Artículo
Kaufmann, H.; Ruster, T.; Schmiegelow, C.T.; Luda, M.A.; Kaushal, V.; Schulz, J.; Von Lindenfels, D.; Schmidt-Kaler, F.; Poschinger, U.G. "Fast ion swapping for quantum-information processing" (2017) Physical Review A. 95(5)
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Abstract:
We demonstrate a swap gate between laser-cooled ions in a segmented microtrap via fast physical swapping of the ion positions. This operation is used in conjunction with qubit initialization, manipulation, and readout and with other types of shuttling operations such as linear transport and crystal separation and merging. Combining these operations, we perform quantum process tomography of the swap gate, obtaining a mean process fidelity of 99.5(5)%. The swap operation is demonstrated with motional excitations below 0.05(1) quantum for all six collective modes of a two-ion crystal for a process duration of 42μs. Extending these techniques to three ions, we reverse the order of a three-ion crystal and reconstruct the truth table for this operation, resulting in a mean process fidelity of 99.96(13)% in the logical basis. © 2017 American Physical Society.
Registro:
| Documento: | Artículo |
| Título: | Fast ion swapping for quantum-information processing |
| Autor: | Kaufmann, H.; Ruster, T.; Schmiegelow, C.T.; Luda, M.A.; Kaushal, V.; Schulz, J.; Von Lindenfels, D.; Schmidt-Kaler, F.; Poschinger, U.G. |
| Filiación: | Institut für Physik, Universität Mainz, Staudingerweg 7, Mainz, 55128, Germany Laboratorio de Iones y Atomos Frios, Departamento de Fisica, Instituto de Fisica de Buenos Aires, Buenos Aires, 1428, Argentina DEILAP, CITEDEF, CONICET, J.B. de La Salle 4397, 1603 Villa Martelli, Buenos Aires, Argentina |
| Palabras clave: | Laser cooling; Quantum optics; Collective modes; Crystal separation; Ion crystals; Laser-cooled; Quantum process tomography; Quantum-information processing; Qubit initialization; Truth tables; Ions |
| Año: | 2017 |
| Volumen: | 95 |
| Número: | 5 |
| DOI: | http://dx.doi.org/10.1103/PhysRevA.95.052319 |
| Título revista: | Physical Review A |
| Título revista abreviado: | Phys. Rev. A |
| ISSN: | 24699926 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699926_v95_n5_p_Kaufmann |
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Citas:
---------- APA ----------
Kaufmann, H., Ruster, T., Schmiegelow, C.T., Luda, M.A., Kaushal, V., Schulz, J., Von Lindenfels, D.,..., Poschinger, U.G. (2017) . Fast ion swapping for quantum-information processing. Physical Review A, 95(5).http://dx.doi.org/10.1103/PhysRevA.95.052319
---------- CHICAGO ----------
Kaufmann, H., Ruster, T., Schmiegelow, C.T., Luda, M.A., Kaushal, V., Schulz, J., et al. "Fast ion swapping for quantum-information processing" . Physical Review A 95, no. 5 (2017).http://dx.doi.org/10.1103/PhysRevA.95.052319
---------- MLA ----------
Kaufmann, H., Ruster, T., Schmiegelow, C.T., Luda, M.A., Kaushal, V., Schulz, J., et al. "Fast ion swapping for quantum-information processing" . Physical Review A, vol. 95, no. 5, 2017.http://dx.doi.org/10.1103/PhysRevA.95.052319
---------- VANCOUVER ----------
Kaufmann, H., Ruster, T., Schmiegelow, C.T., Luda, M.A., Kaushal, V., Schulz, J., et al. Fast ion swapping for quantum-information processing. Phys. Rev. A. 2017;95(5).http://dx.doi.org/10.1103/PhysRevA.95.052319
