristic of the high-speed EDFA based on digital controlled circuit 
Sub Title (in English)  
Keyword(1) Erbium-doped fiber amplifier  
Keyword(2) Automatic Gain Control  
Keyword(3) Transient response  
Keyword(4) High-speed control  
Keyword(5) Digital circuit  
1st Author's Name Hideaki Yusa  
1st Author's Affiliation Sumitomo Electric Industries, LTD. (Sumitomo Electric)
2nd Author's Name Shinobu Tamaoki  
2nd Author's Affiliation Sumitomo Electric Industries, LTD. (Sumitomo Electric)
3rd Author's Name Tetsufumi Tsuzaki  
3rd Author's Affiliation Sumitomo Electric Industries, LTD. (Sumitomo Electric)
4th Author's Name Yoshiyuki Suetsugu  
4th Author's Affiliation Sumitomo Electric Industries, LTD. (Sumitomo Electric)
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Speaker Author-1 
Date Time 2006-10-13 10:05:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2006-35 
Volume (vol) vol.106 
Number (no) no.286 
Page pp.13-16 
Date of Issue 2006-10-06 (OFT) 

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