Quantum non-demolition measurements in optics

被引：0
|
作者：
Philippe Grangier
Juan Ariel Levenson
Jean-Philippe Poizat
机构：
[1] Laboratoire Charles Fabry de l'Institut d'Optique,
[2] CNRS (URA 14),undefined
[3] France Telecom/CNET/DTD/Laboratoire de Bagneux,undefined
[4] CNRS (URA 250),undefined
来源：
Nature | 1998年 / 396卷
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摘要：
Quantum non-demolition measurements are designed to circumvent the limitations imposed by Heisenberg's uncertainty principle when performing repeated measurements of quantum states. Recent progress in quantum optics has enabled the experimental realization of quantum non-demolition measurements of the photon flux of a light beam. This achievement bears on fundamental issues about the ultimate sensitivity of measurements, and may open the way for applications such as noise-free information tapping in optical telecommunications.
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页码：537 / 542
页数：5
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