Atom-photon entanglement in a four-level coherent media via structure light

被引:0
|
作者
Liu, Lina [1 ]
机构
[1] Lyuliang Univ, Dept Phys, Lyuliang 033001, Shanxi, Peoples R China
来源
MODERN PHYSICS LETTERS B | 2023年 / 37卷 / 27期
关键词
Structure light; orbital angular momentum; entropy; DESIGN;
D O I
10.1142/S0217984923501105
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this paper, we proposed a new model controlling the quantum entropy in a four-level quantum system via optical vortex structure light. The four-wave mixing (FWM) processes in the medium cause it to become phase-dependent. Therefore, the degree of entanglement (DEM) can be controlled via relative phase between applied lights when the deriving light becomes plane wave. However, for optical vortex of the deriving light, the spatial control of the DEM is possible via orbital angular momentum (OAM) of light. Our findings may have potential applications in the OAM-dependent devices in quantum information science.
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页数:9
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