@Article{Yagoubov_etal1999,
author="Yagoubov, P.
and Kroug, M.
and Merkel, H.
and Kollberg, E.
and Schubert, J.
and Hubers, H-W
and Schwaab, G.
and Gol{\textquoteright}tsman, G.
and Gershenzon, E.",
title="Heterodyne measurements of a NbN superconducting hot electron mixer at terahertz frequencies",
journal="IEEE Trans. Appl. Supercond.",
year="1999",
volume="9",
number="2",
pages="3757--3760",
optkeywords="NbN HEB mixers",
abstract="The performance of a NbN based phonon-cooled Hot Electron Bolometric (HEB) quasioptical mixer is investigated in the 0.65-3.12 THz frequency range. The device is made from a 3 nm thick NbN film on high resistivity Si and integrated with a planar spiral antenna on the same substrate. The in-plane dimensions of the bolometer strip are 0.2/spl times/2 /spl mu/m. The best results of the DSB noise temperature at 1.5 GHz IF frequency obtained with one device are: 1300 K at 650 GHz, 4700 K at 2.5 THz and 10000 K at 3.12 THz. The measurements were performed at 4.5 K ambient temperature. The amount of local oscillator (LO) power absorbed in the bolometer is about 100 nW. The mixer is linear to within 1 dB compression up to the signal level 10 dB below that of the LO. The intrinsic single sideband conversion gain measured at 650 GHz is -9 dB, the total conversion gain is -14 dB.",
optnote="exported from refbase (https://db.rplab.ru/refbase/show.php?record=1569), last updated on Tue, 25 May 2021 12:36:21 -0500",
issn="1051-8223",
doi="10.1109/77.783845",
opturl="http://ieeexplore.ieee.org/document/783845/",
opturl="https://doi.org/10.1109/77.783845"
}