Analysis of performances of quantum cascade detectors

Details Analysis of performances of quantum cascade detectors Analysis of performances of quantum cascade detectors

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5957...31k&link_type=abstract

Integrated Optics: Theory and Applications. Edited by Pustelny, Tadeusz; Lambeck, Paul V.; Gorecki, Christophe. Proceedings of

Physics

Optics

Scientific paper

Some parameters of integration of a Quantum Cascade Detector (QCD) in an infrared imaging system are studied. Performances of QCD are first presented : absorption and responsivity spectra, peak responsivity (around 44 mA/W), resistivity at zero bias and detectivity. Quantum efficiency and photoconduction gain are deduced from these results. Finally the consequences of an integration of such a detector in a readout circuit are studied in terms of saturation of an external capacitor.

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