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Phase estimation algorithm for the multibeam optical metrology

  • V. V. Zemlyanov
  • , N. S. Kirsanov
  • , M. R. Perelshtein
  • , D. I. Lykov
  • , O. V. Misochko
  • , M. V. Lebedev
  • , V. M. Vinokur*
  • , G. B. Lesovik
  • *Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

6 Sitaatiot (Scopus)
91 Lataukset (Pure)

Abstrakti

Unitary Fourier transform lies at the core of the multitudinous computational and metrological algorithms. Here we show experimentally how the unitary Fourier transform-based phase estimation protocol, used namely in quantum metrology, can be translated into the classical linear optical framework. The developed setup made of beam splitters, mirrors and phase shifters demonstrates how the classical coherence, similarly to the quantum coherence, poses a resource for obtaining information about the measurable physical quantities. Our study opens route to the reliable implementation of the small-scale unitary algorithms on path-encoded qudits, thus establishing an easily accessible platform for unitary computation.

AlkuperäiskieliEnglanti
Artikkeli8715
Sivut1-8
Sivumäärä8
JulkaisuScientific Reports
Vuosikerta10
Numero1
DOI - pysyväislinkit
TilaJulkaistu - 1 jouluk. 2020
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Rahoitus

We thank Andrey Elagin, Sandy Heinz and Scott Wakely for furnishing facilities at the UChicago Enrico Fermi Institute where the part of this work was completed. The work of V.M.V. was supported by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. The work was also supported by the Government of the Russian Federation (Agreement 05.Y09.21.0018), by the RFBR Grants No. 17-02-00002 (M.V.L. and O.V.M.), 17-02-00396A, 18-02-00642A and 19-32-80005 (N.S.K. and M.R.P.), Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”, the Ministry of Education and Science of the Russian Federation 16.7162.2017/8.9, and by NSF grant DMR1809188 (N.S.K.).

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