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| Presentation | 2019-05-22 14:30 [Invited Talk] Spin-Controlled Vertical-Cavity Surface-Emitting Lasers for Low-Power and High-Speed Data Communication Nobuhide Yokota, Kunpei Nisaka (Tohoku Univ.), Kazuhiro Ikeda (AIST), Hiroshi Yasaka (Tohoku Univ.)  MWP2019-1 Link to ES Tech. Rep. Archives: MWP2019-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A low-power and high-speed data communication is required to support a development of IoT technologies. For drastically increasing a modulation speed of vertical-cavity surface-emitting lasers (VCSELs) with low cost and low power consumption, we proposed a spin polarization modulation scheme where the electron spin polarization in an active region is modulated. Spin flip rate equation analyses revealed that an enhanced modulation sensitivity at the frequency coincident with a birefringence-induced polarization mode splitting is obtained under the spin polarization modulation, which leads to a wide modulation bandwidth of the VCSEL not limited by the relaxation oscillation frequency. A wide 3-dB bandwidth of 23 GHz was experimentally confirmed under an optical spin polarization modulation technique. In addition, a format conversion method with a polarizer from a polarization modulation to phase modulation for the spin-controlled VCSEL was theoretically suggested. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | VCSEL / Electron spin / Spin relaxation / Birefringence / High-speed modulation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 46, MWP2019-1, pp. 1-4, May 2019. | |
| Paper # | MWP2019-1 | |
| Date of Issue | 2019-05-15 (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 | MWP2019-1 Link to ES Tech. Rep. Archives: MWP2019-1 |
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| Conference Information | |
| Committee | MWP |
| Conference Date | 2019-05-22 - 2019-05-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Photonics, etc. |
| Paper Information | |
| Registration To | MWP |
| Conference Code | 2019-05-MWP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spin-Controlled Vertical-Cavity Surface-Emitting Lasers for Low-Power and High-Speed Data Communication |
| Sub Title (in English) | |
| Keyword(1) | VCSEL |
| Keyword(2) | Electron spin |
| Keyword(3) | Spin relaxation |
| Keyword(4) | Birefringence |
| Keyword(5) | High-speed modulation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Nobuhide Yokota |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Kunpei Nisaka |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Kazuhiro Ikeda |
| 3rd Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 4th Author's Name | Hiroshi Yasaka |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-05-22 14:30:00 |
| Presentation Time | 45 minutes |
| Registration for | MWP |
| Paper # | MWP2019-1 |
| Volume (vol) | vol.119 |
| Number (no) | no.46 |
| Page | pp.1-4 |
| #Pages | 4 |
| Date of Issue | 2019-05-15 (MWP) |
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