Implementation scheme for quantum controlled phase-flip gate through quantum dot in slow-light photonic crystal waveguide

被引:20
|
作者
Gao, Jie [1 ]
Sun, F. W. [1 ]
Wong, Chee Wei [1 ]
机构
[1] Columbia Univ, Opt Nanostruct Lab, New York, NY 10027 USA
关键词
D O I
10.1063/1.2999588
中图分类号
O59 [应用物理学];
学科分类号
摘要
We propose a scheme to realize controlled phase gate between two single photons through a single quantum dot in a slow-light photonic crystal waveguide. Enhanced Purcell factor and large beta-factor lead to high gate fidelity over broadband frequencies compared to cavity-assisted system. The excellent physical integration of this photonic crystal waveguide system provides tremendous potential for large-scale quantum information processing. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2999588]
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页数:3
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