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Proceedings Paper

Advantages of quantum cascade detectors
Author(s): A. Gomez; M. Carras; A. Nedelcu; E. Costard; X. Marcadet; V. Berger
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Paper Abstract

Quantum cascade detectors (QCDs) have been introduced recently as a photovoltaic candidate to infrared detection. Since QCDs work with no applied bias, longer integration time and different read-out circuits can be used. Depending on the application, QCDs could be preferred to QWIPs. The systematic comparison between QCDs and QWIPs is difficult due to the large number of parameters in a thermal imager for a given application. Here we propose a first comparison between these two devices, starting with several examples, based on specific cases. In particular, it is shown that QCDs in the 8-12 µm band are an interesting alternative to QWIPs if higher operating temperature is required.

Paper Details

Date Published: 12 February 2008
PDF: 14 pages
Proc. SPIE 6900, Quantum Sensing and Nanophotonic Devices V, 69000J (12 February 2008); doi: 10.1117/12.754215
Show Author Affiliations
A. Gomez, Alcatel Thales 3-5 Lab. (France)
Lab. MPQ, Univ. Paris 7, CNRS (France)
M. Carras, Alcatel Thales 3-5 Lab. (France)
A. Nedelcu, Alcatel Thales 3-5 Lab. (France)
E. Costard, Alcatel Thales 3-5 Lab. (France)
X. Marcadet, Alcatel Thales 3-5 Lab. (France)
V. Berger, Alcatel Thales 3-5 Lab. (France)
Lab. MPQ, Univ. Paris 7, CNRS (France)

Published in SPIE Proceedings Vol. 6900:
Quantum Sensing and Nanophotonic Devices V
Rengarajan Sudharsanan; Christopher Jelen, Editor(s)

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