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Paper Abstract and Keywords
Presentation 2007-07-20 14:15
Phase Synchronization in Optical Coherent Detection with Digital Signal Processing
Hisao Nakashima (FJL), Lei Li (Fujitsu Research & Development Center), Takeshi Hoshida, Akihiko Isomura, Takahito Tanimura, Shoichiro Oda, Jens C. Rasmussen (FJL), Zhenning Tao (Fujitsu Research & Development Center) OCS2007-28
Abstract (in Japanese) (See Japanese page) 
(in English) Phase synchronization is one of the important technique in coherent receiver employing digital signal processing which is expected to applied to over-40Gbit/s optical transmission system. In this paper, two phase synchronization methods, i.e phase lock loop/feed-back and phase estimation/feed-forward methods, are compared both in synchronization performance and hardware implementation aspects. We demonstrate the feed-forward phase synchronization technique in an experiment using 43Gbit/s RZ-QPSK signal and confirmed that the frequency offset tolerance between signal light and local oscillator can be improved by optimization of block size.
Keyword (in Japanese) (See Japanese page) 
(in English) 40Gbit/s / coherent receiver / digital signal processing / phase synchronization / phase look loop / phase estimation / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 153, OCS2007-28, pp. 43-48, July 2007.
Paper # OCS2007-28 
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)
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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) Phase Synchronization in Optical Coherent Detection with Digital Signal Processing 
Sub Title (in English)  
Keyword(1) 40Gbit/s  
Keyword(2) coherent receiver  
Keyword(3) digital signal processing  
Keyword(4) phase synchronization  
Keyword(5) phase look loop  
Keyword(6) phase estimation  
Keyword(7)  
Keyword(8)  
1st Author's Name Hisao Nakashima  
1st Author's Affiliation FUJITSU LABORATORIES LTD. (FJL)
2nd Author's Name Lei Li  
2nd Author's Affiliation Fujitsu Research & Development Center, Beijing, China (Fujitsu Research & Development Center)
3rd Author's Name Takeshi Hoshida  
3rd Author's Affiliation FUJITSU LABORATORIES LTD. (FJL)
4th Author's Name Akihiko Isomura  
4th Author's Affiliation FUJITSU LABORATORIES LTD. (FJL)
5th Author's Name Takahito Tanimura  
5th Author's Affiliation FUJITSU LABORATORIES LTD. (FJL)
6th Author's Name Shoichiro Oda  
6th Author's Affiliation FUJITSU LABORATORIES LTD. (FJL)
7th Author's Name Jens C. Rasmussen  
7th Author's Affiliation FUJITSU LABORATORIES LTD. (FJL)
8th Author's Name Zhenning Tao  
8th Author's Affiliation Fujitsu Research & Development Center, Beijing, China (Fujitsu Research & Development Center)
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Speaker Author-1 
Date Time 2007-07-20 14:15:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2007-28 
Volume (vol) vol.107 
Number (no) no.153 
Page pp.43-48 
#Pages 6 
Date of Issue 2007-07-13 (OCS) 

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