High-order harmonic generation traces ultrafast coherent phonon dynamics in ZnO Richard Hollinger, Valentina Shumakova, Audrius Pugžlys, Andrius Baltuška, Sherzod Khujanov, Christian Spielmann and Daniil Kartashov EPJ Web Conf., 205 (2019) 02025 Published online: 16 April 2019 DOI: 10.1051/epjconf/201920502025