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Paper Abstract and Keywords
Presentation 2014-12-23 10:05
Broadband characteristics of plasmonic terahertz detection using asymmetric dual-grating-gate high-electron-mobility transistors
Akira Satou, Stephane Bobanga Tombet, Takayuki Watanabe, Tetsuya Kawasaki, Tetsuya Suemitsu (Tohoku Univ.), Denis V Fateev, Vyacheslav V Popov (IREE), Hiroaki Minamide, Hiromasa Ito (RIKEN), Dominique Coquillat, Wojciech Knap (Univ. Montpellier 2), Guillaume Ducournau (IEMN), Taiichi Otsuji (Tohoku Univ.) ED2014-109
Abstract (in Japanese) (See Japanese page) 
(in English) We compare the measured broadband characteristics of the responsivity of asymmetric dual-grating-gate high-electron-mobility transistors in the terahertz range and theoretically predicted characteristics. Using the hydrodynamic model, we show that the plasmonic drag and ratchet effects originating from hydrodynamic nonlinearities of plasmons take place due to the asymmetric placement of the grating gates, and we derive the analytical expressions of DC photocurrents generated by these effects. We show that the photocurrent due to the plasmonic drag effect is dominant in the low-frequency range, whereas the photocurrent due to the plasmonic ratchet effect is dominant in the high-frequency range. We demonstrate that the measured broadband characteristic of the responsivity agrees well with the theory.
Keyword (in Japanese) (See Japanese page) 
(in English) HEMT / plasmon / THz detection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 387, ED2014-109, pp. 63-67, Dec. 2014.
Paper # ED2014-109 
Date of Issue 2014-12-15 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee ED  
Conference Date 2014-12-22 - 2014-12-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ED 
Conference Code 2014-12-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Broadband characteristics of plasmonic terahertz detection using asymmetric dual-grating-gate high-electron-mobility transistors 
Sub Title (in English)  
Keyword(1) HEMT  
Keyword(2) plasmon  
Keyword(3) THz detection  
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1st Author's Name Akira Satou  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Stephane Bobanga Tombet  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Takayuki Watanabe  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Tetsuya Kawasaki  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Tetsuya Suemitsu  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Denis V Fateev  
6th Author's Affiliation Kotelnikov Institute of Radio Engineering and Electronics (Saratov Branch) (IREE)
7th Author's Name Vyacheslav V Popov  
7th Author's Affiliation Kotelnikov Institute of Radio Engineering and Electronics (Saratov Branch) (IREE)
8th Author's Name Hiroaki Minamide  
8th Author's Affiliation RIKEN (RIKEN)
9th Author's Name Hiromasa Ito  
9th Author's Affiliation RIKEN (RIKEN)
10th Author's Name Dominique Coquillat  
10th Author's Affiliation Universite Montpellier 2 (Univ. Montpellier 2)
11th Author's Name Wojciech Knap  
11th Author's Affiliation Universite Montpellier 2 (Univ. Montpellier 2)
12th Author's Name Guillaume Ducournau  
12th Author's Affiliation Institut d'Electronique, de Microelectronique et de Nanotechnologie (IEMN)
13th Author's Name Taiichi Otsuji  
13th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2014-12-23 10:05:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2014-109 
Volume (vol) vol.114 
Number (no) no.387 
Page pp.63-67 
#Pages 5 
Date of Issue 2014-12-15 (ED) 

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