Sideband entanglement in collective resonance fluorescence

Sideband entanglement in collective resonance fluorescence
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集体共振荧光中的边带纠缠

DOI:
10.1088/1674-1056/20/11/114205
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发表时间:
2011-11
期刊:
影响因子:
1.7
通讯作者:
Hu Xiangming
Hu Xiangming
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang Xuehua;Hu Xiangming

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我们检查了来自强驱动的两能级原子系综的集体共振荧光中莫洛边带之间的量子相关性。通过使用Shchukin和Vogel提出的准则,我们证明了两个分离的边带之间存在非高斯纠缠。其机制可以追溯到自发参数过程,其中建立了非经典相关性。这表明集体共振荧光为非高斯纠缠光提供了连续光源,因此在量子信息和量子计算的各种应用中具有巨大的潜力。
We examine the quantum correlation between the Mollow sidebands in the collective resonance fluorescence from a strongly driven ensemble of two-level atoms. By using the criterion proposed by Shchukin and Vogel, we show that non-Gaussian entanglement exists between the two separated sidebands. The responsible mechanism is traced to the spontaneous parametric process, in which the nonclassical correlation is established. This suggests that the collective resonance fluorescence provides a continuous source for the non-Gaussian entangled light and thus has great potentials for various applications in quantum information and quantum computation.
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