%0 Journal Article
%T Sensitivity and resolution of a heterodyne receiver based on the NbN HEB mixer with a quantum-cascade laser as a local oscillator
%A Tretyakov, I. V.
%A Anfertyev, V. A.
%A Revin, L. S.
%A Kaurova, N. S.
%A Voronov, B. M.
%A Vaks, V. L.
%A Goltsman, G. N.
%J Radiophys. Quant. Electron.
%D 2018
%V 60
%N 12
%@ 0033-8443
%F Tretyakov_etal2018
%O exported from refbase (https://db.rplab.ru/refbase/show.php?record=1307), last updated on Sun, 09 May 2021 18:41:20 -0500
%X We present the results of experimental studies of the basic characteristics and operation features of a terahertz heterodyne detector based on the superconducting NbN HEB mixer and a quantum cascade laser as a local oscillator operating at a frequency of 2.02 THz. The measured noise temperature of such a mixer amounted to 1500 K. The spectral resolution of the detector is determined by the width of the local-oscillator spectral line whose measured value does not exceed 1 MHz. The quantum-cascade laser could be linearly tuned with respect to frequency with the coefficient 7.2 MHz/mA within the limits of the current oscillation bandwidth.
%K NbN HEB mixer
%R 10.1007/s11141-018-9863-x
%U http://link.springer.com/10.1007/s11141-018-9863-x
%U https://doi.org/10.1007/s11141-018-9863-x
%P 988-992