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Delay of squeezing and entanglement using electromagnetically induced transparency in a vapour cell

Hetet, Gabriel; Buchler, Benjamin; Gloeckl, Oliver; Hsu, Magnus; Akulshin, A.; Bachor, Hans; Lam, Ping Koy


We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements of the probe field and find no appreciable excess noise from the EIT process. From input squeezing of 3.2±0.5 dB at low sideband frequencies, we observed the survival of 2.0±0.5 dB of squeezing at the EIT output. By splitting the squeezed light on a beam-splitter, we generated...[Show more]

CollectionsANU Research Publications
Date published: 2008-05-06
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.16.007369


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