Characterization of the THz quantum cascade laser using fast superconducting hot electron bolometerYu.V. Lobanov, Yu.B. Vakhtomin, I.V. Pentin, R.A. Khabibullin, N.V. Shchavruk and K. V. SmirnovEPJ Web Conf., 195 (2018) 04004DOI: https://doi.org/10.1051/epjconf/201819504004