Subfemtosecond beats in an interference of the fields of Rayleigh scattering and four-wave mixing
Bogdanov V. L., Evdokimov A. B. , Lukomskii G. V., Fainberg B. D.
Subfemtosecond optical beats have been observed during resonant three-wave mixing of ultrashort laser pulses in a dye solution. This effect is a consequence of an interference of the Rayleigh scattering field with the field generated in the four-wave mixing.