Matteo G. A. Paris is a theoretical physicist working on quantum information, quantum optics and quantum measurement. His article Quantum estimation for quantum technology by Matteo G. A. Paris explains how to estimate quantities encoded in a quantum state when a direct measurement of the desired parameter is unavailable.
The treatment uses the symmetric logarithmic derivative and Quantum Fisher information to bound attainable precision and compare measurement strategies. It connects the choice of measurement with statistical estimation, rather than assuming that repeated observations automatically achieve the best possible accuracy.[ref]
Quantum estimation for quantum technology by Matteo G. A. Paris. §2, local quantum estimation; 2008 preprint, 2009 journal publication
Institutional profile: www.unimi.it/it/ugov/person/matteo-paris.
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