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arXiv · 1208.5817

Universal optimal broadband photon cloning and entanglement creation in one dimensional atoms

D. Valente·Y. Li·J. P. Poizat·J. M. Gerard·L. C. Kwek·M. F. Santos·A. Auffeves
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Abstract

We study an initially inverted three-level atom in the lambda configuration embedded in a waveguide, interacting with a propagating single-photon pulse. Depending on the temporal shape of the pulse, the system behaves either as an optimal universal cloning machine, or as a highly efficient deterministic source of maximally entangled photon pairs. This quantum transistor operates over a wide range of frequencies, and can be implemented with today's solid-state technologies.

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D. Valente, Y. Li, J. P. Poizat, J. M. Gerard, L. C. Kwek, M. F. Santos, A. Auffeves. 2012-08-29. Universal optimal broadband photon cloning and entanglement creation in one dimensional atoms. https://doi.org/10.1103/physreva.86.022333

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