The effect of phase fluctuation and beam splitter fluctuation on two-photon quantum random walk

被引：0
|
作者：
张子静 [1 ]
王峰 [2 ]
宋杰 [1 ]
赵远 [1 ]
机构：
[1] Department of Physics Harbin Institute of Technology
[2] Tianjin Jinhang Institute of Physical Technique
来源：
Chinese Physics B | 2020年 / 02期
基金：
中国国家自然科学基金;
关键词：
quantum random walk; decoherence; random walk;
D O I：
暂无
中图分类号：
O572.31 [光子与规范粒子交子、引力子入此。]; O413 [量子论];
学科分类号：
摘要：
In the optical quantum random walk system,phase nuctuation and Deam splitter uuctuation are two unavoldable decoherence factors.These two factors degrade the performance of quantum random walk by destroying coherence,and even degrade it into a classical one.We propose a scheme for the simulation of quantum random walk using phase shifters,tunable beam splitters,and photodetectors.This proposed scheme enables us to analyze the effect of phase fluctuation and beam splitter fluctuation on two-photon quantum random walk.Furthermore,it is helpful to guide the control of phase fluctuation and beam snlitter fluctuation in the exneriment.
引用
收藏
页码：187 / 192
页数：6
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