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Paper Abstract and Keywords
Presentation 2026-06-04 11:10
[Invited Lecture] [Invited Lecture] Advances in All-dielectric Waveguides for Terahertz Integration
Nguyen H. Ngo, Weijie Gao, Yuta Inose, Daiki Ichikawa, Masayuki Fujita (Univ. of Osaka) SRW2026-2 MWPTHz2026-2
Abstract (in Japanese) (See Japanese page) 
(in English) In response to growing demands for faster and more efficient connectivity in advanced information and communications technology, terahertz waves (0.1–10 THz) are becoming indispensable for ultra-high-speed data transmission owing to their broad bandwidth with high transparency. In chip-to-chip communications, terahertz waves provide a promising approach to achieve large data capacity with improved energy efficiency, effectively bridging the gap between electrical and optical domains. By realizing this potential, all-dielectric waveguides have emerged as high-speed interconnects, offering broad bandwidth and low-loss characteristics, while being compatible with planar integration. In this paper, we review different types of terahertz substrateless all-dielectric waveguides, including photonic-crystal, effective-medium-clad, and slot structures, and further highlight recent progress in implementing these guiding principles in the development of passive functional components, such as multiplexers and combiners. Besides, the integration of all-dielectric waveguide-based devices with active semiconductor devices achieves efficient coupling, thereby enabling high-data-rate transmission. In combination with 3D-printing technology, non-metallic transceiver modules facilitate robust packaging with low-cost and rapid production. These advancements enable compact platforms based on terahertz silicon photonics, paving the way for high-speed operation and large-scale integration in efficient terahertz systems.
Keyword (in Japanese) (See Japanese page) 
(in English) Terahertz / dielectric waveguide / silicon photonics / effective medium / slot waveguide / photonic crystal / integrated system /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 56, MWPTHz2026-2, pp. 6-6, June 2026.
Paper # MWPTHz2026-2 
Date of Issue 2026-05-28 (SRW, 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 SRW2026-2 MWPTHz2026-2

Conference Information
Committee SRW MWPTHz  
Conference Date 2026-06-04 - 2026-06-05 
Place (in Japanese) (See Japanese page) 
Place (in English) NICT Innovation center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) MWPTHz, WLAN, WPAN, Ad-hoc, mmWave, THz, etc. 
Paper Information
Registration To MWPTHz 
Conference Code 2026-06-SRW-MWPTHz 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) [Invited Lecture] Advances in All-dielectric Waveguides for Terahertz Integration 
Sub Title (in English)  
Keyword(1) Terahertz  
Keyword(2) dielectric waveguide  
Keyword(3) silicon photonics  
Keyword(4) effective medium  
Keyword(5) slot waveguide  
Keyword(6) photonic crystal  
Keyword(7) integrated system  
Keyword(8)  
1st Author's Name Nguyen H. Ngo  
1st Author's Affiliation The University of Osaka (Univ. of Osaka)
2nd Author's Name Weijie Gao  
2nd Author's Affiliation The University of Osaka (Univ. of Osaka)
3rd Author's Name Yuta Inose  
3rd Author's Affiliation The University of Osaka (Univ. of Osaka)
4th Author's Name Daiki Ichikawa  
4th Author's Affiliation The University of Osaka (Univ. of Osaka)
5th Author's Name Masayuki Fujita  
5th Author's Affiliation The University of Osaka (Univ. of Osaka)
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Speaker Author-1 
Date Time 2026-06-04 11:10:00 
Presentation Time 25 minutes 
Registration for MWPTHz 
Paper # SRW2026-2, MWPTHz2026-2 
Volume (vol) vol.126 
Number (no) no.55(SRW), no.56(MWPTHz) 
Page p.6 
#Pages 1 
Date of Issue 2026-05-28 (SRW, MWPTHz) 

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