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News and Views
Nature 453, 45-46 (1 May 2008) | doi:10.1038/453045a; Published online 30 April 2008
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Quantum physics: The squeeze goes on
Eugene S. Polzik1
Abstract
After 20 years of hard labour, squeezed states — light and matter whose quantum fluctuations have been arduously suppressed below standard levels of quantum noise — are coming of age and are ripe for application.
Light is a quantum-mechanical object. One of the manifestations of that fact is that its amplitude (roughly, the number of photons present) and phase cannot be known simultaneously with arbitrary accuracy.
- Eugene S. Polzik is at QUANTOP — the Danish Quantum Optics Center, The Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, 2100 København Ø, Denmark.
Email: polzik@nbi.dk
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