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| Presentation | 2007-05-25 10:45 Design of grating couplers based on dual-core fibres Florence Yuen Ming Chan, Kiyotoshi Yasumoto (Kyushu Univ.)  OFT2007-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We demonstrate a Bragg-reflection grating coupler using a dual-core fibre with long-period (LPG) and short-period grating (FBG) pair. The LPG couples light from the primary core to the cladding while the FBG operates in reflection and acts to drop the channel from the secondary core. In contrast to conventional FBG-based devices, the proposed coupler is non-reflective along the launching core. Achievement of high reflectivity and means of suppressing side lobes are highlighted. Numerical examples are given to illustrate the possibility of obtaining an effective flat-top Bragg-reflection bandpass filter with steep band transitions and negligible side lobes. The results are useful for the design of grating-based devices with applications in wavelength-division-multiplexed systems. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | coupled-mode theory / fibre gratings / long-period gratings / Bragg gratings / dual-core fibres / optical couplers / optical filters / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 52, OFT2007-12, pp. 57-60, May 2007. | |
| Paper # | OFT2007-12 | |
| Date of Issue | 2007-05-17 (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) | |
| Download PDF | OFT2007-12 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2007-05-24 - 2007-05-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2007-05-OFT |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of grating couplers based on dual-core fibres |
| Sub Title (in English) | |
| Keyword(1) | coupled-mode theory |
| Keyword(2) | fibre gratings |
| Keyword(3) | long-period gratings |
| Keyword(4) | Bragg gratings |
| Keyword(5) | dual-core fibres |
| Keyword(6) | optical couplers |
| Keyword(7) | optical filters |
| Keyword(8) | |
| 1st Author's Name | Florence Yuen Ming Chan |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Kiyotoshi Yasumoto |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-05-25 10:45:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2007-12 |
| Volume (vol) | vol.107 |
| Number (no) | no.52 |
| Page | pp.57-60 |
| #Pages | 4 |
| Date of Issue | 2007-05-17 (OFT) |
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