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Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment. / Pontin, A.; Bonaldi, M.; Borrielli, Antonio; Marconi, L.; Marino, F.; Pandraud, Gregory; Prodi, G.A.; Sarro, Pasqualina M.; Serra, Enrico; Marin, F.

2017. Abstract from CLEO®/Europe-EQEC 2017, Munich, Germany.

Research output: Contribution to conferenceAbstractScientific

Harvard

Pontin, A, Bonaldi, M, Borrielli, A, Marconi, L, Marino, F, Pandraud, G, Prodi, GA, Sarro, PM, Serra, E & Marin, F 2017, 'Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment' CLEO®/Europe-EQEC 2017, Munich, Germany, 25/06/17 - 29/06/17, . https://doi.org/10.1109/CLEOE-EQEC.2017.8087321

APA

Pontin, A., Bonaldi, M., Borrielli, A., Marconi, L., Marino, F., Pandraud, G., ... Marin, F. (2017). Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment. Abstract from CLEO®/Europe-EQEC 2017, Munich, Germany. https://doi.org/10.1109/CLEOE-EQEC.2017.8087321

Vancouver

Pontin A, Bonaldi M, Borrielli A, Marconi L, Marino F, Pandraud G et al. Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment. 2017. Abstract from CLEO®/Europe-EQEC 2017, Munich, Germany. https://doi.org/10.1109/CLEOE-EQEC.2017.8087321

Author

Pontin, A. ; Bonaldi, M. ; Borrielli, Antonio ; Marconi, L. ; Marino, F. ; Pandraud, Gregory ; Prodi, G.A. ; Sarro, Pasqualina M. ; Serra, Enrico ; Marin, F. / Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment. Abstract from CLEO®/Europe-EQEC 2017, Munich, Germany.1 p.

BibTeX

@conference{3d262349fa664390b908122b16f81051,
title = "Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment",
abstract = "Summary form only given. According to quantum mechanics, there exists a class of observables for which is possible to confine the perturbation produced by a continuous measurement to the conjugate variable. Therefore, it is possible to devise experimental schemes that allow estimating the observed variable with arbitrary accuracy, or preparing it in a well-known state. Such schemes are referred to as quantum non-demolition measurements (QND). Among these observables there is the amplitude of the light field. Indeed, it is possible to exploit a movable mirror to implement a QND scheme [1]. Intensity fluctuations of an optical field impinging on it are not affected by the interaction. However, the movable mirror is excited by the associated radiation pressure. This, in turn, affects the phase of the field.We have performed an optomechanical experiment, based on a Fabry-P{\'e}rot cavity in which the end mirror is a high Q micro-mechanical device [2], where we have simultaneously measured intensity fluctuations of the field reflected by the cavity and the mirror motion imprinted in the phase fluctuations. By exploiting the correlations between these variables, we demonstrate a reduced uncertainty on intensity fluctuations actually achieving a sub-shot noise level.",
author = "A. Pontin and M. Bonaldi and Antonio Borrielli and L. Marconi and F. Marino and Gregory Pandraud and G.A. Prodi and Sarro, {Pasqualina M.} and Enrico Serra and F. Marin",
year = "2017",
doi = "10.1109/CLEOE-EQEC.2017.8087321",
language = "English",
note = "CLEO{\circledR}/Europe-EQEC 2017 : Conference on Lasers and Electro-Optics - European Quantum Electronics Conference ; Conference date: 25-06-2017 Through 29-06-2017",
url = "http://www.cleoeurope.org/",

}

RIS

TY - CONF

T1 - Quantum nondemolition measurement of light intensity fluctuations in an optomechanical experiment

AU - Pontin, A.

AU - Bonaldi, M.

AU - Borrielli, Antonio

AU - Marconi, L.

AU - Marino, F.

AU - Pandraud, Gregory

AU - Prodi, G.A.

AU - Sarro, Pasqualina M.

AU - Serra, Enrico

AU - Marin, F.

PY - 2017

Y1 - 2017

N2 - Summary form only given. According to quantum mechanics, there exists a class of observables for which is possible to confine the perturbation produced by a continuous measurement to the conjugate variable. Therefore, it is possible to devise experimental schemes that allow estimating the observed variable with arbitrary accuracy, or preparing it in a well-known state. Such schemes are referred to as quantum non-demolition measurements (QND). Among these observables there is the amplitude of the light field. Indeed, it is possible to exploit a movable mirror to implement a QND scheme [1]. Intensity fluctuations of an optical field impinging on it are not affected by the interaction. However, the movable mirror is excited by the associated radiation pressure. This, in turn, affects the phase of the field.We have performed an optomechanical experiment, based on a Fabry-Pérot cavity in which the end mirror is a high Q micro-mechanical device [2], where we have simultaneously measured intensity fluctuations of the field reflected by the cavity and the mirror motion imprinted in the phase fluctuations. By exploiting the correlations between these variables, we demonstrate a reduced uncertainty on intensity fluctuations actually achieving a sub-shot noise level.

AB - Summary form only given. According to quantum mechanics, there exists a class of observables for which is possible to confine the perturbation produced by a continuous measurement to the conjugate variable. Therefore, it is possible to devise experimental schemes that allow estimating the observed variable with arbitrary accuracy, or preparing it in a well-known state. Such schemes are referred to as quantum non-demolition measurements (QND). Among these observables there is the amplitude of the light field. Indeed, it is possible to exploit a movable mirror to implement a QND scheme [1]. Intensity fluctuations of an optical field impinging on it are not affected by the interaction. However, the movable mirror is excited by the associated radiation pressure. This, in turn, affects the phase of the field.We have performed an optomechanical experiment, based on a Fabry-Pérot cavity in which the end mirror is a high Q micro-mechanical device [2], where we have simultaneously measured intensity fluctuations of the field reflected by the cavity and the mirror motion imprinted in the phase fluctuations. By exploiting the correlations between these variables, we demonstrate a reduced uncertainty on intensity fluctuations actually achieving a sub-shot noise level.

U2 - 10.1109/CLEOE-EQEC.2017.8087321

DO - 10.1109/CLEOE-EQEC.2017.8087321

M3 - Abstract

ER -

ID: 44907048