Quantum limits in interferometric measurements
arXiv:quant-ph/0101104 · doi:10.1209/0295-5075/13/4/003
Abstract
Quantum noise limits the sensitivity of interferometric measurements. It is generally admitted that it leads to an ultimate sensitivity, the ``standard quantum limit''. Using a semi-classical analysis of quantum noise, we show that a judicious use of squeezed states allows one in principle to push the sensitivity beyond this limit. This general method could be applied to large scale interferometers designed for gravitational wave detection.
4 pages
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