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Fast achievement of quantum state transfer and distributed quantum entanglement by dressed states 被引量:1
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作者 Liang Tian Li-Li Sun +5 位作者 Xiao-Yu Zhu Xue-Ke Song Lei-Lei Yan Er-Jun Liang Shi-Lei Su Mang Feng 《Chinese Physics B》 SCIE EI CAS CSCD 2020年第5期107-118,共12页
We propose schemes to realize quantum state transfer and prepare quantum entanglement in coupled cavity and cavity-fiber-cavity systems,respectively,by using the dressed state method.We first give the expression of pu... We propose schemes to realize quantum state transfer and prepare quantum entanglement in coupled cavity and cavity-fiber-cavity systems,respectively,by using the dressed state method.We first give the expression of pulses shape by using dressed states and then find a group of Gaussian pulses that are easy to realize in experiment to replace the ideal pulses by curve fitting.We also study the influence of some parameters fluctuation,atomic spontaneous emission,and photon leakage on fidelity.The results show that our schemes have good robustness.Because the atoms are trapped in different cavities,it is easy to perform different operations on different atoms.The proposed schemes have the potential applications in dressed states for distributed quantum information processing tasks. 展开更多
关键词 quantum state transfer dressed state method distributed quantum information processing
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