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Paper Abstract and Keywords
Presentation 2008-07-17 10:20
Code switching on FBG-based optical correlator using thermoelectric device and microcomputer
Kenta Hosoya, Masanori Hanawa, Nguyen Van Minh, Kazuhiko Nakamura (Univ. of Yamanashi) OCS2008-20
Abstract (in Japanese) (See Japanese page) 
(in English) FBG based optical correlators are low polarization dependent, low loss and highly stable; therefore, those are preferable as encoders/decoders for optical code division multiplexing (OCDM) systems. A FBG, however, is fixed in fabrication; therefore different correlators have to be prepared for different codewords. In this report, a programmable FBG based variable optical correlator (PFVOC), which is able to switch codewords by using thermo electric controllers and a microprocessor, is proposed. Switching codewords in a group of Hadamard code of length four is demonstrated experimentally. Futhermore, from dependencies on surrounding temparature in an air conditioned experimental room, it is shown that BER would be fluctuated in double/triple figures.
Keyword (in Japanese) (See Japanese page) 
(in English) OCDM / FBG / optical correlator / microprocesser / TEC / orthogonal code / thermooptic effect /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 133, OCS2008-20, pp. 1-6, July 2008.
Paper # OCS2008-20 
Date of Issue 2008-07-10 (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 OCS2008-20

Conference Information
Committee OCS  
Conference Date 2008-07-17 - 2008-07-17 
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 2008-07-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Code switching on FBG-based optical correlator using thermoelectric device and microcomputer 
Sub Title (in English)  
Keyword(1) OCDM  
Keyword(2) FBG  
Keyword(3) optical correlator  
Keyword(4) microprocesser  
Keyword(5) TEC  
Keyword(6) orthogonal code  
Keyword(7) thermooptic effect  
Keyword(8)  
1st Author's Name Kenta Hosoya  
1st Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
2nd Author's Name Masanori Hanawa  
2nd Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
3rd Author's Name Nguyen Van Minh  
3rd Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
4th Author's Name Kazuhiko Nakamura  
4th Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
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Speaker Author-1 
Date Time 2008-07-17 10:20:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2008-20 
Volume (vol) vol.108 
Number (no) no.133 
Page pp.1-6 
#Pages 6 
Date of Issue 2008-07-10 (OCS) 

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