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Breaking the Heisenberg limit with inefficient detectors

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Beltrán, José and Luis Aina, Alfredo (2005) Breaking the Heisenberg limit with inefficient detectors. Physical review A, 72 (4). 045801_1-045801_4. ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.72.045801


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http://journals.aps.org/Publisher


Abstract

We analyze the performance of nonlinear detection schemes surpassing the Heisenberg limit with semiclassical input states when using realistic detectors having nonunit detection efficiency.


Item Type:Article
Additional Information:

©2005 The American Physical Society.
A.L. thanks Professor J. Dunningham for valuable comments.

Uncontrolled Keywords:Electromagnetically induced transparency; Quantum-mechanical noise; Interferometric measurements; Precision-measurement; Fisher information; Projection noise; Coherent states; Wave detectors; Squeezed-light; Phase
Subjects:Sciences > Physics > Optics
ID Code:31366
Deposited On:28 Jul 2015 10:37
Last Modified:28 Jul 2015 10:37

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