Quantum limits on detection sensitivity of a linear detector with feedback
arXiv:1607.03724 · doi:10.1088/1361-6455/aa5958
Abstract
We show that the detection sensitivity of a linear detector is lower bounded by some quantum limits. For the force detection, relevant for atomic force microscopes, the lower bound is given by the so-called ultimate quantum limit. For the displacement detection, relevant for detecting gravitational waves, a generalized lower bound is obtained.
arXiv comment5 pages, 4 figures
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