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Paper Abstract and Keywords
Presentation 2010-10-25 15:30
Numerical analysis of light transmission in bent trench optical fiber
Yasunori Morikawa, Yahei Koyamada (Ibaraki Univ.) OFT2010-35
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a numerical analysis of bent trench single-mode fibers (TSMF) which have been developed as bend insensitive fibers. The analysis is based on the coupled mode equations between a core mode and a continuum of radiation modes where the radiation modes are represented approximately by a large number of leaky clad modes that include some leaky core modes. The validity of the analytical model was confirmed by applying it to a bent standard single-mode fiber (SSMF). It was clarified that the core mode power varies periodically when it propagates down the bent TSMF due to the coupling with a leaky core mode. The mode coupling grows strong as the bending radius reduces. The leaky core mode exited at the bend may cause a fluctuation in the signal power carried by the core mode by the multiple path interference.
Keyword (in Japanese) (See Japanese page) 
(in English) Single-mode fiber / trench fiber / leaky mode / mode conversion / bending loss / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 248, OFT2010-35, pp. 33-38, Oct. 2010.
Paper # OFT2010-35 
Date of Issue 2010-10-18 (OFT) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee OFT  
Conference Date 2010-10-25 - 2010-10-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Nippon Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2010-10-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Numerical analysis of light transmission in bent trench optical fiber 
Sub Title (in English)  
Keyword(1) Single-mode fiber  
Keyword(2) trench fiber  
Keyword(3) leaky mode  
Keyword(4) mode conversion  
Keyword(5) bending loss  
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1st Author's Name Yasunori Morikawa  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Yahei Koyamada  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2010-10-25 15:30:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2010-35 
Volume (vol) vol.110 
Number (no) no.248 
Page pp.33-38 
#Pages
Date of Issue 2010-10-18 (OFT) 


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