Control of helicity of high-harmonic radiation using bichromatic circularly polarized laser fields

Gopal Dixit, Álvaro Jiménez-Galán, Lukas Medišauskas +1

High-harmonic generation in two-colour ($\omega -2\omega$) counter-rotating circularly polarised laser fields opens the path to generate isolated attosecond pulses and attosecond pulse trains…