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Paper Abstract and Keywords
Presentation 2007-01-26 15:15
An Investigation of a Novel Bias Control Technique for CSRZ Transmitter using Backward-Traveling light
Chie Hasegawa, Nobuhiko Kikuchi, Kenro Sekine, Shinya Sasaki (HITACHI) OCS2006-87
Abstract (in Japanese) (See Japanese page) 
(in English) When LN(LiNbO3)modulators are used in an ultra-fast optical transmitter, it is necessary to control the bias voltage in order to suppress the waveform distortion due to drift of the extinction characteristics. In non-return-to-zero (NRZ) scheme, a general monitoring technique for the optimum bias voltage is to maximize the forward output power from the modulator. On the other hand, in the case of carrier-suppressed return-to-zero(CSRZ) signal, which is one of the modulation formats for high-speed long distance transmission, the forward output power depends on the driving amplitude, therefore, the control sensitivity would be reduced. In this paper, we propose a novel bias control technique for CSRZ transmitter using backward-traveling light, and investigate dependence of the driving amplitude. And we demonstrate the effectiveness of the proposed method with the experiment of 10-Gbit/s CSRZ signal.
Keyword (in Japanese) (See Japanese page) 
(in English) modulation format / CSRZ / LN Modulator / bias-drift / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 493, OCS2006-87, pp. 73-78, Jan. 2007.
Paper # OCS2006-87 
Date of Issue 2007-01-18 (OCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 NS OCS  
Conference Date 2007-01-25 - 2007-01-26 
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 2007-01-NS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Investigation of a Novel Bias Control Technique for CSRZ Transmitter using Backward-Traveling light 
Sub Title (in English)  
Keyword(1) modulation format  
Keyword(2) CSRZ  
Keyword(3) LN Modulator  
Keyword(4) bias-drift  
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Keyword(6)  
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1st Author's Name Chie Hasegawa  
1st Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (HITACHI)
2nd Author's Name Nobuhiko Kikuchi  
2nd Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (HITACHI)
3rd Author's Name Kenro Sekine  
3rd Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (HITACHI)
4th Author's Name Shinya Sasaki  
4th Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (HITACHI)
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Speaker Author-1 
Date Time 2007-01-26 15:15:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2006-87 
Volume (vol) vol.106 
Number (no) no.493 
Page pp.73-78 
#Pages 6 
Date of Issue 2007-01-18 (OCS) 

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