混合腔光力系统的双光子散射

Abstract

We study two-photon scattering in a mixed cavity optomechanical system, which is composed of a singlemode cavity field coupled to a single-mode mechanical oscillation via both the first-order and quadratic optomechanical interactions.By solving the scattering problem within the Wigner-Weisskopf framework, we obtain the analytical scattering state and find four physical processes associated with the two-photon scattering in this system.We calculate the two-photon scattering spectrum and find that two-photon frequency anticorrelation can be induced in the scattering process.We also establish the relationship between the parameters of the mixed cavity optomechanical system and the characteristics of the two-photon scattering spectrum.This work not only provides a scattering means to create correlated photon pairs, but also presents a spectrometric method to characterize the optomechanical systems.