Quantum Fisher information matrix and multiparameter estimation

J Liu, H Yuan, XM Lu, X Wang - Journal of Physics A …, 2020 - iopscience.iop.org
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 …

Quantum-enhanced measurements without entanglement

D Braun, G Adesso, F Benatti, R Floreanini… - Reviews of Modern …, 2018 - APS
Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …

[HTML][HTML] Photonic quantum metrology

E Polino, M Valeri, N Spagnolo, F Sciarrino - AVS Quantum Science, 2020 - pubs.aip.org
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 …

Quantum sensing with squeezed light

BJ Lawrie, PD Lett, AM Marino, RC Pooser - Acs Photonics, 2019 - ACS Publications
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 …

Geometric perspective on quantum parameter estimation

JS Sidhu, P Kok - AVS Quantum Science, 2020 - pubs.aip.org
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 …

Quantum limits in optical interferometry

R Demkowicz-Dobrzański, M Jarzyna, J Kołodyński - Progress in Optics, 2015 - Elsevier
Nonclassical states of light find applications in enhancing the performance of optical
interferometric experiments, with notable example of gravitational-wave detectors. Still, the …

Modes and states in quantum optics

C Fabre, N Treps - Reviews of Modern Physics, 2020 - APS
A few decades ago, quantum optics stood out as a new domain of physics by exhibiting
states of light with no classical equivalent. The first investigations concerned single photons …

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 …

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 …

Advances in quantum imaging

H Defienne, WP Bowen, M Chekhova, GB Lemos… - Nature …, 2024 - nature.com
Modern imaging technologies are widely based on classical principles of light or
electromagnetic wave propagation. They can be remarkably sophisticated, with recent …