EIT and diffusion of atomic coherence
I. Novikova, Y. Xiao, D. F. Phillips, R. L. Walsworth
Abstract
We study experimentally the effect of diffusion of Rb atoms on Electromagnetically Induced Transparency (EIT) in a buffer gas vapor cell. In particular, we find that diffusion of atomic coherence in-and-out of the laser beam plays a crucial role in determining the EIT resonance lineshape and the stored light lifetime.
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