TY  - JOUR
AU  - Maslennikov, S.
PY  - 2014
DA  - 2014//
TI  - RF heating efficiency of the terahertz superconducting hot-electron bolometer
T2  - arXiv
JO  - arXiv
SP  - 1
EP  - 4
VL  - 1404.5276
KW  - superconducting hot-electron bolometer mixer
KW  - HEB
KW  - NbN
KW  - distributed model
KW  - HEB model
KW  - HEB mixer model
KW  - heat balance equa-tions
KW  - conversion gain
KW  - RF heating efficiency
KW  - noise temperature
KW  - simulation
KW  - Euler method
AB  - We report results of the numerical solution by the Euler method of the system of heat balance equations written in recurrent form for the superconducting hot-electron bolometer (HEB) embedded in an electrical circuit. By taking into account the dependence of the HEB resistance on the transport current we have been able to calculate rigorously the RF heating efficiency, absorbed local oscillator (LO) power and conversion gain of the HEB mixer. We show that the calculated conversion gai nis in excellent agreement with the experimental results, and that the substitution of the calculated RF heating efficiency and absorbed LO power into the expressions for the conversion gain and noise temperature given by the analytical small-signal model of the HEB yields excellent agreement with the corresponding measured values
UR  - http://arxiv.org/abs/1404.5276
N1  - exported from refbase (https://db.rplab.ru/refbase/show.php?record=954), last updated on Thu, 28 Apr 2016 17:41:06 -0500
ID  - Maslennikov2014
ER  -