Optical Quantum Metrology

Year: 2022

Authors: Barbieri., M.

Autors Affiliation: Univ Roma Tre, Dipartimento Sci, Via Vasca Navale 84, I-00146 Rome, Italy; CNR, Ist Nazl Ott, Largo Enrico Fermi 6, I-50125 Florence, Italy.

Abstract: The purpose of quantum technologies is to explore how quantum effects can improve on existing solu-tions for the treatment of information. Quantum photonics sensing holds great promise for reaching a more efficient trade-off between invasivity and quality of the measurement, when compared with the potential of classical means. This tutorial is dedicated to presenting how this advantage is brought about by non-classical light, examining the basic principles of parameter estimation and reviewing the state of the art.

Journal/Review: PRX QUANTUM

Volume: 3 (1)      Pages from: 10202-1  to: 10202-24

More Information: I am indebted to Animesh Datta and Marco Genoni for countless conversations on quantum metrology that constitute the basis of this tutorial. I also acknowledge exchange with F. Albarelli, V. Cavina, A. De Pasquale, V. Giovannetti, P. Grangier, P. Humphreys, Z. Huang, W.S. Kolthammer, C. Macchiavello, L. Maccone, M. Paternostr, M. Paris, L. Pezze, E. Polino, S. D’Aurelio, L.L. Sanchez-Soto, F. Sciarrino, A. Smerzi, N. Spagnolo, R. Tualle-Brouri, M. Vidirghin, I. Walmsley, A. White, and especially all current and past members of the NEQO group at Roma Tre: E. Roccia, V. Cimini, I. Gianani, L. Mancino, and M. Sbroscia. This work is supported by the European Commission via the FET-OPEN-RIA project STORMYTUNE (Grant Agreement No. 899587).
KeyWords: Ultimate Precision Limit; Squeezed States; Phase; Noise; Detector; Light; Information; Performance; Efficiency; Photons
DOI: 10.1103/PRXQuantum.3.010202

Citations: 51
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