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We report the experimental demonstration of quantum teleportation of the quadrature amplitudes of a light field. Our experiment was stably locked for long periods, and was analyzed in terms of fidelity F and with signal transfer Tq=T⁺+T^- and noise correlation Vq=Vin|out⁺Vin|out^-. We observed an optimum fidelity of 0.64±0.02, Tq=1.06±0.02, and Vq=0.96±0.10. We discuss the significance of both Tq>1 and Vq<1 and their relation to the teleportation no-cloning limit.
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Bowen et al. (2003) studied this question.
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