| Presentation | 2013-05-17 Transfer and retrieval of telecom-wavelength picosecond single-photon qubits to quantum dots Kazumasa SUZUKI, Koichiro KONISHI, Kouichi AKAHANE, Junko ISHI-HAYASE, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | Quantum Dot / Photon Echo / Quantum Interface / Quantum Information Technology |
| Paper # | LQE2013-10 |
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| Conference Information | |
| Committee | LQE |
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| Conference Date | 2013/5/10(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Lasers and Quantum Electronics (LQE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Transfer and retrieval of telecom-wavelength picosecond 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 |
| 1st Author's Name | Kazumasa SUZUKI |
| 1st Author's Affiliation | School of Fundamental Science and Technology, Keio University() |
| 2nd Author's Name | Koichiro KONISHI |
| 2nd Author's Affiliation | School of Fundamental Science and Technology, Keio University |
| 3rd Author's Name | Kouichi AKAHANE |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology |
| 4th Author's Name | Junko ISHI-HAYASE |
| 4th Author's Affiliation | National Institute of Information and Communications Technology |
| Date | 2013-05-17 |
| Paper # | LQE2013-10 |
| Volume (vol) | vol.113 |
| Number (no) | 49 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |