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Optomechanical entanglement of a macroscopic oscillator by quantum feedback
Preview AbstractWe propose a scheme to generate the case of macroscopic entanglement in the optomechanical system, which consist of Fabry–Perot cavity and a mechanical oscillator by applying a homodyne-mediated quantum feedback. We explore the effect of feedback on the entanglement in vacuum and coherent state, respectively. The results show that the introduction of quantum feedback can increase the entanglement effectively between the cavity mode and the oscillator mode.