A universal quantum frequency converter via four-wave-mixing processes

被引:2
|
作者
Cheng, Mingfei [1 ,2 ]
Fang, Jinghuai [2 ]
机构
[1] Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China
[2] Nantong Univ, Coll Sci, Nantong 226019, Peoples R China
关键词
Quantum frequency converter; Four-wave-mixing process; Quantum information processing; ATOMIC ENSEMBLES; LINEAR OPTICS; COMMUNICATION; ENTANGLEMENT; SYSTEMS;
D O I
10.1016/j.optcom.2016.01.020
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a convenient and flexible way to realize a universal quantum frequency converter by using nondegenerate four-wave-mixing processes in the ladder-type three-level atomic system. It is shown that quantum state exchange between two fields with large frequency difference can be readily achieved, where one corresponds to the atomic resonant transition in the visible spectral region for quantum memory and the other to the telecommunication range wavelength (1550 nm) for long-distance transmission over optical fiber. This method would bring great facility in realistic quantum information processing protocols with atomic ensembles as quantum memory and low-loss optical fiber as transmission channel. (C) 2016 Published by Elsevier B.V.
引用
收藏
页码:54 / 57
页数:4
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