According to quantum theory the energy exchange between physical systems is quantized.
As a direct consequence, measurement sensitivities are fundamentally limited by …

Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …

Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

We summarize important recent advances in quantum metrology, in connection to
experiments in cold gases, trapped cold atoms and photons. First we review simple …

Strongly correlated quantum systems give rise to many exotic physical phenomena,
including high-temperature superconductivity. Simulating these systems on quantum …

The statistical error in any estimation can be reduced by repeating the measurement and
averaging the results. The central limit theorem implies that the reduction is proportional to …

Quantum metrology holds the promise of an early practical application of quantum
technologies, in which measurements of physical quantities can be made with much greater …

Nonclassical states of light find applications in enhancing the performance of optical
interferometric experiments, with notable example of gravitational-wave detectors. Still, the …

The estimation of parameters characterizing dynamical processes is central to science and
technology. The estimation error changes with the number N of resources employed in the …

Quantum precision enhancement is of fundamental importance for the development of
advanced metrological optical experiments, such as gravitational wave detection and …