dorsal/arxiv
View SchemaExperimental phase-covariant cloning of polarization states of single photons
| Authors | A. Cernoch, L. Bartuskova, J. Soubusta, M. Jezek, J. Fiurasek, M. Dusek |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0607149 |
| URL | https://arxiv.org/abs/quant-ph/0607149 |
| DOI | 10.1103/PhysRevA.74.042327 |
| Journal | Phys. Rev. A 74, 042327 (2006). |
Abstract
The experimental realization of optimal symmetric phase-covariant 1->2 cloning of qubit states is presented. The qubits are represented by polarization states of photons generated by spontaneous parametric down-conversion. The experiment is based on the interference of two photons on a custom-made beam splitter with different splitting ratios for vertical and horizontal polarization components. From the measured data we have estimated the implemented cloning transformation using the maximum-likelihood method. The result shows that the realized transformation is very close to the ideal one and the map fidelity reaches 94%.
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"abstract": "The experimental realization of optimal symmetric phase-covariant 1-\u003e2\ncloning of qubit states is presented. The qubits are represented by\npolarization states of photons generated by spontaneous parametric\ndown-conversion. The experiment is based on the interference of two photons on\na custom-made beam splitter with different splitting ratios for vertical and\nhorizontal polarization components. From the measured data we have estimated\nthe implemented cloning transformation using the maximum-likelihood method. The\nresult shows that the realized transformation is very close to the ideal one\nand the map fidelity reaches 94%.",
"arxiv_id": "quant-ph/0607149",
"authors": [
"A. Cernoch",
"L. Bartuskova",
"J. Soubusta",
"M. Jezek",
"J. Fiurasek",
"M. Dusek"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.74.042327",
"journal_ref": "Phys. Rev. A 74, 042327 (2006).",
"title": "Experimental phase-covariant cloning of polarization states of single photons",
"url": "https://arxiv.org/abs/quant-ph/0607149"
},
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