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| Presentation | 2017-12-07 13:15 [Poster Presentation] High extinction ratio of polarization splitter based on directional coupler Hiroya Mitsuno, Takeo Maruyama (Kanazawa Univ.)  OPE2017-100 Link to ES Tech. Rep. Archives: OPE2017-100 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | High refractive index difference of silicon waveguide enables high-density integration, but due to strong polarization dependence, it becomes a factor which makes the design complicated. As a solution of this problem, we proposed a design of waveguide type polarization splitter based on directional coupler which is advantageous in terms of size. In the past, there is a report of 10 dB extinction ratio in 1550 nm wavelength band, but this time we propose a structure with over 20 dB extinction ratio in 1550 nm wavelength band. It was confirmed by FDTD analysis that it can be realized by setting the combination of coupling length to 1: 2. Furthermore, we fabricated devises using foundry service and report results of measured polarization characteristics. From the result of the measurement, it was confirmed that this device was operating and an extinction ratio of 20 dB or more was obtained. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | polarization splitter / directional coupler / silicon photonics / silicon waveguide / extinction ratio / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 339, OPE2017-100, pp. 59-62, Dec. 2017. | |
| Paper # | OPE2017-100 | |
| Date of Issue | 2017-11-30 (OPE) | |
| 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 | OPE2017-100 Link to ES Tech. Rep. Archives: OPE2017-100 |
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| Conference Information | |
| Committee | OPE |
| Conference Date | 2017-12-07 - 2017-12-08 |
| 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 | 2017-12-OPE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High extinction ratio of polarization splitter based on directional coupler |
| Sub Title (in English) | |
| Keyword(1) | polarization splitter |
| Keyword(2) | directional coupler |
| Keyword(3) | silicon photonics |
| Keyword(4) | silicon waveguide |
| Keyword(5) | extinction ratio |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroya Mitsuno |
| 1st Author's Affiliation | Kanazawa University (Kanazawa Univ.) |
| 2nd Author's Name | Takeo Maruyama |
| 2nd Author's Affiliation | Kanazawa University (Kanazawa Univ.) |
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| Speaker | 1 |
| Date Time | 2017-12-07 13:15:00 |
| Presentation Time | 100 |
| Registration for | OPE |
| Paper # | IEICE-OPE2017-100 |
| Volume (vol) | IEICE-117 |
| Number (no) | no.339 |
| Page | pp.59-62 |
| #Pages | IEICE-4 |
| Date of Issue | IEICE-OPE-2017-11-30 |
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