Purification of single-photon entanglement with linear optics

Sangouard, Nicolas; Simon, Christoph; Coudreau, Thomas; Gisin, Nicolas

doi:10.1103/PhysRevA.78.050301

Scientific article

Open access

English

Purification of single-photon entanglement with linear optics

ContributorsSangouard, Nicolas; Simon, Christoph; Coudreau, Thomas; Gisin, Nicolas

Published inPhysical review, A, Atomic, molecular, and optical physics, vol. 78

Publication date2008

Abstract

We show that single-photon entangled states of the form |0>|1>+|1>|0> can be purified with a simple linear-optics based protocol, which is eminently feasible with current technology. Besides its conceptual interest, this result is relevant for attractive quantum repeater protocols.

Keywords

Quantum entanglement
Quantum optics

Affiliation

Faculté des sciences / Section de physique / Groupe de physique appliquée

Citation (ISO format)

SANGOUARD, Nicolas et al. Purification of single-photon entanglement with linear optics. In: Physical review, A, Atomic, molecular, and optical physics, 2008, vol. 78. doi: 10.1103/PhysRevA.78.050301

Article (Accepted version)

Identifiers

PID : unige:1109
DOI : 10.1103/PhysRevA.78.050301

ISSN of the journal1050-2947

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Purification of single-photon entanglement with linear optics

We show that single-photon entangled states of the form |0>|1>+|1>|0> can be purified with a simple linear-optics based protocol, which is eminently feasible with current technology. Besides its conceptual interest, this result is relevant for attractive quantum repeater protocols.

Technical informations