Publish in OALib Journal
APC: Only $99
The dependence of dispersion characteristics of electric permittivity and group velocity on the temperature in a three-level quantum coherent atomic vapor is considered based on the numerical solution of the density matrix equation of the three-level atomic system. The behavior of dispersion of all the density matrix elements has been obtained, and both the Doppler frequency shift and the saturation density that depend upon the temperature of the saturated atomic vapor have been taken into account. The presented optical response of the quantum coherent vapor can be utilized as a fundamental mechanism for some temperature-controlled photonic devices such as optical switches, photonic logic gates and optical transistors.