Abstract
This paper presents the results from the generation of elliptical high harmonics in a process of two-color elliptical laser field interaction with a single atom. Numerical simulations are performed for different values of ellipticities of the two-color driving laser field (the fundamental and the second harmonics of the Ti:Sapphire laser), together with their relative helicity. The dependency of the intensity and ellipticity of harmonics as functions of the ellipticity of the driving field components and their relative helicity is discussed. The presence of the sequence of two strong and one weak harmonics in the generated spectra in the case of a counter rotating bicircular laser field is demonstrated in this paper. The origin of weak harmonics generation is also discussed.
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