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Paper Abstract and Keywords
Presentation 2018-10-19 09:55
Fundamental investigation of mode maintaining strongly coupled waveguide
Kantaro Fujimoto, Kiichi Hamamoto, Haisong Jiang (Kyushu Univ.) OCS2018-41 OPE2018-77 LQE2018-66 Link to ES Tech. Rep. Archives: OPE2018-77 LQE2018-66
Abstract (in Japanese) (See Japanese page) 
(in English) Mode division multiplexing (MDM) has been widely researched to realize much higher transmission capacity. As mode crosstalk may occur on MDM transmission, most of the research reports have relied on MIMO processing. While non-MIMO transmission is desirable at a short distance communication such as a data center and others as MIMO processing result in a certain latency in addition to the processor cost.
In this research, we report about mode maintaining behavior on strongly coupled waveguide. One main cause of its crosstalk has been another mode excitation phenomenon, in addition to the original mode, at bending waveguide. Excitation of another modes in bending waveguide is due to multi-mode waveguide width change against propagation light, so the mode maintaining effect is expected by utilizing strongly coupled multiple narrow waveguides. BPM method was used for the analysis. As a result, it was confirmed that the mode maintainability of the strongly coupled waveguide is higher than that of the regular multimode waveguide at the same waveguide width.
Keyword (in Japanese) (See Japanese page) 
(in English) strongly coupled waveguide / mode crosstalk / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 253, LQE2018-66, pp. 71-74, Oct. 2018.
Paper # LQE2018-66 
Date of Issue 2018-10-11 (OCS, OPE, LQE) 
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 OCS2018-41 OPE2018-77 LQE2018-66 Link to ES Tech. Rep. Archives: OPE2018-77 LQE2018-66

Conference Information
Committee OPE LQE OCS  
Conference Date 2018-10-18 - 2018-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To LQE 
Conference Code 2018-10-OPE-LQE-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental investigation of mode maintaining strongly coupled waveguide 
Sub Title (in English)  
Keyword(1) strongly coupled waveguide  
Keyword(2) mode crosstalk  
1st Author's Name Kantaro Fujimoto  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Kiichi Hamamoto  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Haisong Jiang  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
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Date Time 2018-10-19 09:55:00 
Presentation Time 25 
Registration for LQE 
Paper # IEICE-OCS2018-41,IEICE-OPE2018-77,IEICE-LQE2018-66 
Volume (vol) IEICE-118 
Number (no) no.251(OCS), no.252(OPE), no.253(LQE) 
Page pp.71-74 
#Pages IEICE-4 
Date of Issue IEICE-OCS-2018-10-11,IEICE-OPE-2018-10-11,IEICE-LQE-2018-10-11 

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