Nonequilibrium Noise of InSb Hot Electron Bolometers

Document Type

Article

Publication Date

1-1-1984

Identifier/URL

43038402 (Pure)

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Abstract

Noise spectra of a InSb hot electron bolometer at 4.2 K bath temperature are measured and compared with theory. Bolometer phonon noise and Johnson noise are included in the analysis. A nonequilibrium Johnson noise model, due to Mather, gives good agreement with experiment over the frequency range 0.2-1.1 MHz. This model incorporates an elevated electron gas temperature and electrothermal feedback from the bias supply.

DOI

10.1063/1.332867

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