Radiation trapping under conditions of electromagnetically induced transparency
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Reabsorption of spontaneously emitted photons, or radiation trapping, is a process that occurs when light interacts with optically thick media. It is shown, both theoretically and experimentally, that this effect in optically thick atomic vapour leads to a decrease in transmission of coherent laser radiation propagating under conditions of electromagnetically induced transparency (EIT). A simple theory is developed taking into account the radiation trapping, which is in a good agreement with the experimental observations and exact numerical simulation. This allows better understanding of the physics of EIT in general, and properties of dense coherent atomic media in particular.
author list (cited authors)
Matsko, A. B., Novikova, I., & Welch, G. R.
complete list of authors
Matsko, AB||Novikova, I||Welch, GR