Realizing quantum controlled phase-flip gate through quantum dot in silicon slow-light photonic crystal waveguide

Details Realizing quantum controlled phase-flip gate through quantum dot in silicon slow-light photonic crystal waveguide Realizing quantum controlled phase-flip gate through quantum dot in silicon slow-light photonic crystal waveguide

2008-03-07

arxiv.org/abs/0803.1017v1

Physics

Optics

9 pages, 3 figures

Scientific paper

10.1063/1.2999588

We propose a scheme to realize controlled phase gate between two single photons through a single quantum dot in slow-light silicon photonic crystal waveguide. Enhanced Purcell factor and beta factor lead to high gate fidelity over broadband frequencies compared to cavity-assisted system. The excellent physical integration of this silicon photonic crystal waveguide system provides tremendous potential for large-scale quantum information processing.

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