Multiparameter approach to quantum phase estimation with limited visibility

Year: 2018

Authors: Roccia E., Cimini V., Sbrosca M., Gianani I., Ruggiero L., Mancino L., Genoni M.G., Ricci M.A., Barbieri M.

Autors Affiliation: Univ Roma Tre, Dipartimento Sci, Via Vasca Navale 84, I-00146 Rome, Italy; Univ Milan, Quantum Technol Lab, Dipartimento Fis, I-20133 Milan, Italy; Ist Nazl Ott CNR, Largo Enrico Fermi 6, I-50125 Florence, Italy

Abstract: Optical sensors based on quantum light need to work even in the presence of imperfections. Here we discuss how to address the presence of noise by measuring multiple parameters at once: those we seek to monitor and those linked to the imperfections. Our method is applied to the investigation of the optical activity of sugary solutions limited by reduced visibility. These studies introduce multiparameter estimation as a viable approach to allow for robust operation of quantum sensors as they are developed from fundamental research to technology. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Journal/Review: OPTICA

Volume: 5 (10)      Pages from: 1171  to: 1176

KeyWords: metrology; states; light
DOI: 10.1364/OPTICA.5.001171

Citations: 30
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