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



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.


Optical superlattice Entangled Dicke state Entanglement concentration 



This work was supported by the National Natural Science Foundation of China (NSFC) (11604115).


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© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.School of Physics and Electronic Electrical EngineeringHuaiyin Normal UniversityHuaianChina

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