Squeezing and entanglement delay using slow light

Amy Peng*, Mattias Johnsson, W. P. Bowen, P. K. Lam, H. A. Bachor, J. J. Hope

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    71 Citations (Scopus)

    Abstract

    We examine the interaction of a weak probe with N atoms in a A-level configuration under the conditions of electromagnetically induced transparency (EIT). In contrast to previous works on EIT, we calculate the output state of the resultant slowly propagating light field while taking into account the effects of ground state dephasing and atomic noise for a more realistic model. In particular, we propose two experiments using slow light with a nonclassical probe field and show that two properties of the probe, entanglement and squeezing, characterizing the quantum state of the probe field, can be well-preserved throughout the passage.

    Original languageEnglish
    Article number033809
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume71
    Issue number3
    DOIs
    Publication statusPublished - 1 Mar 2005

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