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Machine Learning for Quantum Metrology

Sciprofile linkNicolò Spagnolo, Sciprofile linkAlessandro Lumino, Sciprofile linkEmanuele Polino, Adil S. Rab, Sciprofile linkNathan Wiebe, Sciprofile linkFabio Sciarrino
Published: 23 August 2019
 by  MDPI
Proceedings , Volume 12; doi:10.3390/proceedings2019012028

Abstract: Phase estimation represents a significant example to test the application of quantum theory for enhanced measurements of unknown physical parameters. Several recipes have been developed, allowing to define strategies to reach the ultimate bounds in the asymptotic limit of a large number of trials. However, in certain applications it is crucial to reach such bound when only a small number of probes is employed. Here, we discuss an asymptotically optimal, machine learning based, adaptive single-photon phase estimation protocol that allows us to reach the standard quantum limit when a very limited number of photons is employed.
Keywords: machine learning / Phase Estimation / Quantum metrology / Adaptive Protocols

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