Observation of entanglement of a single photon with a trapped atom
We report the observation of entanglement between a single trapped atom and a single photon at a wavelength suitable for low-loss communication over large distances, thereby achieving a crucial step towards long range quantum networks. To verify the entanglement, we introduce a single atom state ana...
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| Veröffentlicht in: | Physical review letters 2006-01, Vol.96 (3), p.030404-030404, Article 030404 |
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| container_end_page | 030404 |
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| container_issue | 3 |
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| container_title | Physical review letters |
| container_volume | 96 |
| creator | Volz, Jürgen Weber, Markus Schlenk, Daniel Rosenfeld, Wenjamin Vrana, Johannes Saucke, Karen Kurtsiefer, Christian Weinfurter, Harald |
| description | We report the observation of entanglement between a single trapped atom and a single photon at a wavelength suitable for low-loss communication over large distances, thereby achieving a crucial step towards long range quantum networks. To verify the entanglement, we introduce a single atom state analysis. This technique is used for full state tomography of the atom-photon qubit pair. The detection efficiency and the entanglement fidelity are high enough to allow in a next step the generation of entangled atoms at large distances, ready for a final loophole-free Bell experiment. |
| doi_str_mv | 10.1103/PhysRevLett.96.030404 |
| format | Article |
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| identifier | ISSN: 0031-9007 |
| ispartof | Physical review letters, 2006-01, Vol.96 (3), p.030404-030404, Article 030404 |
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| source | American Physical Society Journals |
| subjects | ATOMS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMMUNICATIONS INFORMATION THEORY PHOTON-ATOM COLLISIONS PHOTONS QUANTUM COMPUTERS QUANTUM ENTANGLEMENT QUANTUM MECHANICS QUBITS TRAPPING WAVELENGTHS |
| title | Observation of entanglement of a single photon with a trapped atom |
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