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Quantum cloning for absolute radiometry

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Published in Physical Review Letters. 2010, vol. 105, no. 080503, p. 4 p.
Abstract In the quantum regime information can be copied with only a finite fidelity. This fidelity gradually increases to 1 as the system becomes classical. In this Letter we show how this fact can be used to directly measure the amount of radiated power. We demonstrate how these principles can be used to build a practical primary standard.
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SANGUINETTI, Bruno et al. Quantum cloning for absolute radiometry. In: Physical Review Letters, 2010, vol. 105, n° 080503, p. 4 p. https://archive-ouverte.unige.ch/unige:11754

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Deposited on : 2010-09-02

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