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 journalArticle

62 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
Pages (from-to)1-5
Number of pages5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume71
Issue number3
DOIs
Publication statusPublished - 1 Mar 2005
Externally publishedYes

Bibliographical note

An erratum for this article exists in Physical review A, vol. 74, issue 5, article 059902. DOI: 10.1103/PhysRevA.74.059902

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