Heisenberg limit

In quantum metrology, and especially interferometry, the Heisenberg limit is the optimal rate at which the accuracy of a measurement can scale with…

Papers overview

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2016

Interferometers operating at or close to quantum limits of precision have found wide application in tabletop searches for physics…

2016

Classical imaging works by scattering photons from an object to be imaged, and achieves resolution scaling as $1/\sqrt{t}$, with…

2014

Using a quantum version of the Bell-Ziv-Zakai bound, I derive a Heisenberg limit to multiparameter estimation for any Gaussian…

2013

We report the experimental estimation of the Kerr coefficient of an optical fiber. Using bright classical fields and shot-noise…

2013

In this paper, multi-resolution Fourier analysis, labeled NY-MFA, suitable for time-varying spectra is proposed. It is shown that…

2013

only partially ameliorated via iterative implementations of the proposed schemes. The results are based on new information-theo…

2013

In quantum metrology schemes, one generally needs to prepare $m$ copies of $N$ entangled particles, such as entangled photon…

2010

This paper has been withdrawn by the authors due to a fatal flaw in the central proof.

2006

in Danish and English) ix

2004

We analyze the quantum limit to the sensitivity of the detection of small displacements. We focus on the case of free particles…