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Chin. Phys. B, 2021, Vol. 30(1): 010305    DOI: 10.1088/1674-1056/abb7f4
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Enhancement of multiatom non-classical correlations and quantum state transfer in atom-cavity-fiber system

Qi-Liang He(贺启亮)†, Jian Sun(孙剑), Xiao-Shu Song(宋晓书), and Yong-Jun Xiao(肖勇军)
School of Physics and Electronics, Guizhou Normal University, Guiyang\/ 550001, China
Abstract  Taking the advantage of "parity kicks" pulses, we investigate the non-classical correlation dynamics and quantum state transfer in an atom-cavity-fiber system, which consists of two identical subsystems, each subsystem comprising of multiple two-level atoms trapped in two remote single-model optical cavities that are linked by an optical fiber. It is found that the non-classical correlations and the fidelity of quantum state transfer (between the atoms) can be greatly improved by the parity kicks pulses. In particular, with decrease of the time intervals between two consecutive pulses, perfect non-classical correlation transfer and entangled state transfer can be achieved.
Keywords:  atom-cavity-fiber system      quantum state transfer      parity kicks pulses  
Revised:  26 August 2020      Published:  23 December 2020
PACS:  03.65.Ud,03.67.-a,42.50.Pq  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11364006 and11264008), the Science and Technology Foundation of Guizhou Province, China (Grant No. [2017]7343), the Doctor Fund of Guizhou Normal University, and the Fund from the Key Laboratory of Low-dimensional Condensed Matter Physics of Higher Eeducational Institution of Guizhou Province, China (Grant No. [2016]002).
Corresponding Authors:  Corresponding author. E-mail: heliang005@163.com   

Cite this article: 

Qi-Liang He(贺启亮), Jian Sun(孙剑), Xiao-Shu Song(宋晓书), and Yong-Jun Xiao(肖勇军) Enhancement of multiatom non-classical correlations and quantum state transfer in atom-cavity-fiber system 2021 Chin. Phys. B 30 010305

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