On quantum teleportation with beam-splitter-generated entanglement
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.
Cite
@article{arxiv.quant-ph/0107073,
title = {On quantum teleportation with beam-splitter-generated entanglement},
author = {N. K. Tran and O. Pfister},
journal= {arXiv preprint arXiv:quant-ph/0107073},
year = {2009}
}
Comments
7 pages (two-column), 7 figures, submitted to Phys. Rev. A. Text unmodified, postscript error corrected