Bloch oscillations of quasispin polaritons in a magneto-optically controlled atomic ensemble
arXiv:1204.5299 · doi:10.1016/j.physleta.2012.08.019
Abstract
We consider the propagation of a quantized polarized light in a magneto-optically manipulated atomic ensemble with a tripod configuration. Polariton formalism is applied when the medium is subjected to a washboard magnetic field under electromagnetically induced transparency. The dark-state polariton with multiple components is achieved. We analyze quantum dynamics of the dark-state polariton by some experiment data from rubidium D1-line. It is found that one component propagates freely, however the wavepacket trajectory of the other component performs Bloch oscillations.
6 pages, 4 figures
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