Efficient Generation of Frequency-Multiplexed Entangled Single Photons

被引:0
|
作者
Tian-Hui Qiu
Min Xie
机构
[1] Qingdao University of Technology,School of Science
[2] Jiangxi Normal University,College of Physics and Communication Electronics, and Center for Quantum Science and Technology
来源
International Journal of Theoretical Physics | 2016年 / 55卷
关键词
Frequency-multiplexed entangled single photons; Raman interaction; Quantum memory;
D O I
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中图分类号
学科分类号
摘要
We present two schemes to generate frequency-multiplexed entangled (FME) single photons by coherently mapping photonic entanglement into and out of a quantum memory based on Raman interactions. By splitting a single photon and performing subsequent state transfer, we separate the generation of entanglement and its frequency conversion, and find that the both progresses have the characteristic of inherent determinacy. Our theory can reproduce the prominent features of observed results including pulse shapes and the condition for deterministically generating the FME single photons. The schemes are suitable for the entangled photon pairs with a wider frequency range, and could be immune to the photon loss originating from cavity-mode damping, spontaneous emission, and the dephasing due to atomic thermal motion. The sources might have significant applications in wavelength-division-multiplexing quantum key distribution.
引用
收藏
页码:5086 / 5094
页数:8
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