dorsal/arxiv
View SchemaOn quantum teleportation with beam-splitter-generated entanglement
| Authors | N. K. Tran, O. Pfister |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0107073 |
| URL | https://arxiv.org/abs/quant-ph/0107073 |
| DOI | 10.1103/PhysRevA.65.052313 |
| Journal | Expanded version in Phys. Rev. A 65 052313 (2002) |
Abstract
Following the lead of Cochrane, Milburn, and Munro [Phys. Rev. A {\bf 62}, 062307 (2000)], we investigate theoretically quantum teleportation by means of the number-sum and phase-difference variables. We study Fock-state entanglement generated by a beam splitter and show that two-mode Fock-state inputs can be entangled by a beam splitter into close approximations of maximally entangled eigenstates of the phase difference and the photon-number sum (Einstein-Podolsky-Rosen -- EPR -- states). Such states could be experimentally feasible with on-demand single-photon sources. We show that the teleportation fidelity can reach near unity when such ``quasi-EPR'' states are used as the quantum channel.
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"abstract": "Following the lead of Cochrane, Milburn, and Munro [Phys. Rev. A {\\bf 62},\n062307 (2000)], we investigate theoretically quantum teleportation by means of\nthe number-sum and phase-difference variables. We study Fock-state entanglement\ngenerated by a beam splitter and show that two-mode Fock-state inputs can be\nentangled by a beam splitter into close approximations of maximally entangled\neigenstates of the phase difference and the photon-number sum\n(Einstein-Podolsky-Rosen -- EPR -- states). Such states could be experimentally\nfeasible with on-demand single-photon sources. We show that the teleportation\nfidelity can reach near unity when such ``quasi-EPR\u0027\u0027 states are used as the\nquantum channel.",
"arxiv_id": "quant-ph/0107073",
"authors": [
"N. K. Tran",
"O. Pfister"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.65.052313",
"journal_ref": "Expanded version in Phys. Rev. A 65 052313 (2002)",
"title": "On quantum teleportation with beam-splitter-generated entanglement",
"url": "https://arxiv.org/abs/quant-ph/0107073"
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