Quantum limits in interferometric measurements

Details Quantum limits in interferometric measurements Quantum limits in interferometric measurements

2001-01-22

arxiv.org/abs/quant-ph/0101104v1

Europhys.Lett.13:301-306,1990

Physics

Quantum Physics

4 pages

Scientific paper

10.1209/0295-5075/13/4/003

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.

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