TY  - JOUR
AU  - Zhang, Wen
AU  - Li, Ning
AU  - Jiang, Ling
AU  - Miao, Wei
AU  - Lin, Zhen-Hui
AU  - Yao, Qi-Jun
AU  - Shi, Sheng-Cai
AU  - Chen, Jian
AU  - Wu, Pei-Heng
AU  - Svechnikov, S. I.
AU  - Vachtomin, Y. B.
AU  - Antipov, S. V.
AU  - Voronov, B. M.
AU  - Gol'tsman, G. N.
PY  - 2007
DA  - 2007//
TI  - Noise behaviour of a THz superconducting hot-electron bolometer mixer
T2  - Chinese Phys. Lett.
JO  - Chinese Phys. Lett.
SP  - 1778
EP  - 1781
VL  - 24
IS  - 6
KW  - NbN HEB mixers
AB  - A quasi-optical superconducting NbN hot-electron bolometer (HEB) mixer is measured in the frequency range of 0.5–2.5 THz for understanding of the frequency dependence of noise temperature of THz coherent detectors. It has been found that noise temperature increasing with frequency is mainly due to the coupling loss between the quasi-optical planar antenna and the superconducting HEB bridge when taking account of non-uniform distribution of high-frequency current. With the coupling loss corrected, the superconducting HEB mixer demonstrates a noise temperature nearly independent of frequency.
SN  - 0256-307X
UR  - https://iopscience.iop.org/article/10.1088/0256-307X/24/6/095
UR  - https://doi.org/10.1088/0256-307X/24/6/095
DO  - 10.1088/0256-307X/24/6/095
N1  - exported from refbase (https://db.rplab.ru/refbase/show.php?record=1430), last updated on Sun, 16 May 2021 15:22:01 -0500
ID  - Zhang_etal2007
ER  -