Femtosecond parametric excitation of electromagnetic field in a cavity
Lozovik Yu. E. , Tsvetus V. G. , Vinogradov E. A.
The method of parametric excitation of electromagnetic waves in a cavity (particularly from the vacuum state) is discussed. Parametric excitation of electromagnetic waves is accomplished creating a dense plasma layer which represents the "mobile" wall of the cavity. The mobile plasma layer can be produced by irradiating a semiconductor film with femtosecond laser pulses. Parametrically excited radiation can be resolved from radiation of another origin by analysis of its squeezing, specific angle distribution, and by time-resolved recording. © 1995 American Institute of Physics.
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![](/ps/1208/article_18257_800_head.png "The method of parametric excitation of electromagnetic waves in a cavity (particularly from the vacuum state) is discussed. Parametric excitation of electromagnetic waves is accomplished creating a dense plasma layer which represents the "mobile" wall of the cavity. The mobile plasma layer can be produced by irradiating a semiconductor film with femtosecond laser pulses. Parametrically excited radiation can be resolved from radiation of another origin by analysis of its squeezing, specific angle distribution, and by time-resolved recording. © <i>1995 American Institute of Physics.</i>")