Fig. 4
From: Polarization-state-resolved high-harmonic spectroscopy of solids
Calculated polarization states of the harmonics compared to the experiment. Comparison between TDDFT simulations (solid lines) and experimental results for a the harmonic yield, b the harmonic ellipticity |εHH|, and c the major-axis rotation of the harmonics’ polarization ellipse of HH5 to HH9 versus the driver ellipticity. Here, θ = ΓX. For all plots, the values are interpolated between \(\theta = \Gamma {\mathrm{X}}_{ - 3^ \circ }^{ + 2^ \circ }\) and averaged over negative and positive ellipticity values. The error bars are the averaged absolute deviations. d TDDFT result for the time-derivative of the electric current yielding HH7, for ε = 0.3 and θ = ΓX + 5°. The red curves show the x- and y-projections of the driving laser field
