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| Presentation | 2022-11-18 16:05 [Special Invited Talk] Proposal and Demonstration of Free-Space Optical Communication Using Lens-Free Photonic-Crystal Surface-Emitting Laser Shota Ishimura (KDDI Research), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research), Susumu Noda (Kyoto Univ.)  OCS2022-57 OPE2022-92 LQE2022-55 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this talk, we present the first demonstration of free-space optical (FSO) communication using a photonic-crystal surface-emitting laser (PCSEL), which was reported in an ECOC post-deadline session. Since a PCSEL achieves much larger-area single-mode coherent lasing compared to other types of lasers, it maintains an excellent beam profile over a very wide area, while enabling watt-class high-power operation and much smaller beam divergence angle. Therefore, it becomes possible to replace conventional bulky transmitter components such as optical amplifiers and lens systems for beam collimation with a single PCSEL, leading to drastic simplification of FSO transmitters. In the demonstration, we successfully transmitted an optical signal directly modulated using a PCSEL over a free space of 1.1 m without using any lenses at the transmitter. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | PCSEL / Free-space optical communications / OFDM / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 263, LQE2022-55, pp. 25-29, Nov. 2022. | |
| Paper # | LQE2022-55 | |
| Date of Issue | 2022-11-11 (OCS, 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 | OCS2022-57 OPE2022-92 LQE2022-55 |
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| Conference Information | |
| Committee | OPE LQE OCS |
| Conference Date | 2022-11-18 - 2022-11-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2022-11-OPE-LQE-OCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal and Demonstration of Free-Space Optical Communication Using Lens-Free Photonic-Crystal Surface-Emitting Laser |
| Sub Title (in English) | |
| Keyword(1) | PCSEL |
| Keyword(2) | Free-space optical communications |
| Keyword(3) | OFDM |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shota Ishimura |
| 1st Author's Affiliation | KDDI Research. (KDDI Research) |
| 2nd Author's Name | Ryohei Morita |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Takuya Inoue |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Kosuke Nishimura |
| 4th Author's Affiliation | KDDI Research. (KDDI Research) |
| 5th Author's Name | Hidenori Takahashi |
| 5th Author's Affiliation | KDDI Research. (KDDI Research) |
| 6th Author's Name | Takehiro Tsuritani |
| 6th Author's Affiliation | KDDI Research. (KDDI Research) |
| 7th Author's Name | Menaka De Zoysa |
| 7th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 8th Author's Name | Kenji Ishizaki |
| 8th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 9th Author's Name | Masatoshi Suzuki |
| 9th Author's Affiliation | KDDI Research. (KDDI Research) |
| 10th Author's Name | Susumu Noda |
| 10th Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-11-18 16:05:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | OCS2022-57, OPE2022-92, LQE2022-55 |
| Volume (vol) | vol.122 |
| Number (no) | no.261(OCS), no.262(OPE), no.263(LQE) |
| Page | pp.25-29 |
| #Pages | 5 |
| Date of Issue | 2022-11-11 (OCS, OPE, LQE) |
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