Quantum Fisher information matrix and multiparameter estimation
Quantum Fisher information matrix (QFIM) is a core concept in theoretical quantum
metrology due to the significant importance of quantum Cramér–Rao bound in quantum …
metrology due to the significant importance of quantum Cramér–Rao bound in quantum …
Quantum-enhanced measurements without entanglement
Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …
sensitivity of measurements of certain physical parameters and have great potential for both …
[HTML][HTML] Photonic quantum metrology
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 …
aim of this research field is the estimation of unknown parameters exploiting quantum …
Quantum sensing with squeezed light
The minimum resolvable signal in sensing and metrology platforms that rely on optical
readout fields is increasingly constrained by the standard quantum limit, which is determined …
readout fields is increasingly constrained by the standard quantum limit, which is determined …
Geometric perspective on quantum parameter estimation
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 …
technologies, in which measurements of physical quantities can be made with much greater …
Quantum limits in optical interferometry
Nonclassical states of light find applications in enhancing the performance of optical
interferometric experiments, with notable example of gravitational-wave detectors. Still, the …
interferometric experiments, with notable example of gravitational-wave detectors. Still, the …
The elusive Heisenberg limit in quantum-enhanced metrology
R Demkowicz-Dobrzański, J Kołodyński… - Nature …, 2012 - nature.com
Quantum precision enhancement is of fundamental importance for the development of
advanced metrological optical experiments, such as gravitational wave detection and …
advanced metrological optical experiments, such as gravitational wave detection and …
Deterministic quantum phase estimation beyond N00N states
JAH Nielsen, JS Neergaard-Nielsen, T Gehring… - Physical Review Letters, 2023 - APS
The modern scientific method is critically dependent on precision measurements of physical
parameters. A classic example is the measurement of the optical phase enabled by optical …
parameters. A classic example is the measurement of the optical phase enabled by optical …
Advances in quantum imaging
Modern imaging technologies are widely based on classical principles of light or
electromagnetic wave propagation. They can be remarkably sophisticated, with recent …
electromagnetic wave propagation. They can be remarkably sophisticated, with recent …