Paper Abstract and Keywords |
Presentation |
2008-11-21 08:45
Analysis of bending loss in solid-core photonic bandgap fibers Tadashi Murao, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) OFT2008-59 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Solid-core photonic bandgap fibers (SC-PBGFs) have gathered much attention because of its intriguing transmission band properties which can be understood by the theory for ARROW waveguides. In SC-PBGFs, it has been reported experimentally that the centripetal radiation as well as the centrifugal radiation occurs, when the fiber is bent at longer wavelength ranges in the PBG. This anomalous property was explained by considering the existence of the inner radiation caustic, which can not be seen in conventional optical fibers. However, the further analysis is required to understand the detailed properties of bent SC-PBGFs. In this paper, we investigate the bending loss properties for the SC-PBGFs through a full-vector modal solver based on the finite element method (FEM). In particular, we show that the cladding modes which induced by the bend cause the complete or incomplete leaky mode coupling with the core mode. Moreover, we show the structural and wavelength dependence of the bending losses for the SC-PBGFs. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Photonic bandgap fiber / photonic crystal fiber / / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 108, no. 310, OFT2008-59, pp. 65-70, Nov. 2008. |
Paper # |
OFT2008-59 |
Date of Issue |
2008-11-13 (OFT) |
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) |
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OFT2008-59 |
Conference Information |
Committee |
OFT OCS ITE-BCT IEE-CMN |
Conference Date |
2008-11-20 - 2008-11-21 |
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(See Japanese page) |
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Paper Information |
Registration To |
OFT |
Conference Code |
2008-11-OFT-OCS-BCT-CMN |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Analysis of bending loss in solid-core photonic bandgap fibers |
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Photonic bandgap fiber |
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photonic crystal fiber |
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1st Author's Name |
Tadashi Murao |
1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
2nd Author's Name |
Kunimasa Saitoh |
2nd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
3rd Author's Name |
Masanori Koshiba |
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Hokkaido University (Hokkaido Univ.) |
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Speaker |
Author-1 |
Date Time |
2008-11-21 08:45:00 |
Presentation Time |
25 minutes |
Registration for |
OFT |
Paper # |
OFT2008-59 |
Volume (vol) |
vol.108 |
Number (no) |
no.310 |
Page |
pp.65-70 |
#Pages |
6 |
Date of Issue |
2008-11-13 (OFT) |
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