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| Presentation | 2019-01-18 09:15 Demonstration of Low Polarization Dependent Loss of Two Dimensional Grating Coupler for Silicon Photonics Optical Receiver Yohei Sobu, Seok-Hwan Jeong, Yu Tanaka (PETRA/Fujitsu/Fujitsu Lab)  PN2018-65 EMT2018-99 OPE2018-174 LQE2018-184 EST2018-112 MWP2018-83 Link to ES Tech. Rep. Archives: EMT2018-99 OPE2018-174 LQE2018-184 EST2018-112 MWP2018-83 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Two-dimensional grating couplers (2DGCs) typically used as the optical I/O interface on the silicon photonics receiver need to operate with a lightwave with an arbitrary polarization in a single mode fiber (SMF). 2DGCs typically have a polarization dependent loss (PDL) due to the fiber angle tilted to reduce the back reflections at the fiber/grating interface. We numerically analyzed the dependence of the PDL of 2DGCs as for the scatterer arrays and shapes by using the three three-dimensional finite difference time domain (3D-FDTD) method. The reduction of the PDL of 2DGCs was realized by using slanted arrays and cross-shaped scatterers. We experimentally demonstrated a PDL < 0.3 dB over a 60-nm-wide spectral range. The tendency of the PDL characteristics (< 0.3 dB over a 60-nmwide range) was maintained even when the half-etching depth of the 2DGC deviated in a 200 mm silicon-on-insulator (SOI) wafer. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Silicon photonics / Grating coupler / Polarization dependence / Optical fiber / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 398, OPE2018-174, pp. 187-192, Jan. 2019. | |
| Paper # | OPE2018-174 | |
| Date of Issue | 2019-01-10 (PN, EMT, OPE, LQE, EST, MWP) | |
| 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 | PN2018-65 EMT2018-99 OPE2018-174 LQE2018-184 EST2018-112 MWP2018-83 Link to ES Tech. Rep. Archives: EMT2018-99 OPE2018-174 LQE2018-184 EST2018-112 MWP2018-83 |
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| Conference Information | |
| Committee | PN EMT OPE EST MWP LQE IEE-EMT |
| Conference Date | 2019-01-17 - 2019-01-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka University Nakanoshima Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2019-01-PN-EMT-OPE-EST-MWP-LQE-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Demonstration of Low Polarization Dependent Loss of Two Dimensional Grating Coupler for Silicon Photonics Optical Receiver |
| Sub Title (in English) | |
| Keyword(1) | Silicon photonics |
| Keyword(2) | Grating coupler |
| Keyword(3) | Polarization dependence |
| Keyword(4) | Optical fiber |
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| 1st Author's Name | Yohei Sobu |
| 1st Author's Affiliation | Photonics Electronics Technology Research Association/Fujitsu Limited/Fujitsu Laboratories Ltd. (PETRA/Fujitsu/Fujitsu Lab) |
| 2nd Author's Name | Seok-Hwan Jeong |
| 2nd Author's Affiliation | Photonics Electronics Technology Research Association/Fujitsu Limited/Fujitsu Laboratories Ltd. (PETRA/Fujitsu/Fujitsu Lab) |
| 3rd Author's Name | Yu Tanaka |
| 3rd Author's Affiliation | Photonics Electronics Technology Research Association/Fujitsu Limited/Fujitsu Laboratories Ltd. (PETRA/Fujitsu/Fujitsu Lab) |
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| Speaker | Author-1 |
| Date Time | 2019-01-18 09:15:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | PN2018-65, EMT2018-99, OPE2018-174, LQE2018-184, EST2018-112, MWP2018-83 |
| Volume (vol) | vol.118 |
| Number (no) | no.396(PN), no.397(EMT), no.398(OPE), no.399(LQE), no.400(EST), no.401(MWP) |
| Page | pp.187-192 |
| #Pages | 6 |
| Date of Issue | 2019-01-10 (PN, EMT, OPE, LQE, EST, MWP) |
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