Generation of sub-two-cycle pulses tunable around 1.8 μm with passively stabilized carrier-envelope phase at 100 kHz repetition rateC. Homann, M. Bradler, M. Förster, P. Hommelhoff and E. RiedleEPJ Web of Conferences, 41 (2013) 10012DOI: https://doi.org/10.1051/epjconf/20134110012