Numerical modeling of a dark current suppression mechanism in IR detector arrays

Andreu Glasmann; Taylor Hubbard; Enrico Bellotti

doi:10.1117/12.2265901

16 May 2017 Numerical modeling of a dark current suppression mechanism in IR detector arrays

Andreu Glasmann, Taylor Hubbard, Enrico Bellotti

Proceedings Volume 10177, Infrared Technology and Applications XLIII; 101770A (2017) https://doi.org/10.1117/12.2265901
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

As material growth and processing have improved, state of the art infrared detector arrays remain limited by material properties and not processing or growth quality. In particular, the dark current can be dominated by diffusion of minority carriers in the quasineutral regions. In this work, we present a unique detector architecture that allows for dark current suppression below the fundamental diffusion limit. We have extensively studied this effect, and report dark current, photocurrent, and quantum efficiency. Finally, we conclude by offering a path to implementing this architecture into existing FPAs.

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Andreu Glasmann, Taylor Hubbard, and Enrico Bellotti "Numerical modeling of a dark current suppression mechanism in IR detector arrays", Proc. SPIE 10177, Infrared Technology and Applications XLIII, 101770A (16 May 2017); https://doi.org/10.1117/12.2265901

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