Coherence and interference in a Rydberg atom in a strong laser field: excitation, ionization, and emission of light
- 1 April 1990
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 7 (4) , 569-573
- https://doi.org/10.1364/josab.7.000569
Abstract
Excitation and photoionization of Rydberg wave packets are described. Interference of bound-free transitions from many coherently populated Rydberg levels is shown to affect the dependence of the photoionization probability on the duration of interaction. Strong-field interference effects in such a system are described also. The most important of these is the field-induced interference stabilization of Rydberg atoms in a strong ionizing field. The intensity range in which this effect can exist is determined. The results derived are used for a qualitative model describing supercontinuum emission in the process of multiphoton ionization.Keywords
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