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Type: Journal article
Title: Time- and frequency-domain polariton interference
Author: Campbell, G.
Hosseini, M.
Sparkes, B.
Lam, P.
Buchler, B.
Citation: New Journal of Physics, 2012; 14(3):033022-1-033022-10
Publisher: IOP Publishing
Issue Date: 2012
ISSN: 1367-2630
Statement of
G Campbell, M Hosseini, B M Sparkes, P K Lam and B C Buchler
Abstract: We present experimental observations of interference between an atomic spin coherence and an optical field in a Λ-type gradient echo memory. The interference is mediated by a strong classical field that couples a weak probe field to the atomic coherence through a resonant Raman transition. Interference can be observed between a prepared spin coherence and another propagating optical field, or between multiple Λ transitions driving a single-spin coherence. Our scheme can behave as a controllable time-delayed beamsplitter with dynamically tuneable splitting ratio and allows, in principle, for unity interference visibility.
Description: Published 13 March 2012
Rights: © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
DOI: 10.1088/1367-2630/14/3/033022
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