Quantum synchronization of two mechanical oscillators in coupled optomechanical systems with Kerr nonlinearity

被引：0
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作者：
Guo-jian Qiao
Hui-xia Gao
Hao-di Liu
X. X. Yi
机构：
[1] Northeast Normal University,Center for Quantum Sciences and School of Physics
[2] Northeast Normal University,National Demonstration Center for Experimental Physics Education
来源：
Scientific Reports | / 8卷
关键词：
Quantum Synchronization; Kerr Nonlinearity; Optomechanical System; Mechanical Oscillations; Cavity Detuning;
D O I：
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摘要：
We investigate the quantum synchronization phenomena of two mechanical oscillators of different frequencies in two optomechanical systems under periodically modulating cavity detunings or driving amplitudes, which can interact mutually through an optical fiber or a phonon tunneling. The cavities are filled with Kerr-type nonlinear medium. It is found that, no matter which the coupling and periodically modulation we choose, both of the quantum synchronization of nonlinear optomechanical system are more appealing than the linear optomechanical system. It is easier to observe greatly enhanced quantum synchronization with Kerr nonlinearity. In addition, the different influences on the quantum synchronization between the two coupling ways and the two modulating ways are compared and discussed.
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