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Paper Abstract and Keywords
Presentation 2007-07-20 15:20
Feedback Control of Tunable Polarization Mode Dispersion Compensator Using Random Step Size Hill-Climbing Method for Adaptive PMD Compensation
Ken Tanizawa, Akira Hirose (Univ. of Tokyo) OCS2007-30
Abstract (in Japanese) (See Japanese page) 
(in English) Polarization mode dispersion (PMD) is one of the limiting factors to speed-up optical communications. It is also an obstacle to realize all-optical dynamic routing networks as the transmission path changes frequently. In this paper, we propose a new adaptive feedback control of tunable PMD compensator. The method is based on the hill-climbing method, however, the step size changes randomly, unlike the conventional hill-climbing method. The randomness depends on the probability density functions, for example, Gaussian distribution or uniform distribution. We conducted transmission simulations at 40Gb/s and the results show that the proposed method controlled the PMD compensator optimally compared with the conventional hill-climbing method. We also confirmed that the local minimum does not prevent the optimal control by showing all the search space visually.
Keyword (in Japanese) (See Japanese page) 
(in English) Polarization mode dispersion / PMD compensation / adaptive control / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 153, OCS2007-30, pp. 53-58, July 2007.
Paper # OCS2007-30 
Date of Issue 2007-07-13 (OCS) 
ISSN Print edition: ISSN 0913-5685    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 OCS2007-30

Conference Information
Committee OCS  
Conference Date 2007-07-20 - 2007-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Denkoku-No-Mori (Yonezawa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2007-07-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Feedback Control of Tunable Polarization Mode Dispersion Compensator Using Random Step Size Hill-Climbing Method for Adaptive PMD Compensation 
Sub Title (in English)  
Keyword(1) Polarization mode dispersion  
Keyword(2) PMD compensation  
Keyword(3) adaptive control  
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1st Author's Name Ken Tanizawa  
1st Author's Affiliation University of Tokyo (Univ. of Tokyo)
2nd Author's Name Akira Hirose  
2nd Author's Affiliation University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2007-07-20 15:20:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2007-30 
Volume (vol) vol.107 
Number (no) no.153 
Page pp.53-58 
#Pages 6 
Date of Issue 2007-07-13 (OCS) 

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