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Paper Abstract and Keywords
Presentation 2015-05-21 15:15
Broadband near-infrared light source based on self-assembled InAs quantum dots for optical coherence tomography
Nobuhiko Ozaki, Takuma Yasuda, Hiroshi Shibata (Wakayama Univ.), Shunsuke Ohkouchi (NEC Corp.), Eiichiro Watanabe, Hirotaka Ohsato, Naoki Ikeda, Yoshimasa Sugimoto (NIMS), Richard Hogg (Univ. Sheffield) LQE2015-5
Abstract (in Japanese) (See Japanese page) 
(in English) A broadband near-infrared light source based on self-assembled InAs quantum dots (QDs) with controlled emission wavelengths was developed for optical coherence tomography (OCT). A current-driven light source including four layers of QDs with different emission wavelengths exhibits a broadband (85-nm-bandwidth) emission centered at approximately 1.2μm with a Gaussian-like spectral shape at room temperature. The axial resolution estimated by a coherence function obtained from the EL spectrum was approximately 6.5 μm in air and no apparent side lobes appeared beside a peak of the coherence function, indicating the effectiveness of the QD based light source for high-resolution, noise-reduced OCT imaging.
Keyword (in Japanese) (See Japanese page) 
(in English) Self-assembled InAs quantum dot / MBE / Near-infrared broadband light source / OCT / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 46, LQE2015-5, pp. 25-28, May 2015.
Paper # LQE2015-5 
Date of Issue 2015-05-14 (LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 LQE LSJ  
Conference Date 2015-05-21 - 2015-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2015-05-LQE-LSJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Broadband near-infrared light source based on self-assembled InAs quantum dots for optical coherence tomography 
Sub Title (in English)  
Keyword(1) Self-assembled InAs quantum dot  
Keyword(2) MBE  
Keyword(3) Near-infrared broadband light source  
Keyword(4) OCT  
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1st Author's Name Nobuhiko Ozaki  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Takuma Yasuda  
2nd Author's Affiliation Wakayama University (Wakayama Univ.)
3rd Author's Name Hiroshi Shibata  
3rd Author's Affiliation Wakayama University (Wakayama Univ.)
4th Author's Name Shunsuke Ohkouchi  
4th Author's Affiliation NEC Corporation (NEC Corp.)
5th Author's Name Eiichiro Watanabe  
5th Author's Affiliation National Institute for Materials Science (NIMS)
6th Author's Name Hirotaka Ohsato  
6th Author's Affiliation National Institute for Materials Science (NIMS)
7th Author's Name Naoki Ikeda  
7th Author's Affiliation National Institute for Materials Science (NIMS)
8th Author's Name Yoshimasa Sugimoto  
8th Author's Affiliation National Institute for Materials Science (NIMS)
9th Author's Name Richard Hogg  
9th Author's Affiliation Univeristy of Sheffield (Univ. Sheffield)
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Speaker Author-1 
Date Time 2015-05-21 15:15:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # LQE2015-5 
Volume (vol) vol.115 
Number (no) no.46 
Page pp.25-28 
#Pages 4 
Date of Issue 2015-05-14 (LQE) 

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