%0 Conference Proceedings
%T Performance of NbN phonon-cooled hot-electron bolometric mixer at Terahertz frequencies
%A Yagoubov, P.
%A Kroug, M.
%A Merkel, H.
%A Kollberg, E.
%A Schubert, J.
%A Hubers, H-W
%A Schwaab, G.
%A Gol’tsman, G.
%A Gershenzon, E.
%S Proc. 6-th Int. Conf. Terahertz Electron.
%D 1998
%F Yagoubov_etal1998
%O exported from refbase (https://db.rplab.ru/refbase/show.php?record=1582), last updated on Tue, 25 May 2021 17:36:04 -0500
%X 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 results of the DSB noire temperature are: 1300 K at 650 GHz, 4700 K at 2.5 TBz and 10000 K at 3.12 THz. The RF bandwidth of the receiver is at least 2.5 THz. The amount of 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 is measured to be -9 dB, the total conversion gain -14 dB.
%K NbN HEB mixers
%R 10.1109/THZ.1998.731689
%U https://doi.org/10.1109/THZ.1998.731689
%P 149-152