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Paper Abstract and Keywords
Presentation 2020-11-12 16:25
Wave front compensation method for output signal in volume hologram demultiplexer
Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-25
Abstract (in Japanese) (See Japanese page) 
(in English) Volume Hologram mode De-Multiplexer (VHDM) using Volume Hologram (VH) is extremely cost effective because it can multiplex and separate mode-division multiplex signals at once, and is expected to be put into practical use. However, it has been reported that due to the limitation of the physical diffraction efficiency of VH, a coupling loss of about -1.3 dB occurs when demodulating from the higher-order mode to the basic mode. In this study, we tried to recover the dissipated power by displaying the phase obtained by the deconvolution method on the spatial light modulator on numerical simulation. As a result, coupling power was improved by up to 1.72 dB with respect to SMF, and the signal power could be compensated.
Keyword (in Japanese) (See Japanese page) 
(in English) Space Division Multiplexing / Mode Division Multiplexing / Mode Demultiplexer / Volume Hologram / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 229, OCS2020-25, pp. 11-14, Nov. 2020.
Paper # OCS2020-25 
Date of Issue 2020-11-05 (OCS) 
ISSN Online edition: ISSN 2432-6380
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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 OFT ITE-BCT OCS IEE-CMN  
Conference Date 2020-11-10 - 2020-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2020-11-OFT-BCT-OCS-CMN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wave front compensation method for output signal in volume hologram demultiplexer 
Sub Title (in English)  
Keyword(1) Space Division Multiplexing  
Keyword(2) Mode Division Multiplexing  
Keyword(3) Mode Demultiplexer  
Keyword(4) Volume Hologram  
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1st Author's Name Hotaka Hayashi  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Atsushi Okamoto  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Taketoshi Takahata  
3rd Author's Affiliation OPTOQUEST Co., Ltd. (OPTOQUEST)
4th Author's Name Satoshi Shinada  
4th Author's Affiliation National Institute of Information Communications Technology (NICT)
5th Author's Name Yuta Goto  
5th Author's Affiliation National Institute of Information Communications Technology (NICT)
6th Author's Name Naoya Wada  
6th Author's Affiliation National Institute of Information Communications Technology (NICT)
7th Author's Name Kazuhisa Ogawa  
7th Author's Affiliation Hokkaido University (Hokkaido Univ.)
8th Author's Name Akihisa Tomita  
8th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2020-11-12 16:25:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2020-25 
Volume (vol) vol.120 
Number (no) no.229 
Page pp.11-14 
#Pages
Date of Issue 2020-11-05 (OCS) 


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