Abstract
In this paper effects of external electric and magnetic fields, hydrostatic pressure and temperature on the electromagnetically induced transparency of a two-dimensional quantum dot are investigated. To do this, absorption as well as refractive index and the group velocity of the probe light pulse in the presence of external electric and magnetic fields are discussed. The results show that the electromagnetically induced transparency occurs in the system and its frequency, transparency window and group velocity of the probe field are strongly affected by the confinement potential, external fields, hydrostatic pressure and temperature. It is found that, in comparison with the atomic systems, electromagnetically induced transparency and the group velocity of light can be controlled via the confinement potential and external perturbations.
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