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Paper Abstract and Keywords
Presentation 2010-12-17 14:10
Contribution of electron-Cooper-pair to the radiative recombination process in superconducting light emitting diode
Hirotaka Sasakura (RIES, Hokkaido Univ.), Kazunori Tanaka (Hamamatsu Photonics K.K.,), Jae-Hoon Huh (RIES, Hokkaido Univ.), Tatsusi Akazaki (NTT Basic Res. Labs.), Hidekazu Kumano, Ikuo Suemune (RIES, Hokkaido Univ.) LQE2010-122
Abstract (in Japanese) (See Japanese page) 
(in English) We experimentally demonstrate Cooper-pair's drastic enhancement of band-to-band radiative recombination rate in a semiconductor. Electron Cooper-pairs injected from a superconducting electrode into an active layer by the proximity effect recombine with holes injected from a p-type electrode. The recombination of a Cooper-pair with p-type carriers dramatically increases the photon generation probability of a light emitting diode in the optical-fiber communication band. The measured radiative recombination lifetime rapidly decreases with decreasing temperature below the superconducting transition temperature of niobium electrodes. Our results indicate the possibility to open up new interdisciplinary fields between superconductivity and optoelectronics.
Keyword (in Japanese) (See Japanese page) 
(in English) Cooper-pair / Light emitting diode / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 353, LQE2010-122, pp. 39-42, Dec. 2010.
Paper # LQE2010-122 
Date of Issue 2010-12-10 (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  
Conference Date 2010-12-17 - 2010-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2010-12-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Contribution of electron-Cooper-pair to the radiative recombination process in superconducting light emitting diode 
Sub Title (in English)  
Keyword(1) Cooper-pair  
Keyword(2) Light emitting diode  
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1st Author's Name Hirotaka Sasakura  
1st Author's Affiliation Hokkaido University (RIES, Hokkaido Univ.)
2nd Author's Name Kazunori Tanaka  
2nd Author's Affiliation Hamamatsu Photonics K.K. (Hamamatsu Photonics K.K.,)
3rd Author's Name Jae-Hoon Huh  
3rd Author's Affiliation Hokkaido University (RIES, Hokkaido Univ.)
4th Author's Name Tatsusi Akazaki  
4th Author's Affiliation NTT Basic Research Laboratories (NTT Basic Res. Labs.)
5th Author's Name Hidekazu Kumano  
5th Author's Affiliation Hokkaido University (RIES, Hokkaido Univ.)
6th Author's Name Ikuo Suemune  
6th Author's Affiliation Hokkaido University (RIES, Hokkaido Univ.)
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Speaker Author-1 
Date Time 2010-12-17 14:10:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # LQE2010-122 
Volume (vol) vol.110 
Number (no) no.353 
Page pp.39-42 
#Pages 4 
Date of Issue 2010-12-10 (LQE) 

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