The dynamics of the optomechanical entanglement between optical cavity field modes and a macroscopic me- chanical breathing mode in a whispering-gallery cavity as well as the continuous variable entanglement between t...The dynamics of the optomechanical entanglement between optical cavity field modes and a macroscopic me- chanical breathing mode in a whispering-gallery cavity as well as the continuous variable entanglement between the phase-quadrature amplitudes of the two whispering-gallery modes have been analysed. Simulated results indicate that under state-of-the^art experimental conditions, optomechanical entanglement is obvious and can occur even at temper- atures of above 40 K. Compared with the entanglement of the mechanical oscillator at the ground state temperature, optomechanical entanglement is more intense by several orders of magnitude.展开更多
基金Project supported by the National Natural Science Foundation of China (Grant Nos. 10647132 and 11104113)Hunan Provincial Natural Science Foundation, China (Grant Nos. 09JJ6011 and 11JJ6007)the Scientific Research Fund of Hunan Provincial Education,China (Grant No.10A100)
文摘The dynamics of the optomechanical entanglement between optical cavity field modes and a macroscopic me- chanical breathing mode in a whispering-gallery cavity as well as the continuous variable entanglement between the phase-quadrature amplitudes of the two whispering-gallery modes have been analysed. Simulated results indicate that under state-of-the^art experimental conditions, optomechanical entanglement is obvious and can occur even at temper- atures of above 40 K. Compared with the entanglement of the mechanical oscillator at the ground state temperature, optomechanical entanglement is more intense by several orders of magnitude.