Reservoir-engineered entanglement in a hybrid modulated three-mode optomechanical system
Reservoir-engineered entanglement in a hybrid modulated three-mode optomechanical system
复制标题
混合调制三模光机械系统中储层工程纠缠
DOI:
10.1103/physreva.97.042314
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发表时间:
2018-03
影响因子:
2.9
通讯作者:
Lin Xiu Min
中科院分区:
文献类型:
--
作者:
Liao Chang Geng;Chen Rong Xin;Xie Hong;Lin Xiu Min
We propose an effective approach for generating highly pure and strong cavity-mechanical entanglement (or optical-microwave entanglement) in a hybrid modulated three-mode optomechanical system. By applying a two-tone driving to the cavity and modulating coupling strength between two mechanical oscillators (or between a mechanical oscillator and a transmission line resonator), we obtain an effective Hamiltonian where an intermediate mechanical mode acting as an engineered reservoir cools the Bogoliubov modes of two target system modes via beam-splitter-like interactions. In this way, the two target modes are driven to two-mode squeezed states in the stationary limit. In particular, we discuss the effects of cavity-driving detuning on the entanglement and the purity. It is found that the cavity-driving detuning plays an critical role in the goal of acquiring highly pure and strongly entangled steady states.
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