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| Presentation | 2013-05-17 14:15 Transfer and retrieval of telecom-wavelength picoseconds single-photon qubits to quantum dots Kazumasa Suzuki, Koichiro Konichi (Keio Univ.), Kouichi Akahane (NICT), Junko Ishi-Hayase (Keio Univ.)  LQE2013-10 Link to ES Tech. Rep. Archives: LQE2013-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We demonstrate the coherent transfer and retrieval of picosecound single-photon time-bin qubits to a quantum dot ensemble at a telecommunication wavelength using a photon-echo technique．The visibility of interfered photon-echo signals which determines the transfer/retrieval fidelity of time-bin qubits was estimated to be approximately 98 % for a 200-ps storage time．Moreover, we found that the retrieval fidelity is independent of storage time for at least 1 ns．Our result shows that a quantum dot ensemble which has large inhomogeneous broadening of optical transition of excitons in conjunction with a photon-echo technique is promising candidate for realizing the ultrabroadband (terahertz range) light-matter quantum interface which is operable in the telecommunication wavelength range. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Quantum Dot / Photon Echo / Quantum Interface / Quantum Information Technology / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 49, LQE2013-10, pp. 45-48, May 2013. | |
| Paper # | LQE2013-10 | |
| Date of Issue | 2013-05-10 (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 | LQE2013-10 Link to ES Tech. Rep. Archives: LQE2013-10 |
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| Conference Information | |
| Committee | LQE LSJ |
| Conference Date | 2013-05-17 - 2013-05-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2013-05-LQE-LSJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Transfer and retrieval of telecom-wavelength picoseconds single-photon qubits to quantum dots |
| Sub Title (in English) | |
| Keyword(1) | Quantum Dot |
| Keyword(2) | Photon Echo |
| Keyword(3) | Quantum Interface |
| Keyword(4) | Quantum Information Technology |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazumasa Suzuki |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Koichiro Konichi |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
| 3rd Author's Name | Kouichi Akahane |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Junko Ishi-Hayase |
| 4th Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-05-17 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | LQE2013-10 |
| Volume (vol) | vol.113 |
| Number (no) | no.49 |
| Page | pp.45-48 |
| #Pages | 4 |
| Date of Issue | 2013-05-10 (LQE) |
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