Fock-state superradiance in a cold atomic ensemble
arXiv:1809.07787 · doi:10.1016/j.optcom.2019.01.039
Abstract
A simplified theory for the wavepackets of the photons emitted during the read process of a quantum memory formed by cold atoms is provided. We arrive at analytical expressions for the single- and double-photon emissions, evidencing superradiant features in both cases. In the two-photon case, both photons are emitted in the same spatiotemporal mode, characterizing a superradiant emission of a Fock state of light with two excitations. Experiments confirm the theoretical predictions with a satisfactory agreement.
arXiv comment12 pages, 7 figures
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