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Efficient entanglement concentration for arbitrary less-entangled NOON state assisted with single photon
[article]
2012
arXiv
pre-print
We put forward two efficient entanglement concentration protocols (ECPs) for distilling the maximally entangled NOON state from arbitrary less-entangled NOON state with only an auxiliary single photon. With the help of the weak cross-Kerr nonlinearities, both the two ECPs can be used repeatedly to get a high success probability. In the first ECP, the auxiliary single photon should be shared by the two parties say Alice and Bob. In the second ECP, the auxiliary single photon is only possessed by
arXiv:1209.1795v1
fatcat:vygu4cdbjvgf5o34t7gvz7j3hy