مشخصات پژوهش

Based on the f-oscillator formalism, we introduce a nonlinear optomechanical framework which is constructed from the standard optomechanical system by deforming the singlemode photonic-field operators. Such a generalized optomechanical system describes an intensity-dependent interaction of a mechanical oscillator with a single-mode electromagnetic field. To gain insight into the effectiveness of the non-linearization processes, we investigate the role of the involving parameters especially the nonlinearity function that controls the entanglement and statistical properties of the photon-phonon state was considered. Thus, we apply the linear entropy measure and the Wigner function to quantify the entanglement and non-classical properties of this composite system and the condition in which quantum entanglement and negativity of the Wigner function can be enhanced and maximized has been identified. Thus, depending on an election of the nonlinearity function, one can observe different non-classical effects. These trends are compared with those obtained for the standard optomechanical system including photon-phonon interaction, too.