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Paper Abstract and Keywords
Presentation 2017-08-31 15:55
10-Mode-Multiplexed Transmission over 81km Weakly-coupled Few-mode Fiber with Partial MIMO Equalizers
Daiki Soma, Yuta Wakayama (KDDI Research), Koji Igarashi (Osaka Univ.), Takehiro Tsuritani (KDDI Research) OCS2017-25
Abstract (in Japanese) (See Japanese page) 
(in English) Mode-division multiplexing (MDM) transmission technique using a few-mode fiber (FMF) is attractive for increasing the transmission capacity in a single fiber. Recently, the MDM transmission experiments with a mode multiplicity over 10 have been reported. In these MDM transmission experiments using FMFs, the mode coupling is compensated by a multiple-input multiple-output (MIMO) signal processing at the receiver side. However, since the differential mode delay (DMD) increases with the transmission distance and the number of multiplexed spatial modes, the MIMO signal processing becomes more complicated in longer distance transmission with larger number of spatial modes. In this paper, we show the feasibility study for reduction of the MIMO complexity using weakly-coupled MDM technique, and report our recent demonstrations of a 10-mode multiplexed transmission of 10-Gbaud DP (dual polarisation)-QPSK (quadrature phase shift keying) WDM signals over 81-km weakly-coupled FMF by using highly-mode-selective 10-mode multiplexer/de-multiplexer with a 2x2 or 4x4 partial MIMO processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Space-division multiplexing (SDM) / Mode division multiplexing (MDM) / Weakly-coupled; Few-mode fiber (FMF) / Multiple-input multiple-output (MIMO) / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 196, OCS2017-25, pp. 13-17, Aug. 2017.
Paper # OCS2017-25 
Date of Issue 2017-08-24 (OCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 OCS2017-25

Conference Information
Committee OFT OCS LSJ  
Conference Date 2017-08-31 - 2017-09-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2017-08-OFT-OCS-LSJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 10-Mode-Multiplexed Transmission over 81km Weakly-coupled Few-mode Fiber with Partial MIMO Equalizers 
Sub Title (in English)  
Keyword(1) Space-division multiplexing (SDM)  
Keyword(2) Mode division multiplexing (MDM)  
Keyword(3) Weakly-coupled; Few-mode fiber (FMF)  
Keyword(4) Multiple-input multiple-output (MIMO)  
1st Author's Name Daiki Soma  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research)
2nd Author's Name Yuta Wakayama  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research)
3rd Author's Name Koji Igarashi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Takehiro Tsuritani  
4th Author's Affiliation KDDI Research, Inc. (KDDI Research)
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Speaker Author-1 
Date Time 2017-08-31 15:55:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2017-25 
Volume (vol) vol.117 
Number (no) no.196 
Page pp.13-17 
Date of Issue 2017-08-24 (OCS) 

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