Colloquium: Quantum coherence as a resource
The coherent superposition of states, in combination with the quantization of observables,
represents one of the most fundamental features that mark the departure of quantum …
represents one of the most fundamental features that mark the departure of quantum …
Quantum metrology with nonclassical states of atomic ensembles
Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …
communications. This has stimulated the research in different areas of physics to engineer …
[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 …
Beyond crystallography: Diffractive imaging using coherent x-ray light sources
X-ray crystallography has been central to the development of many fields of science over the
past century. It has now matured to a point that as long as good-quality crystals are …
past century. It has now matured to a point that as long as good-quality crystals are …
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 …
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 …
Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …
reduction in the computational resources required to study the Lindblad dynamics of …
Achieving the Heisenberg limit in quantum metrology using quantum error correction
Quantum metrology has many important applications in science and technology, ranging
from frequency spectroscopy to gravitational wave detection. Quantum mechanics imposes …
from frequency spectroscopy to gravitational wave detection. Quantum mechanics imposes …
Generalized geometric quantum speed limits
The attempt to gain a theoretical understanding of the concept of time in quantum mechanics
has triggered significant progress towards the search for faster and more efficient quantum …
has triggered significant progress towards the search for faster and more efficient quantum …