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Paper Abstract and Keywords
Presentation 2023-05-19 15:55
A Characteristic Analysis of an Optical Fiber Polarizer
Taiki Arakawa, Yuya Otsuka, Yuki Shiroishi (Nihon Univ.), Kazunori Kameda (Sano Nihon Col.), Shinichi Furukawa (Nihon Univ.) EMT2023-7
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we propose two types of fiber type polarizers with circular metal regions or circular pit regions on the sides of a circular core. One is a type (denoted 1c3m) in which three metal regions are arranged for one core, and the other is a type (denoted 1c2p1m) in which pits are arranged above and below one metal region for one core. Both 1c3m and 1c2p1m are designed so as to be propagated y-polarization and to be attenuated (disappeared) x-polarization. As a result, when the ratio of the core radius a_1 and the distance d between the core and the metal region (d⁄a_1 ) is designed by changing in the range of 0.3≤d/a_1≤1.4, it is found that 1c2p1m has better characteristics as than 1c3m as a polarizer. In 1c2p1m, at d⁄a_1 =1.4 where the loss $alpha$y of y-polarization is the minimum ($alpha$y = 0.131 dB/cm), the difference $alpha$xy (≜$alpha$x-$alpha$y) between the loss $alpha$x of x-polarization and $alpha$y of 99.81 dB/cm is obtained. Furthermore, it was clarified that $alpha$xy = 314.4 dB/cm can be achieved while keeping $alpha$y of 0.517 dB/cm at d/a_1 = 0.788, which maximizes $alpha$xy.
Keyword (in Japanese) (See Japanese page) 
(in English) Polarizer / Fiber Optic Device / Multiple Circular Region / Metal Region / Pit / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 40, EMT2023-7, pp. 33-38, May 2023.
Paper # EMT2023-7 
Date of Issue 2023-05-12 (EMT) 
ISSN Online edition: ISSN 2432-6380
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 EMT2023-7

Conference Information
Committee EMT IEE-EMT  
Conference Date 2023-05-19 - 2023-05-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Information Technology R & D Center, MITSUBISHI Electric Corp. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Electromagnetic Theory, etc. 
Paper Information
Registration To EMT 
Conference Code 2023-05-EMT-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Characteristic Analysis of an Optical Fiber Polarizer 
Sub Title (in English)  
Keyword(1) Polarizer  
Keyword(2) Fiber Optic Device  
Keyword(3) Multiple Circular Region  
Keyword(4) Metal Region  
Keyword(5) Pit  
1st Author's Name Taiki Arakawa  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Yuya Otsuka  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Yuki Shiroishi  
3rd Author's Affiliation Nihon University (Nihon Univ.)
4th Author's Name Kazunori Kameda  
4th Author's Affiliation Sano Nihon University College (Sano Nihon Col.)
5th Author's Name Shinichi Furukawa  
5th Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-2 
Date Time 2023-05-19 15:55:00 
Presentation Time 25 minutes 
Registration for EMT 
Paper # EMT2023-7 
Volume (vol) vol.123 
Number (no) no.40 
Page pp.33-38 
Date of Issue 2023-05-12 (EMT) 

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