Surface-emitting THz quantum cascade laser frequency comb with tunable external mirror dispersion compensationValerio Digiorgio, Urban Senica, Paolo Micheletti, Mattias Beck, Jérôme Faist and Giacomo ScalariEPJ Web Conf., 287 (2023) 07028DOI: https://doi.org/10.1051/epjconf/202328707028