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