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Paper Abstract and Keywords
Presentation 2023-10-20 10:10
Design of Mode-evolution-based Compact Symmetric Multimode Y-junction for the 2-µm Waveband Using Shortcuts to Adiabaticity
Taichi Muratsubaki, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OCS2023-39 OPE2023-94 LQE2023-41
Abstract (in Japanese) (See Japanese page) 
(in English) We report the design results of compact symmetric multimode Y junction for the 2-µm waveband. The proposed device achieves the desired function by using adiabatic mode-evolution of the supermodes. In general, structural change of a device based on adiabatic process must be gradual, which leads the device length long. Especially for the multimode devices, longer device length is required to suppress the loss and mode crosstalk for each mode. In our research, length of the mode-evolution region is greatly shortened by optimizing the taper structure based on the shortcuts to adiabaticity. We study on 2-mode and 4-mode devices and show the lengths of the mode-evolution region required to suppress the losses below 2% can be reduced to one-fifth and one-tenth, respectively, compared with the ones with linear tapers before optimization.
Keyword (in Japanese) (See Japanese page) 
(in English) Y junction / Shortcuts to adiabaticity / Mode evolution / Mode-division multiplexing / 2-µm waveband / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 221, OPE2023-94, pp. 62-67, Oct. 2023.
Paper # OPE2023-94 
Date of Issue 2023-10-12 (OCS, OPE, LQE) 
ISSN 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)
Download PDF OCS2023-39 OPE2023-94 LQE2023-41

Conference Information
Committee OCS LQE OPE  
Conference Date 2023-10-19 - 2023-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2023-10-OCS-LQE-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of Mode-evolution-based Compact Symmetric Multimode Y-junction for the 2-µm Waveband Using Shortcuts to Adiabaticity 
Sub Title (in English)  
Keyword(1) Y junction  
Keyword(2) Shortcuts to adiabaticity  
Keyword(3) Mode evolution  
Keyword(4) Mode-division multiplexing  
Keyword(5) 2-µm waveband  
Keyword(6)  
Keyword(7)  
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1st Author's Name Taichi Muratsubaki  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Takeshi Fujisawa  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Takanori Sato  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Kunimasa Saitoh  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2023-10-20 10:10:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OCS2023-39, OPE2023-94, LQE2023-41 
Volume (vol) vol.123 
Number (no) no.220(OCS), no.221(OPE), no.222(LQE) 
Page pp.62-67 
#Pages 6 
Date of Issue 2023-10-12 (OCS, OPE, LQE) 

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