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Paper Abstract and Keywords
Presentation 2014-06-26 10:50
Costas Loop Homodyne detection for 20Gbit/s QPSK signal transmission
Yusuke Shigeta, Akira Mizutori, Masafumi Koga (Oita Univ.) OCS2014-12
Abstract (in Japanese) (See Japanese page) 
(in English) The optical fiber transmission experiment confirmed a stable Costas-Loop homodyne detection for 20Gbit/s QPSK signal. Summation, distraction, and multiply processes in the Costas-Loop were configured by only digital balanced circuits of limiting amplifiers and Exclusive OR, and this configuration achieved a high sensitivity of phase error detection. A loop filter involved in the Costas-Loop was designed to compensate the phase rotation at around red to blue shift frequency range in a laser diode FM response. Owing to these two design essentials, we successfully demonstrated stable Homodyne detection for 20Gbit/s QPSK signal transmission of over 100km (800ps/nm chromatic dispersion).
Keyword (in Japanese) (See Japanese page) 
(in English) Homodyne detection / PLL / QPSK / Costas loop / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 108, OCS2014-12, pp. 1-4, June 2014.
Paper # OCS2014-12 
Date of Issue 2014-06-19 (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 OCS2014-12

Conference Information
Committee PN NS OCS  
Conference Date 2014-06-26 - 2014-06-27 
Place (in Japanese) (See Japanese page) 
Place (in English) B-ConPlaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) TBD 
Paper Information
Registration To OCS 
Conference Code 2014-06-PN-NS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Costas Loop Homodyne detection for 20Gbit/s QPSK signal transmission 
Sub Title (in English)  
Keyword(1) Homodyne detection  
Keyword(2) PLL  
Keyword(3) QPSK  
Keyword(4) Costas loop  
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1st Author's Name Yusuke Shigeta  
1st Author's Affiliation Oita University (Oita Univ.)
2nd Author's Name Akira Mizutori  
2nd Author's Affiliation Oita University (Oita Univ.)
3rd Author's Name Masafumi Koga  
3rd Author's Affiliation Oita University (Oita Univ.)
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Speaker
Date Time 2014-06-26 10:50:00 
Presentation Time 25 
Registration for OCS 
Paper # IEICE-OCS2014-12 
Volume (vol) IEICE-114 
Number (no) no.108 
Page pp.1-4 
#Pages IEICE-4 
Date of Issue IEICE-OCS-2014-06-19 


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