Showing 21 - 40 results of 417 for search '"quantum metrology"', query time: 0.11s Refine Results
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    Sequential path entanglement for quantum metrology. by Jin, X, Peng, C, Deng, Y, Barbieri, M, Nunn, J, Walmsley, I

    Published 2013
    “…Path entanglement is a key resource for quantum metrology. Using path-entangled states, the standard quantum limit can be beaten, and the Heisenberg limit can be achieved. …”
    Journal article
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    QUANTUM METROLOGY WITHOUT QUANTUM ENTANGLEMENT by Datta, A, Shaji, A

    Published 2012
    “…We scrutinize the role of quantum entanglement in quantum metrology and discuss recent advances in nonlinear quantum metrology that allow improved scalings of the measurement precision with respect to the available resources. …”
    Journal article
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    Optimal Protocols for Quantum Metrology with Noisy Measurements by Sisi Zhou, Spyridon Michalakis, Tuvia Gefen

    Published 2023-10-01
    “…Measurement noise is a major source of noise in quantum metrology. Here, we explore preprocessing protocols that apply quantum controls to the quantum sensor state prior to the final noisy measurement (but after the unknown parameter has been imparted), aiming to maximize the estimation precision. …”
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    Article
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    Harnessing center-of-mass excitations in quantum metrology by Karol Gietka

    Published 2022-10-01
    “…In quantum metrology, one typically creates correlations among atoms or photons to enhance measurement precision. …”
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    Article
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    Random Bosonic States for Robust Quantum Metrology by M. Oszmaniec, R. Augusiak, C. Gogolin, J. Kołodyński, A. Acín, M. Lewenstein

    Published 2016-12-01
    “…We study how useful random states are for quantum metrology, i.e., whether they surpass the classical limits imposed on precision in the canonical phase sensing scenario. …”
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    Article
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    Efficient tools for quantum metrology with uncorrelated noise by Jan Kołodyński, Rafał Demkowicz-Dobrzański

    Published 2013-01-01
    “…Quantum metrology offers enhanced performance in experiments on topics such as gravitational wave-detection, magnetometry or atomic clock frequency calibration. …”
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    Article
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    Probe Incompatibility in Multiparameter Noisy Quantum Metrology by Francesco Albarelli, Rafał Demkowicz-Dobrzański

    Published 2022-03-01
    “…We derive fundamental bounds on the maximal achievable precision in multiparameter noisy quantum metrology, valid under the most general entanglement-assisted adaptive strategy, which are tighter than the bounds obtained by a direct use of single-parameter results. …”
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    Article
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    Nonclassical correlations for quantum metrology in thermal equilibrium by Sone, Akira, Zhuang, Quntao, Liu, Yixiang, Cappellaro, Paola

    Published 2020
    “…Nonclassical correlations beyond entanglement might provide a resource in quantum information tasks, such as quantum computation or quantum metrology. Quantum discord is a measure of nonclassical correlations to which entanglement belongs as a subset. …”
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    Article
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    Time-Energy Uncertainty Relation for Noisy Quantum Metrology by Philippe Faist, Mischa P. Woods, Victor V. Albert, Joseph M. Renes, Jens Eisert, John Preskill

    Published 2023-12-01
    “…Detection of very weak forces and precise measurement of time are two of the many applications of quantum metrology to science and technology. To sense an unknown physical parameter, one prepares an initial state of a probe system, allows the probe to evolve as governed by a Hamiltonian H for some time t, and then measures the probe. …”
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    Article