Entanglement between collective fields via phase-dependent electromagnetically induced transparency

Entanglement between collective fields via phase-dependent electromagnetically induced transparency
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通过相位相关的电磁感应透明度实现集体场之间的纠缠

DOI:
10.1103/physreva.81.033836
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发表时间:
2010-03
期刊:
影响因子:
2.9
通讯作者:
Shi, Wenxing
Shi, Wenxing
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Wang, Fei;Hu, Xiangming;Zhu, Yuzhu;Shi, Wenxing

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结果表明,在双{Lambda}组态的四能级系统中,通过相变电磁感应透明可以获得四个光场的连续可变纠缠。由于量子干涉,这四个场构成了两个量子拍子,表现为一对集体模,并经历了高度交叉的克尔非线性。结果,纠缠发生在两个集体模之间,以及来自不同集体模的任意两个单独的场之间。
We show that it is possible to obtain continuous variable entanglement for four optical fields via phase-dependent electromagnetically induced transparency in a four-level system in double-{Lambda} configuration. Due to quantum interference, the four fields constitute two quantum beats, behave as a pair of collective modes, and experience high cross Kerr nonlinearities. As a result, entanglement occurs between the two collective modes and between any two individual fields from the different collective modes.
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