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Paper Abstract and Keywords
Presentation 2008-12-20 10:45
[Invited Talk] Emission and detection using two dimensional plasma oscillations in nanometer transistors and their applications to terahertz imaging
Abdelouahad El Fatimy, Tetsuya Suemitsu, Taiichi Otsuji (Tohoku Univ.), P. Mounaix, J. C. Delagnes (Univ. Bordeaux), Wojciech Knap, Nina Dyakonova (Univ. Montpellier2) ED2008-194 Link to ES Tech. Rep. Archives: ED2008-194
Abstract (in Japanese) (See Japanese page) 
(in English) We present recent results on terahertz emission/detection utilizing two-dimensional plasmons in different types of InGaAs/InP, GaAs/AlGaAs and GaN/AlGaN nanometric high electron mobility transistors. The emission frequencies correspond to the estimated characteristic plasma wave frequencies and the emission exhibits threshold behavior against the drain bias, indicating instability driven coherent self oscillation. For detection, gate lengths below 100 nm in InGaAs/InP systems allow for a resonant voltage tunable detection at frequencies up to 3 THz. By using those devices we demonstrate experimental evidence of the plasma wave imaging at room temperature. Presented devices will become efficient future detectors/sources for terahertz imaging especially if they are integrated in detector/source arrays.
Keyword (in Japanese) (See Japanese page) 
(in English) two-dimensional plasmon / terahertz / transistor / instability / imaging / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 369, ED2008-194, pp. 47-52, Dec. 2008.
Paper # ED2008-194 
Date of Issue 2008-12-12 (ED) 
ISSN Print edition: ISSN 0913-5685  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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ED2008-194 Link to ES Tech. Rep. Archives: ED2008-194

Conference Information
Committee ED  
Conference Date 2008-12-19 - 2008-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Millimeter-wave, THz-wave Devices and Systems 
Paper Information
Registration To ED 
Conference Code 2008-12-ED 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Emission and detection using two dimensional plasma oscillations in nanometer transistors and their applications to terahertz imaging 
Sub Title (in English)  
Keyword(1) two-dimensional plasmon  
Keyword(2) terahertz  
Keyword(3) transistor  
Keyword(4) instability  
Keyword(5) imaging  
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Keyword(7)  
Keyword(8)  
1st Author's Name Abdelouahad El Fatimy  
1st Author's Affiliation RIEC Tohoku University (Tohoku Univ.)
2nd Author's Name Tetsuya Suemitsu  
2nd Author's Affiliation RIEC Tohoku University (Tohoku Univ.)
3rd Author's Name Taiichi Otsuji  
3rd Author's Affiliation RIEC Tohoku University (Tohoku Univ.)
4th Author's Name P. Mounaix  
4th Author's Affiliation CNRS, Universite Bordeaux (Univ. Bordeaux)
5th Author's Name J. C. Delagnes  
5th Author's Affiliation CNRS, Universite Bordeaux (Univ. Bordeaux)
6th Author's Name Wojciech Knap  
6th Author's Affiliation Univ. Montpellier2 (Univ. Montpellier2)
7th Author's Name Nina Dyakonova  
7th Author's Affiliation Univ. Montpellier2 (Univ. Montpellier2)
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Speaker
Date Time 2008-12-20 10:45:00 
Presentation Time 40 
Registration for ED 
Paper # IEICE-ED2008-194 
Volume (vol) IEICE-108 
Number (no) no.369 
Page pp.47-52 
#Pages IEICE-6 
Date of Issue IEICE-ED-2008-12-12 


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