Purification of Single-Photon Entanglement

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Title		Purification of Single-Photon Entanglement
Authors		Salart Subils, Daniel Landry, Olivier Sangouard, Nicolas Bruno Gisin, Nicolas Herrmann, H. Sanguinetti, Bruno Simon, Camille Sohler, W. Thew, Rob Thomas, A. Zbinden, Hugo show all authors [1 - 11]
Published in		Physical Review Letters. 2010, vol. 104, no. 18, p. 180504-1/4
Abstract		Single-photon entanglement is a simple form of entanglement that exists between two spatial modes sharing a single photon. Despite its elementary form, it provides a resource as useful as polarization-entangled photons and it can be used for quantum teleportation and entanglement swapping operations. Here, we report the first experiment where single-photon entanglement is purified with a simple linear-optics based protocol. In addition to its conceptual interest, this result might find applications in long distance quantum communication based on quantum repeaters.
Identifiers		DOI: 10.1103/PhysRevLett.104.180504
Full text		Article (Published version) (452 Kb) - Free access
Structures		Faculté des sciences / Section de physique / Groupe de physique appliquée
Citation (ISO format)		SALART SUBILS, Daniel et al. Purification of Single-Photon Entanglement. In: Physical Review Letters, 2010, vol. 104, n° 18, p. 180504-1/4. doi: 10.1103/PhysRevLett.104.180504 https://archive-ouverte.unige.ch/unige:11765