3 papers
quant-ph2026
Resourcefulness of non-classical continuous-variable quantum gates
Massimo Frigerio, Antoine Debray, Nicolas Treps +1
In continuous-variable quantum computation, identifying key elements that enable a quantum computational advantage is a long-standing issue. Starting from the standard results on t…
quant-ph2025
Joint estimation of position and momentum with arbitrarily high precision using non-Gaussian states
Massimo Frigerio, Matteo G. A. Paris, Carlos Ernesto Lopetegui +1
We address the joint estimation of changes in the position and linear momentum of a quantum particle or, equivalently, changes in the complex field of a bosonic mode. Although thes…
quant-ph2024
Overcoming sloppiness for enhanced metrology in continuous-variable quantum statistical models
Massimo Frigerio, Matteo G. A. Paris
Multi-parameter statistical models may depend only on some functions of the parameters that are fewer than the number of initial parameters themselves. Such \emph{sloppy} statistic…