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Paper Abstract and Keywords
Presentation 2026-07-10 10:25
Integrated Millimeter-Wave Electro-Optic Modulator Based on Electric-LC Resonator Metasurfaces and Its Applications to Dielectric Sensor
Rizadi Sasmita Darwis, Yui Otagaki, Hiroshi Murata (Mie Univ.) EMT2026-40 MW2026-63 OPE2026-46 EST2026-44 MWPTHz2026-55
Abstract (in Japanese) (See Japanese page) 
(in English) We present a metasurface-based electro-optic (EO) modulator utilizing an electric-LC (ELC) resonator architecture. By integrating the ELC metasurface onto a lithium niobate (LiNbO3) crystal, we developed a device that maintains high electromagnetic transparency. This transparency allows irradiated wireless signals to pass through the structure, offering a versatile platform for future wireless communication systems. In addition to optical modulation for wireless-optical signal conversion, we found that ELC resonators exhibit high sensitivity to environmental changes via dielectric loading. Placing a dielectric material on the resonator surface modifies the localized capacitance within the ELC gaps, resulting in a predictable shift of the resonance frequency toward lower values. By utilizing this phenomenon, we can dynamically tune the EO modulator's frequency response, effectively transforming it into a high-sensitivity sensor. Our results demonstrate a multifunctional platform that bridges the gap between signal modulation and dielectric sensing for millimeter-wave applications.
Keyword (in Japanese) (See Japanese page) 
(in English) Electro-optic modulator / Metasurface / Millimeter-wave / Electric-LC resonator / / LiNbO3 / Dielectric loading /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 100, MWPTHz2026-55, pp. 194-198, July 2026.
Paper # MWPTHz2026-55 
Date of Issue 2026-07-02 (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 EMT2026-40 MW2026-63 OPE2026-46 EST2026-44 MWPTHz2026-55

Conference Information
Committee OPE EST MWPTHz MW EMT IEE-EMT  
Conference Date 2026-07-09 - 2026-07-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Kushiro Chamber of Commerce and Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To MWPTHz 
Conference Code 2026-07-OPE-EST-MWPTHz-MW-EMT-EMT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Integrated Millimeter-Wave Electro-Optic Modulator Based on Electric-LC Resonator Metasurfaces and Its Applications to Dielectric Sensor 
Sub Title (in English)  
Keyword(1) Electro-optic modulator  
Keyword(2) Metasurface  
Keyword(3) Millimeter-wave  
Keyword(4) Electric-LC resonator  
Keyword(5)  
Keyword(6) LiNbO3  
Keyword(7) Dielectric loading  
Keyword(8)  
1st Author's Name Rizadi Sasmita Darwis  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Yui Otagaki  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Hiroshi Murata  
3rd Author's Affiliation Mie University (Mie Univ.)
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Speaker Author-1 
Date Time 2026-07-10 10:25:00 
Presentation Time 25 minutes 
Registration for MWPTHz 
Paper # EMT2026-40, MW2026-63, OPE2026-46, EST2026-44, MWPTHz2026-55 
Volume (vol) vol.126 
Number (no) no.96(EMT), no.97(MW), no.98(OPE), no.99(EST), no.100(MWPTHz) 
Page pp.194-198 
#Pages 5 
Date of Issue 2026-07-02 (EMT, MW, OPE, EST, MWPTHz) 

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