Light propagation in a three-dimensional Rydberg gas with a nonlocal optical response

Posted on 03.05.2021 - 13:49
We theoretically investigated the linear susceptibility and propagation of light in a three-dimensional (3-D) Rydberg gas under conditions of electromagnetically induced transparency. Rydberg atoms with two relevant S states were coupled via exchange interactions. When the gas was initially prepared in an entangled spin-wave state, this coupling induced a strong, nonlocal susceptibility whereby the photon field at one point of the medium acted as a source at a distant position. The nonlocal propagation occurred not only in the propagation direction but also in the paraxial direction. We discussed the absorption features and numerically simulated the 3-D propagation of probe laser light. Combined with a long-range exchange interaction, we showed that the 3-D Rydberg gas is an ideal medium for studying nonlocal wave phenomena, in which the strength, range, and sign of the nonlocal interaction kernel can be widely tuned.

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Zhou, Yanli (2021): Light propagation in a three-dimensional Rydberg gas with a nonlocal optical response. The Optical Society. Collection. https://doi.org/10.6084/m9.figshare.c.5402178.v2
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Yanli Zhou

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