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Phys Rev Lett. 2004 Mar 26;92(12):127902. Epub 2004 Mar 25.

Scalable photonic quantum computation through cavity-assisted interactions.

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  • 1FOCUS Center and MCTP, Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1120, USA.


We propose a scheme for scalable photonic quantum computation based on cavity-assisted interaction between single-photon pulses. The prototypical quantum controlled phase-flip gate between the single-photon pulses is achieved by successively reflecting them from an optical cavity with a single-trapped atom. Our proposed protocol is shown to be robust to practical noise and experimental imperfections in current cavity-QED setups.

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