Polarization phase gate with a tripod atomic system

S. Rebić*, D. Vitali, C. Ottaviani, P. Tombes, M. Artoni, F. Cataliotti, R. Corbalán

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    174 Citations (Scopus)

    Abstract

    The nonlinear optical response of a four-level atomic system driven into a tripod configuration was analyzed. It was shown that the large cross-Kerr nonlinearities that occur in such a system produces nonlinear phase shifts of order π. It was shown that such a substantial phase shift might be observed in a cold atomic gas in a magneto-optical trap where it could be exploited towards the realization of a polarization quantum phase gate. The experimental feasibility of the gate was also investigated in detail.

    Original languageEnglish
    Article number032317
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume70
    Issue number3
    DOIs
    Publication statusPublished - 2004

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