Nicolas Sangouard, Christoph Simon, Thomas Coudreau, Nicolas Gisin
Published 2008-11-18Version 1
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.
Comments: 4 pages, 3 figures
Journal: Phys. Rev. A 78, 050301(R) (2008)
Entanglement-Assisted Quantum Error Correction with Linear Optics
Which multiphoton states are related via linear optics?
Retraction of "Near-Deterministic Discrimination of All Bell States with Linear Optics," Phys. Rev. Lett. 107, 080403 (2011) and Erratum Phys. Rev. Lett. 107, 219901 (2011)
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