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Paper Abstract and Keywords
Presentation 2015-11-12 14:30
A study on roll-off factor of Nyquist-PAM4 optical signaling using transmission simulation and estimation of DSP circuit size
Riu Hirai, Nobuhiko Kikuchi (Hitachi) OCS2015-82
Abstract (in Japanese) (See Japanese page) 
(in English) Nyquist spectral shaping is an attractive technique to generate high-speed signals in using band-limited devices, however it is well-known that decrease of roll-off factor for reduction of its signal bandwidth greatly impacts on not only its performance such as optical modulation amplitude but also circuit size of digital signal processing (DSP). In this paper, we numerically investigate the relationship between roll-off factor and transmission performance using optical PAM4 (Pulse Amplitude Modulation) transceiver with/without Nyquist spectral shaping. In addition, we show estimation of DSP circuit in Nyquist-PAM4 transceiver using roll-off factor 0.1 and confirm the possibility to implement on a compact transceiver.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical fiber communication / Nyquist spectral shaping / Multilevel modulation / Digital signal processing / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 305, OCS2015-82, pp. 7-12, Nov. 2015.
Paper # OCS2015-82 
Date of Issue 2015-11-05 (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 OFT IEE-CMN ITE-BCT  
Conference Date 2015-11-12 - 2015-11-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Matsuyama Civic Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2015-11-OCS-OFT-CMN-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on roll-off factor of Nyquist-PAM4 optical signaling using transmission simulation and estimation of DSP circuit size 
Sub Title (in English)  
Keyword(1) Optical fiber communication  
Keyword(2) Nyquist spectral shaping  
Keyword(3) Multilevel modulation  
Keyword(4) Digital signal processing  
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1st Author's Name Riu Hirai  
1st Author's Affiliation Hitachi, Ltd. (Hitachi)
2nd Author's Name Nobuhiko Kikuchi  
2nd Author's Affiliation Hitachi, Ltd. (Hitachi)
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Speaker Author-1 
Date Time 2015-11-12 14:30:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2015-82 
Volume (vol) vol.115 
Number (no) no.305 
Page pp.7-12 
#Pages 6 
Date of Issue 2015-11-05 (OCS) 

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