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Paper Abstract and Keywords
Presentation 2022-07-19 14:55
Frequency stabilization of THz sources by electro-optic detection using modulator-based optical comb sources
Isao Morohashi, Tadashi Kishimoto, Norihiko Sekine, Iwao Hosako (NICT) EMT2022-26 MW2022-50 OPE2022-29 EST2022-27 MWPTHz2022-24
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we report on frequency stabilization of continuous terahertz (THz) sources by electro-optic (EO) detection using optical combs. The proposed method is based on heterodyne with optical combs as the local signal. Optical combs generated from a Mach-Zehnder-modulator-based flat comb generator (MZ-FCG) was mixed with THz waves on an EO crystal. By feeding back beat signals between them through a PLL circuit, THz sources are phase-locked. By using this method, we successfully demonstrated phase-locking of a Gunn oscillator operating at 104 GHz, in which the linewidth of THz waves was narrowed down to less than 1 Hz.
Keyword (in Japanese) (See Japanese page) 
(in English) electro-optic detection / optical comb / optical heterodyne / phase-locked loop / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 121, MWPTHz2022-24, pp. 91-94, July 2022.
Paper # MWPTHz2022-24 
Date of Issue 2022-07-12 (EMT, MW, OPE, EST, MWPTHz) 
ISSN 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 EMT2022-26 MW2022-50 OPE2022-29 EST2022-27 MWPTHz2022-24

Conference Information
Committee MWPTHz EST MW EMT OPE IEE-EMT  
Conference Date 2022-07-19 - 2022-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Asahikawa Civic Culture Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To MWPTHz 
Conference Code 2022-07-MWPTHz-EST-MW-EMT-OPE-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frequency stabilization of THz sources by electro-optic detection using modulator-based optical comb sources 
Sub Title (in English)  
Keyword(1) electro-optic detection  
Keyword(2) optical comb  
Keyword(3) optical heterodyne  
Keyword(4) phase-locked loop  
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1st Author's Name Isao Morohashi  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Tadashi Kishimoto  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Norihiko Sekine  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Iwao Hosako  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2022-07-19 14:55:00 
Presentation Time 25 minutes 
Registration for MWPTHz 
Paper # EMT2022-26, MW2022-50, OPE2022-29, EST2022-27, MWPTHz2022-24 
Volume (vol) vol.122 
Number (no) no.117(EMT), no.118(MW), no.119(OPE), no.120(EST), no.121(MWPTHz) 
Page pp.91-94 
#Pages 4 
Date of Issue 2022-07-12 (EMT, MW, OPE, EST, MWPTHz) 

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