A conditional protocol of transferring quantum correlations in a continuous variable regime was experimentally demonstrated. The quantum correlation in two pairs of twin beams, each characterized by intensity-difference squeezing of 7.0±0.30.3em0exdB, was transferred to two initially independent idler beams. The quantum-correlation transfer resulted in intensity-difference squeezing of 4.0±0.20.3em0exdB between two idler beams. The dependence of the preparation probability and transfer fidelity on the selection bandwidth was also studied.
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Zhang et al. (2005) studied this question.
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