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Noise in single quantum well infrared photodetectors

M. Ershov, A. N. Korotkov

cond-mat.mes-hallarXiv:cond-mat/9705131

Abstract

The spectral density of current fluctuations in single quantum well infrared photodetectors is calculated using Langevin approach. The noise gain and the photocurrent gain are expressed in terms of basic transport parameters. Fluctuations of the incident photon flux are taken into account.

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