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Entangled States of Atomic Solitons for Quantum Metrology

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The formation of multiparticle maximally path-entangled states (known as N00N-states) are considered along with their use in quantum metrology. It is shown how the standard quantum limit can be overcome and the Heisenberg limit can be reached when measuring the linear phase shift. It is also shown how the Heisenberg limit can be overcome when measuring the parameters of a medium in nonlinear quantum metrology.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 19-52-52012; and by the Government of the Russian Federation, grant no. 08-08.

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Authors and Affiliations

  1. St. Petersburg National Research University of Information Technologies, Mechanics, and Optics, 191002, St. Petersburg, Russia

    D. V. Tsarev, V. T. Ngo & A. P. Alodjants

Authors
  1. D. V. Tsarev
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  2. V. T. Ngo
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  3. A. P. Alodjants
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Corresponding author

Correspondence to D. V. Tsarev.

Additional information

Translated by I. Obrezanova

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Tsarev, D.V., Ngo, V.T. & Alodjants, A.P. Entangled States of Atomic Solitons for Quantum Metrology. Bull. Russ. Acad. Sci. Phys. 84, 254–257 (2020). https://doi.org/10.3103/S1062873820030235

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  • DOI: https://doi.org/10.3103/S1062873820030235

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