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| Presentation | 2017-12-07 13:15 [Poster Presentation] Design and fabrication of polarization-independent optical isolator with a-Si waveguide Yuki Hirabayashi, Yuya Shoji, Nobuhiko Nishiyama, Shigehisa Arai, Tetsuya Mizumoto (Tokyo Tech)  OPE2017-102 Link to ES Tech. Rep. Archives: OPE2017-102 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A nonreciprocal phase shift (NPS) is useful for realizing a waveguide magneto-optical isolator. It is difficult to grow a single-crystalline magneto-optical garnet on a Si substrate owing to the difference in lattice constants. Thus, we have fabricated waveguide magneto-optical isolators using a magneto-optical garnet $CeY_2$$Fe_5$$O_12$ (Ce:YIG) on Si waveguides by a directly bonding method. However, with this structure, a NPS was provided only for the TM modes in vertically asymmetric waveguides fabricated. The NPS affected for both TE and TM modes, simultaneously, has not been realized yet. In this paper, we propose an optical isolator fabricated with an amorphous silicon waveguide on a single-crystalline Ce:YIG. We discuss the design of a novel waveguide structure which provides an equal NPS for both TE and TM modes to realize a polarization-independent optical isolator. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical isolator / a-Si waveguide / Polarization independence / Nonreciprocal phase shift / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 339, OPE2017-102, pp. 69-74, Dec. 2017. | |
| Paper # | OPE2017-102 | |
| 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 | OPE2017-102 Link to ES Tech. Rep. Archives: OPE2017-102 |
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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) | Design and fabrication of polarization-independent optical isolator with a-Si waveguide |
| Sub Title (in English) | |
| Keyword(1) | Optical isolator |
| Keyword(2) | a-Si waveguide |
| Keyword(3) | Polarization independence |
| Keyword(4) | Nonreciprocal phase shift |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yuki Hirabayashi |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Yuya Shoji |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 3rd Author's Name | Nobuhiko Nishiyama |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 4th Author's Name | Shigehisa Arai |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 5th Author's Name | Tetsuya Mizumoto |
| 5th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2017-12-07 13:15:00 |
| Presentation Time | 100 minutes |
| Registration for | OPE |
| Paper # | OPE2017-102 |
| Volume (vol) | vol.117 |
| Number (no) | no.339 |
| Page | pp.69-74 |
| #Pages | 6 |
| Date of Issue | 2017-11-30 (OPE) |
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