Quantum parameter estimation using general single-mode Gaussian states

We calculate the quantum Cramér--Rao bound for the sensitivity with which one or several parameters, encoded in a general single-mode Gaussian state, can be estimated. This includes in particular the interesting case of mixed Gaussian states. We apply the formula to the problems of estimating phase,...

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Veröffentlicht in:	Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2013-10, Vol.88 (4), Article 040102
Hauptverfasser:	Pinel, O., Jian, P., Treps, N., Fabre, C., Braun, D.
Format:	Artikel
Sprache:	eng
Schlagworte:	General Physics Physics
Online-Zugang:	Volltext
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