We induce control over valley polarization with a polarization-shaped mid-infrared light field. The polarization state of the trefoil-shaped pump fields is measured by high harmonic spectroscopy, which we also use to confirm strong field control over non-resonant valley polarization in MoS2.
@article{arxiv.2209.04928,
title = {Polarization-Shaped Strong Field Control over Valley Polarization with Mid-IR Light},
author = {Igor Tyulnev and Julita Poborska and Álvaro Jiménez-Galán and Lenard Vamos and Olga Smirnova and Mikhail Ivanov and Jens Biegert},
journal= {arXiv preprint arXiv:2209.04928},
year = {2022}
}