Femtosecond pulse propagation in a medium of two-level atoms

Anatoli V. Andreev; A. B. Kozlov

doi:10.1117/12.341487

5 March 1999 Femtosecond pulse propagation in a medium of two-level atoms

Anatoli V. Andreev, A. B. Kozlov

Proceedings Volume 3735, ICONO '98: Ultrafast Phenomena and Interaction of Superstrong Laser Fields with Matter: Nonlinear Optics and High-Field Physics; (1999) https://doi.org/10.1117/12.341487
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

The interaction of femtosecond pulse with an extended medium of the two-level atoms or molecules is considered. It is shown that in the ultrahigh intensity layer field the atomic response is extremely nonmonochromatic due to the nonlinearity appropriate to the two-level system. The theoretical analyses shows that the two-level system tends to the generation of harmonics of the driving field. The results of the computer simulations show that in the ultrahigh fields the spectrum of the medium response is unusually broad in comparison with that for the fields of moderate intensity.

Citation Download Citation

Anatoli V. Andreev and A. B. Kozlov "Femtosecond pulse propagation in a medium of two-level atoms", Proc. SPIE 3735, ICONO '98: Ultrafast Phenomena and Interaction of Superstrong Laser Fields with Matter: Nonlinear Optics and High-Field Physics, (5 March 1999); https://doi.org/10.1117/12.341487

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