Abstract
A number of experiments have been performed on light slowing and stopping in the electromagnetically induced transparency (EIT) media of hot atomic gases where the Doppler-shift may add detunings to the field frequencies in an inhomogeneous fashion. We provide here a theoretical analysis as to the effect of such a Doppler-broadened environment on the dynamics of the system in comparison to a cold atomic medium. We will show that one of the most critical factors in the formation of a stationary light pulse is the enhancement of the excited-state decay rate caused by the collisions between the atoms of the medium and the molecules of the buffer gas.
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Chough, YT. Formation of a Stationary Light Pulse in a Doppler-Broadened EIT Medium. J. Korean Phys. Soc. 73, 1479–1485 (2018). https://doi.org/10.3938/jkps.73.1479
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DOI: https://doi.org/10.3938/jkps.73.1479