Transient dispersion and absorption in a V-shaped atomic system |
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Authors: | M Sahrai A Maleki R Hemmati and M Mahmoudi |
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Abstract: | We investigate the dynamical behavior of the dispersion and the absorption
in a V-type three level atomic system. It is shown that in the presence of
decay-induced interference the probe dispersion and absorption are phase
dependent. We find that an incoherent pumping field provides an additional
control parameter for switching the group velocity of a light pulse. The
required switching times for switching the group velocity of a probe field
from subluminal to superluminal pulse propagation is then discussed. |
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