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Paper Abstract and Keywords
Presentation 2022-08-26 11:25
Study on design of mosaic-based 2 × 2 3-dB power splitter in the mid infrared
Taichi Muratsubaki, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) R2022-25 EMD2022-13 CPM2022-30 OPE2022-56 LQE2022-19
Abstract (in Japanese) (See Japanese page) 
(in English) For the mid infrared waveband, we propose a mosaic-based 2 × 2 3-dB power splitter. By applying mosaic structure, the footprint is reduced by 10 times compared with the conventional multimode-interference-based devices. In the design process, we compared the figure of merits for optimization in order to effectively search a structure with high tolerance to diameter variation of the holes in the mosaic structure caused by fabrication imperfections. Statistical comparison with 20 results for each optimization method, the usefulness of optimization considering the multi-wavelength and multi-structure with hole diameter variation is demonstrated. The proposed device is optimized using the figure of merit whose usefulness is demonstrated in this paper. Over the wavelength range of design, 2.06–2.14 µm, the total power of two outputs is > 91.4%, the power difference of the outputs is < 4.4%, and the phase error is within 1.4°. For a hole diameter variation of ±10 nm, the total power is > 90.5%, the power difference is < 7.5%, and the phase error is within 1.7°. The proposed device maintains its function under the diameter variation.
Keyword (in Japanese) (See Japanese page) 
(in English) 2 × 2 3-dB power splitter / Mosaic-based device / Direct binary search / Mid-infrared silicon photonics / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 159, OPE2022-56, pp. 50-55, Aug. 2022.
Paper # OPE2022-56 
Date of Issue 2022-08-18 (R, EMD, CPM, OPE, LQE) 
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 R2022-25 EMD2022-13 CPM2022-30 OPE2022-56 LQE2022-19

Conference Information
Committee EMD R LQE OPE CPM  
Conference Date 2022-08-25 - 2022-08-26 
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 2022-08-EMD-R-LQE-OPE-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on design of mosaic-based 2 × 2 3-dB power splitter in the mid infrared 
Sub Title (in English)  
Keyword(1) 2 × 2 3-dB power splitter  
Keyword(2) Mosaic-based device  
Keyword(3) Direct binary search  
Keyword(4) Mid-infrared silicon photonics  
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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 2022-08-26 11:25:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # R2022-25, EMD2022-13, CPM2022-30, OPE2022-56, LQE2022-19 
Volume (vol) vol.122 
Number (no) no.156(R), no.157(EMD), no.158(CPM), no.159(OPE), no.160(LQE) 
Page pp.50-55 
#Pages 6 
Date of Issue 2022-08-18 (R, EMD, CPM, OPE, LQE) 

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