Abstract
We study the modified effect of slow-light soliton in a resonant three-level atomic system via electromagnetically induced transparency (EIT) by utilizing a microwave field. We derive a high-order nonlinear Schrödinger equation by using a perturbation method of multiple-scales, and calculate the modification of soliton velocity and frequency shift. We find that in the presence of the microwave field an obvious decrease of propagating velocity of soliton can be realized, which provides an effective method to slow down optical solitons in EIT systems. We also find that the down shift of oscillating frequency of soliton in such system can be largely suppressed by the microwave field.
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Li, L., Huang, G. Slow-light solitons in three-level atomic systems modified by a microwave field. Eur. Phys. J. D 58, 339–348 (2010). https://doi.org/10.1140/epjd/e2010-00129-1
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DOI: https://doi.org/10.1140/epjd/e2010-00129-1