Advantages of quantum cascade detectors

A. Gomez; M. Carras; A. Nedelcu; E. Costard; X. Marcadet; V. Berger

doi:10.1117/12.754215

12 February 2008 Advantages of quantum cascade detectors

A. Gomez, M. Carras, A. Nedelcu, E. Costard, X. Marcadet, V. Berger

Proceedings Volume 6900, Quantum Sensing and Nanophotonic Devices V; 69000J (2008) https://doi.org/10.1117/12.754215
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

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.

Citation Download Citation

A. Gomez, M. Carras, A. Nedelcu, E. Costard, X. Marcadet, and V. Berger "Advantages of quantum cascade detectors", Proc. SPIE 6900, Quantum Sensing and Nanophotonic Devices V, 69000J (12 February 2008); https://doi.org/10.1117/12.754215

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