Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2009-06-18
Nonlinear Sciences
Pattern Formation and Solitons
Scientific paper
We consider the propagation of extremely short pulses through a dielectric thin film containing resonant atoms (two level atoms) with permanent dipole. Assuming that the film width is less than the field wave length, we can solve the wave equation and reduce the problem to a system of generalized Bloch equations describing the resonant atoms. We compute the stationary solutions for a constant irradiation of the film. Superimposing a small amplitude linear wave we compute the reflection and transmission coefficients. From these, one can then deduce the different parameters of the model. We believe this technique could be used in experiments to obtain the medium atomic and relaxation parameters.
Caputo Jean-Guy
Kazantseva Elena
Maimistov Andrei
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