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| Presentation | 2018-12-06 10:45 [Encouragement Talk] Circularly polarized light emission by semiconductor-based three-dimensional chiral photonic crystals Shun Takahashi (KIT), Yasutomo Ota, Takeyoshi Tajiri, Jun Tatebayashi, Satoshi Iwamoto, Yasuhiko Arakawa (Univ. of Tokyo)  OPE2018-98 LQE2018-108 SIPH2018-14 Link to ES Tech. Rep. Archives: OPE2018-98 LQE2018-108 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Semiconductor-based three-dimensional chiral photonic crystals having a helical periodicity of telecom wavelength scale were successfully fabricated by a micro-manipulation technique. Photoluminescence measurement for quantum dots in the chiral structures showed that the emitted infrared light was strongly polarized in circular polarization whose handedness was consistent with the structural chirality. In addition, time-resolved photoluminescence measurement showed different radiative lifetime between the two orthogonal circular polarizations, indicating that the chiral photonic crystal modified photonic density of states for circularly polarized components in the vacuum field fluctuation. These results can be applied to compact circularly polarized emitters without any polarizers or wave plates, and to spin polarizing devices without any external magnetic field or spin injection. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Photonic crystal / Chirality / Circular polarization / Photonic density of states / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 349, LQE2018-108, pp. 7-10, Dec. 2018. | |
| Paper # | LQE2018-108 | |
| Date of Issue | 2018-11-29 (OPE, LQE) | |
| 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 | OPE2018-98 LQE2018-108 SIPH2018-14 Link to ES Tech. Rep. Archives: OPE2018-98 LQE2018-108 |
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| Conference Information | |
| Committee | LQE OPE SIPH |
| Conference Date | 2018-12-06 - 2018-12-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Keio University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Photonic Device Workshop |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2018-12-LQE-OPE-SIPH |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Circularly polarized light emission by semiconductor-based three-dimensional chiral photonic crystals |
| Sub Title (in English) | |
| Keyword(1) | Photonic crystal |
| Keyword(2) | Chirality |
| Keyword(3) | Circular polarization |
| Keyword(4) | Photonic density of states |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Shun Takahashi |
| 1st Author's Affiliation | Kyoto Institute of Technology (KIT) |
| 2nd Author's Name | Yasutomo Ota |
| 2nd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 3rd Author's Name | Takeyoshi Tajiri |
| 3rd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 4th Author's Name | Jun Tatebayashi |
| 4th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 5th Author's Name | Satoshi Iwamoto |
| 5th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 6th Author's Name | Yasuhiko Arakawa |
| 6th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2018-12-06 10:45:00 |
| Presentation Time | 30 minutes |
| Registration for | LQE |
| Paper # | OPE2018-98, LQE2018-108, SIPH2018-14 |
| Volume (vol) | vol.118 |
| Number (no) | no.348(OPE), no.349(LQE) |
| Page | pp.7-10 |
| #Pages | 4 |
| Date of Issue | 2018-11-29 (OPE, LQE) |
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