Advances in quantum metrology
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 …
averaging the results. The central limit theorem implies that the reduction is proportional to …
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 …
[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 metrology from a quantum information science perspective
G Tóth, I Apellaniz - Journal of Physics A: Mathematical and …, 2014 - iopscience.iop.org
We summarize important recent advances in quantum metrology, in connection to
experiments in cold gases, trapped cold atoms and photons. First we review simple …
experiments in cold gases, trapped cold atoms and photons. First we review simple …
Two-photon interference: the Hong–Ou–Mandel effect
Nearly 30 years ago, two-photon interference was observed, marking the beginning of a
new quantum era. Indeed, two-photon interference has no classical analogue, giving it a …
new quantum era. Indeed, two-photon interference has no classical analogue, giving it a …
Optical quantum metrology
M Barbieri - PRX Quantum, 2022 - APS
The purpose of quantum technologies is to explore how quantum effects can improve on
existing solutions for the treatment of information. Quantum photonics sensing holds great …
existing solutions for the treatment of information. Quantum photonics sensing holds great …
Quantum plasmonic sensors
The extraordinary sensitivity of plasmonic sensors is well-known in the optics and photonics
community. These sensors exploit simultaneously the enhancement and the localization of …
community. These sensors exploit simultaneously the enhancement and the localization of …
Photonic quantum technologies
The first quantum technology that harnesses quantum mechanical effects for its core
operation has arrived in the form of commercially available quantum key distribution …
operation has arrived in the form of commercially available quantum key distribution …
Distributed quantum phase estimation with entangled photons
Distributed quantum metrology can enhance the sensitivity for sensing spatially distributed
parameters beyond the classical limits. Here we demonstrate distributed quantum phase …
parameters beyond the classical limits. Here we demonstrate distributed quantum phase …
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 …