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Paper Abstract and Keywords
Presentation 2008-07-11 12:05
Spectral Narrowing Effect of a Novel Super-Grating Dual-Gate Structure for Plasmon-Resonant Terahertz Emitter
Takuya Nishimura, Nobuhiro Magome, HyunChul Kang, Taiichi Otsuji (Tohoku Univ.) ED2008-80 SDM2008-99
Abstract (in Japanese) (See Japanese page) 
(in English) We’ve proposed a 2-dimensional (2D) plasmon resonant emitter incorporating a super-grating dual-gate (SGG) structure. Since the drain bias causes a linear potential slope from the source to drain, the electron densities in periodically distributed 2D plasmon cavities are dispersed, resulting in undesirable spectral broadening. A SGG structure can compensate for the electron density distribution by modulating the grating dimension. The finite difference time domain simulation confirms its spectral narrowing effect. Within a wide detuning range for the gate and drain biases giving a frequency shifting of +/-0.5 THz from an optimum condition, the SGG structure can preserve the spectral narrowing effect.
Keyword (in Japanese) (See Japanese page) 
(in English) Terahertz / Plasmon Resonance / Emitter / Dispersion Control / Grating Dimension / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 121, ED2008-80, pp. 217-220, July 2008.
Paper # ED2008-80 
Date of Issue 2008-07-02 (ED, SDM) 
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)
Download PDF ED2008-80 SDM2008-99

Conference Information
Committee SDM ED  
Conference Date 2008-07-09 - 2008-07-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Kaderu２・７ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 2008 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices 
Paper Information
Registration To ED 
Conference Code 2008-07-SDM-ED 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Spectral Narrowing Effect of a Novel Super-Grating Dual-Gate Structure for Plasmon-Resonant Terahertz Emitter 
Sub Title (in English)  
Keyword(1) Terahertz  
Keyword(2) Plasmon Resonance  
Keyword(3) Emitter  
Keyword(4) Dispersion Control  
Keyword(5) Grating Dimension  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Takuya Nishimura  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Nobuhiro Magome  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name HyunChul Kang  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Taiichi Otsuji  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2008-07-11 12:05:00 
Presentation Time 15 minutes 
Registration for ED 
Paper # ED2008-80, SDM2008-99 
Volume (vol) vol.108 
Number (no) no.121(ED), no.122(SDM) 
Page pp.217-220 
#Pages 4 
Date of Issue 2008-07-02 (ED, SDM) 

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