Helicity of harmonic generation and attosecond polarization with bichromatic circularly polarized laser fields

Zhang Jun^{1, 2}, Qi Tong², Pan Xue-Fei², Guo Jing², Zhu Kai-Guang^{1, †}, Liu Xue-Shen^2,

Spectral chirality as a function of the intensity ratio γ ′ E in BCCP laser fields for E 1 = 0.05 a.u. with different total laser intensities.