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Paper Abstract and Keywords
Presentation 2016-11-14 16:10
Proposal and demonstration of chromatic dispersion measurement at optical waveguide devices and application for controlling phase of THz wave
Yusuke Yamanaka, Goki Sakano, Jun Haruki, Takeshi Kuboki, Kazutoshi Kato (Kyushu Univ.) MWP2016-52
Abstract (in Japanese) (See Japanese page) 
(in English) Terahertz (THz) wave, whose frequency is raging from 100GHz to 10THz, is one of the candidates of the media for short-distance large-density wireless communication and far infrared imaging. We have studied THz wave generation by phtomixing of two different lightwaves. The uni-traveling carrier photo diode (UTC-PD) as the photomixer has been desired to generate a high power but its saturated power is below the value that we need for practical applications. Our approach to increase THz wave power is combining THz waves in the air by arrayed photomixers. For constructive combination of THz waves, we need to control each phase of the THz waves. We have proposed the THz phase controlling system by tuning the chromatic dispersion at an optical waveguide device. In this report, we measured the chromatic dispersion change at a semiconductor phase modulator by our proposed Mach-Zehnder Interferometric intensity modulation method. We also demonstrated tunability of the phase of THz wave by the modulator.
Keyword (in Japanese) (See Japanese page) 
(in English) THz wave / Photomixing / Phase control / Chromatic dispersion / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 297, MWP2016-52, pp. 51-55, Nov. 2016.
Paper # MWP2016-52 
Date of Issue 2016-11-07 (MWP) 
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 MWP  
Conference Date 2016-11-14 - 2016-11-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) wireless communications, etc. 
Paper Information
Registration To MWP 
Conference Code 2016-11-MWP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal and demonstration of chromatic dispersion measurement at optical waveguide devices and application for controlling phase of THz wave 
Sub Title (in English)  
Keyword(1) THz wave  
Keyword(2) Photomixing  
Keyword(3) Phase control  
Keyword(4) Chromatic dispersion  
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Keyword(6)  
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1st Author's Name Yusuke Yamanaka  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Goki Sakano  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Jun Haruki  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
4th Author's Name Takeshi Kuboki  
4th Author's Affiliation Kyushu University (Kyushu Univ.)
5th Author's Name Kazutoshi Kato  
5th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2016-11-14 16:10:00 
Presentation Time 25 minutes 
Registration for MWP 
Paper # MWP2016-52 
Volume (vol) vol.116 
Number (no) no.297 
Page pp.51-55 
#Pages 5 
Date of Issue 2016-11-07 (MWP) 

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