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Paper Abstract and Keywords
Presentation 2020-01-31 16:10
FDTD analysis of mode converters using an insulator-metal-insulator waveguide
Takahiro Suzuki, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.) EST2019-102
Abstract (in Japanese) (See Japanese page) 
(in English) We evaluate mode conversion characteristics of surface plasmon polaritons propagating along insulator-metal-insulator (IMI) waveguides. A two-dimensional (2D) IMI waveguide with an air gap is analyzed using the FDTD method. The IMI waveguide supports two propagating modes, i.e., a long-range (LR) surface plasmon mode and a short-range (SR) surface plasmon mode. It is shown that the air gap placed in the one side of the insulator acts as a phase shifter, leading to a mode conversion. A conversion efficiency of more than 90% is found to be achieved for the conversion from the LR to SR modes and vice versa. Next, we study a three-dimensional metal slab waveguide with an air gap. It is shown that a mode conversion efficiency of about 70% is obtained.
Keyword (in Japanese) (See Japanese page) 
(in English) Surface plasmon polariton (SPP) / Plasmonic device / Insulator-metal-insulator (IMI) waveguides / Finite-difference time-domain (FDTD) method / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 407, EST2019-102, pp. 119-123, Jan. 2020.
Paper # EST2019-102 
Date of Issue 2020-01-23 (EST) 
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 EST2019-102

Conference Information
Committee EST  
Conference Date 2020-01-30 - 2020-01-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Beppu International Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Simulation Technique, etc. 
Paper Information
Registration To EST 
Conference Code 2020-01-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) FDTD analysis of mode converters using an insulator-metal-insulator waveguide 
Sub Title (in English)  
Keyword(1) Surface plasmon polariton (SPP)  
Keyword(2) Plasmonic device  
Keyword(3) Insulator-metal-insulator (IMI) waveguides  
Keyword(4) Finite-difference time-domain (FDTD) method  
Keyword(5)  
Keyword(6)  
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1st Author's Name Takahiro Suzuki  
1st Author's Affiliation Hosei University (Hosei Univ.)
2nd Author's Name Jun Shibayama  
2nd Author's Affiliation Hosei University (Hosei Univ.)
3rd Author's Name Junji Yamauchi  
3rd Author's Affiliation Hosei University (Hosei Univ.)
4th Author's Name Hisamatsu Nakano  
4th Author's Affiliation Hosei University (Hosei Univ.)
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Speaker Author-1 
Date Time 2020-01-31 16:10:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # EST2019-102 
Volume (vol) vol.119 
Number (no) no.407 
Page pp.119-123 
#Pages 5 
Date of Issue 2020-01-23 (EST) 

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