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| Presentation | 2021-08-27 14:40 A design of highly fabrication-tolerant 2-µm 4-mode waveguide crossing based on mosaic structure Taichi Muratsubaki, Takeshi Fujisawa, Yusuke Sawada, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.)  R2021-26 EMD2021-7 CPM2021-16 OPE2021-27 LQE2021-6 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A novel direct binary search algorithm for designing high-fabrication-tolerance mosaic-based devices is proposed, and with the method, a 2-µm 4-mode waveguide crossing based on mosaic structure with nanoholes is designed. In fabrication-tolerant direct binary search algorithm, structures with nanoholes, whose diameter is different from the target as well as a structure with nanoholes of the desired diameter are taken into consideration to enhance the device performance under the hole diameter variation due to the fabrication error. The optimization results of 100 samples show that the transmission of TE3 modes in the structure with hole diameter variation by ±10 nm is improved by 3% on average in both cases, compared to the conventional method. The device designed with the method shows insertion loss less than 0.8 dB and crosstalk less than −19 dB, respectively under variation of the hole diameter within ±10 nm. The fabrication tolerance in terms of the hole position error is investigated, and the device can well tolerate the hole position error within 8 nm. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Direct binary search / Mode division multiplexing / Mid-infrared silicon photonics / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 161, OPE2021-27, pp. 25-30, Aug. 2021. | |
| Paper # | OPE2021-27 | |
| Date of Issue | 2021-08-20 (R, EMD, CPM, OPE, LQE) | |
| ISSN | 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 | R2021-26 EMD2021-7 CPM2021-16 OPE2021-27 LQE2021-6 |
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| Conference Information | |
| Committee | R LQE OPE CPM EMD |
| Conference Date | 2021-08-27 - 2021-08-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online (Zoom) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2021-08-R-LQE-OPE-CPM-EMD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A design of highly fabrication-tolerant 2-µm 4-mode waveguide crossing based on mosaic structure |
| Sub Title (in English) | |
| Keyword(1) | Direct binary search |
| Keyword(2) | Mode division multiplexing |
| Keyword(3) | Mid-infrared silicon photonics |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taichi Muratsubaki |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name | Takeshi Fujisawa |
| 2nd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name | Yusuke Sawada |
| 3rd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 4th Author's Name | Takanori Sato |
| 4th Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 5th Author's Name | Kunimasa Saitoh |
| 5th Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 6th Author's Name | |
| 6th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2021-08-27 14:40:00 |
| Presentation Time | 30 minutes |
| Registration for | OPE |
| Paper # | R2021-26, EMD2021-7, CPM2021-16, OPE2021-27, LQE2021-6 |
| Volume (vol) | vol.121 |
| Number (no) | no.158(R), no.159(EMD), no.160(CPM), no.161(OPE), no.162(LQE) |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2021-08-20 (R, EMD, CPM, OPE, LQE) |
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