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Article Dans Une Revue Journal of Applied Physics Année : 2009

Comparison between hot spot modeling and measurement of a superconducting hot electron bolometer mixer at submillimeter wavelengths

Résumé

This paper presents the modeling and measurement of a quasioptical niobium nitride superconducting hot electron bolometer mixer at submillimeter wavelengths. The modeling is performed with a distributed hot spot model which is based on solving a heat balance equation for electron temperature along the superconducting microbridge. Particular care has been taken during the modeling concerning the temperature-dependent resistance and the bias current dependence of the critical temperature of the device. The dc and mixing characteristics of this mixer have been computed and we have observed a quite good match between the predicted and the measured results for both dc characteristics and mixing performances at submillimeter wavelengths.
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Dates et versions

hal-03786428 , version 1 (23-09-2022)

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Wei Miao, Yan Delorme, Alexandre Féret, Roland Lefèvre, Benoît Lecomte, et al.. Comparison between hot spot modeling and measurement of a superconducting hot electron bolometer mixer at submillimeter wavelengths. Journal of Applied Physics, 2009, 106, pp.3909. ⟨10.1063/1.3259381⟩. ⟨hal-03786428⟩
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