Entanglement generation and entanglement concentration of two-photon four-dimensional spatial modes partially entangled Dicke state

被引：0
|
作者：
Jin Shi
机构：
[1] Huaiyin Normal University,School of Physics and Electronic Electrical Engineering
来源：
Quantum Information Processing | 2017年 / 16卷
关键词：
Optical superlattice; Entangled Dicke state; Entanglement concentration;
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学科分类号：
摘要：
Two-photon four-dimensional spatial modes partially entangled Dicke state can be compactly generated from six concurrent spontaneous parametric down-conversion processes by cascading poling domain structures in 5% MgO-doped poled lithium niobate bulk crystal. Entanglement concentration of the two-photon four-dimensional spatial modes partially entangled Dicke state can be realized by using quantum nondestructive detection of nonlinear Kerr medium, optical beam splitter, and quantum gate operation.
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