Abstract:Quantum metrology can achieve far better precision than classical metrology, and is one of the most important applications of quantum technologies in the real world. To attain the highest precision promised by quantum metrology, all steps of the schemes need to be optimized, which include the state preparation, parametrization and measurement. Here we review the recent progresses on the optimization of these steps, which are essential for the identification and achievement of the ultimate precision limit in qu… Show more
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