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Paper Abstract and Keywords
Presentation 2019-11-27 15:20
[Invited Talk] Quantum Cascade Lasers for sensing applications
Shinji Saito, Rei Hashimoto, Kei Kaneko, Tsutomu Kakuno (Toshiba Co.), Kazuaki Sakoda (NIMS) MWP2019-45
Abstract (in Japanese) (See Japanese page) 
(in English) Quantum cascade lasers (QCLs) are laser devices of generating wide wavelength range from the mid-infrared to the THz range. The mid-infrared region can cover wavelength regions called molecular fingerprint regions, and thus can be used for gas sensing. THz-wave light is transmitted through various materials. Non-destructive sensing applications are expected. Now that a lot of sensing data can be used in various ways using artificial intelligence and machine learning, the need for sensing is increasing. Laser diodes (LDs) have changed from edge-emitting types to surface-emitting types, expanding the range of applications. Also in QCL, a surface emitting type is desirable. In principle, the surface-emitting type QCL cannot be realized with a vertical resonator, but it can be realized with a method using a photonic crystal. This time, we report on the structure using PC.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum Cascade Laser / Terahertz-wave / Photonic Crystal / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 312, MWP2019-45, pp. 13-16, Nov. 2019.
Paper # MWP2019-45 
Date of Issue 2019-11-20 (MWP) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MWP2019-45

Conference Information
Committee MWP  
Conference Date 2019-11-27 - 2019-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Devices 
Paper Information
Registration To MWP 
Conference Code 2019-11-MWP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Quantum Cascade Lasers for sensing applications 
Sub Title (in English)  
Keyword(1) Quantum Cascade Laser  
Keyword(2) Terahertz-wave  
Keyword(3) Photonic Crystal  
1st Author's Name Shinji Saito  
1st Author's Affiliation Toshiba Corpration (Toshiba Co.)
2nd Author's Name Rei Hashimoto  
2nd Author's Affiliation Toshiba Corpration (Toshiba Co.)
3rd Author's Name Kei Kaneko  
3rd Author's Affiliation Toshiba Corpration (Toshiba Co.)
4th Author's Name Tsutomu Kakuno  
4th Author's Affiliation Toshiba Corpration (Toshiba Co.)
5th Author's Name Kazuaki Sakoda  
5th Author's Affiliation National Institute for Materials Science (NIMS)
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Date Time 2019-11-27 15:20:00 
Presentation Time 50 
Registration for MWP 
Paper # IEICE-MWP2019-45 
Volume (vol) IEICE-119 
Number (no) no.312 
Page pp.13-16 
#Pages IEICE-4 
Date of Issue IEICE-MWP-2019-11-20 

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