Maximal entanglement of squeezed vacuum states via swapping with number-phase measurement

Details Maximal entanglement of squeezed vacuum states via swapping with number-phase measurement Maximal entanglement of squeezed vacuum states via swapping with number-phase measurement

2002-02-26

arxiv.org/abs/quant-ph/0202154v2

Physics

Quantum Physics

4 pages, 1 PS figure, RevTeX

Scientific paper

10.1103/PhysRevA.66.052312

We propose a method to refine entanglement via swapping from a pair of
squeezed vacuum states by performing the Bell measurement of number sum and
phase difference. The resultant states are maximally entangled by adjusting the
two squeezing parameters to the same value. We then describe the teleportation
of number states by using the entangled states prepared in this way.

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