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Delay of squeezing and entanglement using electromagnetically induced transparency in a vapour cell
2008
Optics Express
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 an input squeezing of 3.1 dB at low sideband frequencies, we observed the survival of 2 dB of squeezing at the EIT output. By splitting the squeezed light on a beam-splitter, we generated biased entanglement between
doi:10.1364/oe.16.007369
pmid:18545442
fatcat:6jkalcogzrc4fitsaaehjoelx4