Quantum Metrology
Restoring Heisenberg scaling in noisy quantum metrology by monitoring the environment
... study quantum frequency estimation for N qubits subject to independent Markovian noise via strategies based on time-continuous moni- toring of the ...standard quantum limit scal- ing, but with a constant ...
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Multi parameter quantum metrology
... multi-parameter quantum metrology are wide beyond its appeal as a domain for a deeper understanding of quantum ...of quantum technology itself. In a fault-tolerant quantum computer, the ...
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Estimating phase with a random generator: strategies and resources in multiparameter quantum metrology
... Quantum metrology aims to exploit quantum phenomena to overcome classical limitations in the estimation of relevant ...resources. Quantum enhanced precision is achievable at moderate N, while ...
10
Quantum communications and quantum metrology in the spacetime of a rotating planet
... of quantum metrology range from phase estimation in quantum optics to estimating the gravitational potential with Bose Einstein Condensates (BECs) [, ...between quantum physics and relativity ...
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Quantum metrology with cold atomic ensembles
... of quantum metrology [35, 36] describe linear interferometers, or equivalently systems of non-interacting particles, as models for precision ...the quantum limits of systems of interacting particles ...
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Quantum metrology in the context of quantum information: quantum Fisher Information and estimation strategies
... In practice, several experimentally demonstrated architec- tures in atomic physics are capable of realizing the Ramsey scheme by generating entangled inputs. These include spin- squeezed states and Schrodinger cat states ...
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Non asymptotic analysis of quantum metrology protocols beyond the Cramér Rao bound
... Quantum metrology employs quantum resources to en- hance the estimation of unknown parameters of interest that are not directly measurable ...the quantum Ziv-Zakai and Weiss-Weinstein bounds ...
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Quantum metrology with molecular ensembles
... of quantum metrology promises measurement devices that are fundamentally superior to conventional ...when quantum entanglement is harnessed, the precision achieved is supposed to scale more favorably ...
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Fault tolerant quantum metrology
... tum metrology such as ...assisted quantum metrology schemes [19], our FT quantum metrology framework enables a meaningful quantitative anal- ysis of the noise in devices in addition to ...
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Quantum metrology with full and fast quantum control
... of quantum metrology in [62–65], where time-inhomogeneity has been shown to be beneficial at short time-scales— the so-called Zeno regime—where the bath can no longer be as- sumed to be uncorrelated from ...
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Optimal quantum metrology of distant black bodies
... the quantum Fisher information to deter- mine the optimal measurements for simultaneous tem- perature and solid angle ...fundamental quantum mechanical de- scription of blackbody radiation, we demonstrate ...
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Analysis of quantum information processors using quantum metrology
... of quantum information processing de- vices is a challenging technical problem, and reducing sources of errors is an essential element of ...a quantum information processing de- vice, including composite ...
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Quantum-enhanced metrology with the single-mode coherent states of an optical cavity inside a quantum feedback loop
... Next we investigate the accuracy of a measurement, which uses the strong dependence of I(T ) on ϕ to de- duce information about ϕ. Figs. 4 and 5 show that this dependence is maximised for ϕ around 0.3 π. We there- fore ...
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Quantum jump metrology
... into quantum metrology with generalized sequential measurements by drawing analo- gies to hidden quantum Markov models ...in quantum metrology, these should depend in a nontrivial ...
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Legal Metrology and International Trade
... The Office of Weights and Measures of the National Institute of Standards and Technology (NIST) is responsible to promote uniformity among the states in weights and measures standards, laws, and practices to facilitate ...
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An Information Model for Surface Metrology
... According to ISO standards, the specification and verification of surface texture includes an ordered set of operations. In order to reduce the specification uncertainty, it is of importance to model the significant ...
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IT Security Standards and Legal Metrology – Transfer and Validation
... Thus it is proposed that legal metrology shall increasingly rely on IT components that are in accordance with widely accepted technical rules and standards. This applies in particular for all-purpose components ...
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Recent progress in high pressure metrology in Europe
... national metrology institutes in collaboration with a university, a research institute and five industrial companies are working on a joint research project within a framework of the European Metrology ...
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Surface Metrology for the Automotive Industry
... of metrology techniques for both research and quality ...surface metrology and associated characterisation techniques to improve and predict the performance of functional surfaces in a variety of ...
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Information rich surface metrology
... surface metrology are at the micro-scale, the availability of surface-specific point sets, akin to what is obtainable from a touch probe coordinate measuring machine (CMM), is seldom achievable (because of the low ...
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