Results 161 to 170 of about 4,829 (196)
Fabrication of graphene-based quantum Hall networks and influences of partial star-mesh recursion. [PDF]
Mater Res ExpressScaletta DS +9 more
europepmc +1 more source
A quantum resistance memristor for an intrinsically traceable International System of Units standard. [PDF]
Nat NanotechnolMilano G +19 more
europepmc +1 more source
Vibration Compensation for a High-Precision Atomic Gravimeter Based on an Improved Whale Optimization Algorithm. [PDF]
Sensors (Basel)Guo X, Zhang Y, Liu Z, Wang Y, Wang S.
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Advances in quantum metrology [PDF]
Nature Photonics, 2011 In classical estimation theory, the central limit theorem implies that the statistical error in a measurement outcome can be reduced by an amount proportional to n^(-1/2) by repeating the measures n times and then averaging. Using quantum effects, such as entanglement, it is often possible to do better, decreasing the error by an amount proportional to
Lorenzo Maccone +2 more
exaly +10 more sources
Nature Photonics, 2013 5 pages, 3 figures; includes supplementary ...
Roman Schnabel +2 more
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Memory Effects in Quantum Metrology [PDF]
Physical Review Letters, 2019 Quantum metrology concerns estimating a parameter from multiple identical uses of a quantum channel. We extend quantum metrology beyond this standard setting and consider estimation of a physical process with quantum memory, here referred to as a parametrized quantum comb.
Yuxiang Yang
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2023
Abstract Chapter 24 provides a compact introduction to the topic of quantum metrology, focusing on Hamiltonian parameter estimation in the frequentist and in the Bayesian paradigms. We first discuss how estimates of non-directly measurable quantities such as phases are obtained from measurement statistics in the frequentist approach.
Reinhold A. Bertlmann, Nicolai Friis
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Abstract Chapter 24 provides a compact introduction to the topic of quantum metrology, focusing on Hamiltonian parameter estimation in the frequentist and in the Bayesian paradigms. We first discuss how estimates of non-directly measurable quantities such as phases are obtained from measurement statistics in the frequentist approach.
Reinhold A. Bertlmann, Nicolai Friis
openaire +2 more sources
Metrology for Quantum Communication
2015 IEEE Globecom Workshops (GC Wkshps), 2015INRIM is making efforts to produce a metrology for quantum communication purposes, ranging from the establishment of measurement procedures for specific quantities related to QKD components, namely pseudo single-photon sources and detectors, to the implementation of novel QKD protocol based on paradigm other than non-commuting observables, to the ...
Piacentini, F. +8 more
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Multi-parameter quantum metrology [PDF]
Advances in Physics: X, 2016 The simultaneous quantum estimation of multiple parameters can provide a better precision than estimating them individually. This is an effect that is impossible classically. We review the rich background of multi-parameter quantum metrology, some of the main results in the field and its recent advances.
Animesh Datta
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