100W, 1 mJ, few-cycle pulses at 2 μm wavelength Ziyao Wang, Tobias Heuermann, Martin Gebhardt, Mathias Lenski, Philipp Gierschke, Robert Klas, Cesar Jauregui and Jens Limpert EPJ Web Conf., 267 (2022) 02025 Published online: 18 October 2022 DOI: 10.1051/epjconf/202226702025