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Paper Abstract and Keywords
Presentation 2013-12-17 14:10
Ultrahigh Sensitive and Frequency-Tunable Terahertz Detection by Asymmetric Dual-Grating-Gate HEMTs
Tetsuya Kawasaki, Shinya Hatakeyama, Yuki Kurita (Tohoku Univ.), Guillaume Ducournau (IEMN), Dominique Coquillat (Univ. Montpellier 2 & CNRS), Kengo Kobayashi, Akira Satou (Tohoku Univ.), Yahya M. Meziani (Univ. Salamanca), Vyacheslav. V. Popov (Kotelnikov Inst. Radio Eng. Electron), Wojciech Knap (Univ. Montpellier 2 & CNRS), Tetsuya Suemitsu, Taiichi Otsuji (Tohoku Univ.) ED2013-107 Link to ES Tech. Rep. Archives: ED2013-107
Abstract (in Japanese) (See Japanese page) 
(in English) We report on ultrahigh sensitive and frequency-tunable terahertz (THz) detectors by our original asymmetric dual-grating gate high electron mobility transistors (A-DGG HEMTs) based on hydrodynamic nonlinearities of two-dimensional (2D) plasmons. We obtained the record-breaking responsivities exceeding 20 kV/W at 200 GHz and 292 GHz at room temperature by contributing nonlinear rectification response and excellent coupling efficiency provided by the structure. In addition, we successfully observed the resonant-type behavior at a cryogenic temperature. This indicates the potentiality of frequency-tunable ultrahigh-sensitive THz detection.
Keyword (in Japanese) (See Japanese page) 
(in English) Plasmon / Terahertz / Detection / 2DEG / HEMT / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 357, ED2013-107, pp. 97-100, Dec. 2013.
Paper # ED2013-107 
Date of Issue 2013-12-09 (ED) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
Download PDF ED2013-107 Link to ES Tech. Rep. Archives: ED2013-107

Conference Information
Committee ED  
Conference Date 2013-12-16 - 2013-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Research Institute of Electrical Communication Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Millimeter wave, terahertz wave devices and systems 
Paper Information
Registration To ED 
Conference Code 2013-12-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Ultrahigh Sensitive and Frequency-Tunable Terahertz Detection by Asymmetric Dual-Grating-Gate HEMTs 
Sub Title (in English)  
Keyword(1) Plasmon  
Keyword(2) Terahertz  
Keyword(3) Detection  
Keyword(4) 2DEG  
Keyword(5) HEMT  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tetsuya Kawasaki  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Shinya Hatakeyama  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Yuki Kurita  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Guillaume Ducournau  
4th Author's Affiliation Institut d'Electronique, de Microélectronique et de Nanotechnologie (IEMN)
5th Author's Name Dominique Coquillat  
5th Author's Affiliation Universite Montpellier 2 &CNRS (Univ. Montpellier 2 & CNRS)
6th Author's Name Kengo Kobayashi  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
7th Author's Name Akira Satou  
7th Author's Affiliation Tohoku University (Tohoku Univ.)
8th Author's Name Yahya M. Meziani  
8th Author's Affiliation Universidad de Salamanca (Univ. Salamanca)
9th Author's Name Vyacheslav. V. Popov  
9th Author's Affiliation Kotelnikov Institute of Radio Engineering and Electronics (Kotelnikov Inst. Radio Eng. Electron)
10th Author's Name Wojciech Knap  
10th Author's Affiliation Universite Montpellier 2 &CNRS (Univ. Montpellier 2 & CNRS)
11th Author's Name Tetsuya Suemitsu  
11th Author's Affiliation Tohoku University (Tohoku Univ.)
12th Author's Name Taiichi Otsuji  
12th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2013-12-17 14:10:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2013-107 
Volume (vol) vol.113 
Number (no) no.357 
Page pp.97-100 
#Pages
Date of Issue 2013-12-09 (ED) 


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