Quantum Signature of a Squeezed Mechanical Oscillator

A. Chowdhury; P. Vezio; M. Bonaldi; A. Borrielli; F. Marino; B. Morana; G. A. Prodi; P. M. Sarro; E. Serra; F. Marin

doi:10.1103/PhysRevLett.124.023601

Quantum Signature of a Squeezed Mechanical Oscillator

A. Chowdhury^*, P. Vezio, M. Bonaldi, A. Borrielli, F. Marino, B. Morana, G. A. Prodi, P. M. Sarro, E. Serra, F. Marin

^*Corresponding author for this work

Electronic Components, Technology and Materials

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Abstract

Recent optomechanical experiments have observed nonclassical properties in macroscopic mechanical oscillators. A key indicator of such properties is the asymmetry in the strength of the motional sidebands produced in the probe electromagnetic field, which is originated by the noncommutativity between the oscillator ladder operators. Here we extend the analysis to a squeezed state of an oscillator embedded in an optical cavity, produced by the parametric effect originated by a suitable combination of optical fields. The motional sidebands assume a peculiar shape, related to the modified system dynamics, with asymmetric features revealing and quantifying the quantum component of the squeezed oscillator motion.

Original language	English
Article number	023601
Number of pages	6
Journal	Physical Review Letters
Volume	124
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.124.023601
Publication status	Published - 13 Jan 2020

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Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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AU - Morana, B.

AU - Prodi, G. A.

AU - Sarro, P. M.

AU - Serra, E.

AU - Marin, F.

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Quantum Signature of a Squeezed Mechanical Oscillator

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