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Paper Abstract and Keywords
Presentation 2023-11-16 15:30
[Invited Talk] Free-space optical communications using photonic-crystal surface-emitting lasers
Shota Ishimura (KDDI Research.), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research.), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research.), Susumu Noda (Kyoto Univ.) PN2023-41
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, the application of optical communication in space has been actively discussed. Compared to microwaves or millimeter waves, the higher carrier frequency of light enables high-capacity data transmission, and the fact that light itself is not subject to licensing or regulation increases the freedom of communication. Indeed, the application of optical communication in satellite-to-satellite and satellite-to-ground communication is currently being actively examined. Meanwhile, we have proposed a new free-space optical communication system for these satellite communications, using a photonic crystal surface-emitting laser (PCSEL). Unlike conventional semiconductor lasers, PCSELs oscillate over significantly large areas while maintaining single-mode lasing, enabling watt-class output power. In this invited paper, based on the latest experimental results, we discuss how these features of PCSELs can be applied to satellite communications.
Keyword (in Japanese) (See Japanese page) 
(in English) Photonic crystal surface-emitting laser / free-space optical communication / satellite communication / frequency modulation / coherent detection / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 267, PN2023-41, pp. 27-32, Nov. 2023.
Paper # PN2023-41 
Date of Issue 2023-11-09 (PN) 
ISSN 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 PN  
Conference Date 2023-11-16 - 2023-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PN 
Conference Code 2023-11-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Free-space optical communications using photonic-crystal surface-emitting lasers 
Sub Title (in English)  
Keyword(1) Photonic crystal surface-emitting laser  
Keyword(2) free-space optical communication  
Keyword(3) satellite communication  
Keyword(4) frequency modulation  
Keyword(5) coherent detection  
Keyword(6)  
Keyword(7)  
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1st Author's Name Shota Ishimura  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research.)
2nd Author's Name Ryohei Morita  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Takuya Inoue  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Kosuke Nishimura  
4th Author's Affiliation KDDI Research, Inc. (KDDI Research.)
5th Author's Name Hidenori Takahashi  
5th Author's Affiliation KDDI Research, Inc. (KDDI Research.)
6th Author's Name Takehiro Tsuritani  
6th Author's Affiliation KDDI Research, Inc. (KDDI Research.)
7th Author's Name Menaka De Zoysa  
7th Author's Affiliation Kyoto University (Kyoto Univ.)
8th Author's Name Kenji Ishizaki  
8th Author's Affiliation Kyoto University (Kyoto Univ.)
9th Author's Name Masatoshi Suzuki  
9th Author's Affiliation KDDI Research, Inc. (KDDI Research.)
10th Author's Name Susumu Noda  
10th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2023-11-16 15:30:00 
Presentation Time 50 minutes 
Registration for PN 
Paper # PN2023-41 
Volume (vol) vol.123 
Number (no) no.267 
Page pp.27-32 
#Pages 6 
Date of Issue 2023-11-09 (PN) 

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