Abstract
The form-invariant coherent pulse propagation in semiconductors excited at the 1s-exciton resonance is studied analytically with the reduced semiconductor Maxwell–Bloch equations. The sech-shaped pulse solution for the electric field is presented. The effects of Coulomb interactions between excitons and spatial dispersion are discussed. Applications to CdS and CdSe crystals are made.
© 1996 Optical Society of America
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