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Paper Abstract and Keywords
Presentation 2017-04-24 14:00
[Invited Talk] Bandwidth Doubler for Ultra-Broadband Optical Transmitter
Munehiko Nagatani, Hiroshi Yamazaki, Fukutaro Hamaoka, Hideyuki Nosaka, Yutaka Miyamoto (NTT) PN2017-2
Abstract (in Japanese) (See Japanese page) 
(in English) High-symbol-rate optical transmission schemes with advanced multilevel modulation formats are now attracting a great deal of attention for increasing transmission capacity. Broadband digital-to-analog converters (DACs) are key components for such high-symbol-rate systems. Conventional CMOS-based DACs have limited analog bandwidth and will be one of the major limiting factors for the system capacity. We devised a novel method to double the bandwidth of DACs, which we call a bandwidth doubler, based on an analog multiplexer (AMUX) and a digital preprocessor. We successfully demonstrated a 250-Gb/s IMDD optical transmission and 100-Gbaud-class digital coherent optical transmissions using the bandwidth doubler.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical communication / multilevel modulation / digital-to-analog converter / analog multiplexer / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 12, PN2017-2, pp. 7-12, April 2017.
Paper # PN2017-2 
Date of Issue 2017-04-17 (PN) 
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF PN2017-2

Conference Information
Committee PN  
Conference Date 2017-04-24 - 2017-04-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing, Optical Devices, Optical Systems, Optical Networks, etc. 
Paper Information
Registration To PN 
Conference Code 2017-04-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Bandwidth Doubler for Ultra-Broadband Optical Transmitter 
Sub Title (in English)  
Keyword(1) Optical communication  
Keyword(2) multilevel modulation  
Keyword(3) digital-to-analog converter  
Keyword(4) analog multiplexer  
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1st Author's Name Munehiko Nagatani  
1st Author's Affiliation NTT Corporation (NTT)
2nd Author's Name Hiroshi Yamazaki  
2nd Author's Affiliation NTT Corporation (NTT)
3rd Author's Name Fukutaro Hamaoka  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Hideyuki Nosaka  
4th Author's Affiliation NTT Corporation (NTT)
5th Author's Name Yutaka Miyamoto  
5th Author's Affiliation NTT Corporation (NTT)
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Speaker
Date Time 2017-04-24 14:00:00 
Presentation Time 40 
Registration for PN 
Paper # IEICE-PN2017-2 
Volume (vol) IEICE-117 
Number (no) no.12 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-PN-2017-04-17 


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