Abstract
In recent years, the storage of light using electromagnetically induced transparency (EIT) has become a well-known technique, with an obvious prospect for future quantum information systems. Utilizing this unique light-matter interaction, the complex amplitude of a 'probe' pulse can be stored onto the ground-state coherence of room-temperature atomic ensemble and can be retrieved after a controllable delay. The storage fidelity is limited by decay mechanisms of the ground-state coherence. Here, we study the spatial behavior of two- and three-dimensional probe fields, under the influence of the thermal atomic diffusion.
© 2009 IEEE
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