Scientific Results

Quantum correlations in optomechanical crystals

Year: 2019

Authors: Bemani F., Roknizadeh R., Motazedifard A., Naderi MH., Vitali D.

Autors Affiliation: Univ Isfahan, Fac Sci, Dept Phys, Esfahan 8174673441, Iran; Univ Isfahan, Fac Sci, Dept Phys, Quantum Opt Grp, Esfahan 8174673441, Iran; Univ Camerino, Sch Sci & Technol, Phys Div, I-62032 Camerino, MC, Italy; Ist Nazl Fis Nucl, Sez Perugia, Via A Pascoli, Perugia, Italy; CNR INO, Largo Enrico Fermi 6, I-50125 Florence, Italy

Abstract: The field of optomechanics provides us with several examples of quantum photon-phonon interface. In this paper, we theoretically investigate the generation and manipulation of quantum correlations in a microfabricated optomechanical array. We consider a system consisting of localized photonic and phononic modes interacting locally via radiation pressure at each lattice site with the possibility of hopping of photons and phonons between neighboring sites. We show that such an interaction can correlate various modes of a driven coupled optomechanical array with well-chosen system parameters. Moreover, in the linearized regime of Gaussian fluctuations, the quantum correlations not only survive in the presence of thermal noise, but may also be generated thermally. We find that these optomechanical arrays provide a suitable platform for quantum simulation of various many-body systems.


Volume: 99 (6)      Pages from: 063814-1  to: 063814-10

DOI: 10.1103/PhysRevA.99.063814

Citations: 2
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