Low frequency noise of mid-wavelength interband cascade photodetectors up to 300 K

Klaudia Hackiewicz; Łukasz Ciura; Piotr Ptak; Piotr Martyniuk; Jarosław Rutkowski; Andrzej Kolek

doi:10.1117/12.2520038

7 May 2019 Low frequency noise of mid-wavelength interband cascade photodetectors up to 300 K

Klaudia Hackiewicz, Łukasz Ciura, Piotr Ptak, Piotr Martyniuk, Jarosław Rutkowski, Andrzej Kolek

Proceedings Volume 11002, Infrared Technology and Applications XLV; 110022I (2019) https://doi.org/10.1117/12.2520038
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

This article presents the InAs/GaSb type-II superlattice interband cascade photodetector low-frequency noise analysis. Presented noise measurements were conducted in temperature range 77-300 K and in frequency range 1-10 kHz. The spectral characteristics of the detector noise at various voltages are analyzed. The measured power spectral density is compared to the theoretical prediction. This comparison suggests that noise estimates based on the dark current may not always be valid and the noise source is difficult to be extract. We showed two samples, one of which was characterized by a large leakage currents contribution being directly translated into increased noise.

Citation Download Citation

Klaudia Hackiewicz, Łukasz Ciura, Piotr Ptak, Piotr Martyniuk, Jarosław Rutkowski, and Andrzej Kolek "Low frequency noise of mid-wavelength interband cascade photodetectors up to 300 K", Proc. SPIE 11002, Infrared Technology and Applications XLV, 110022I (7 May 2019); https://doi.org/10.1117/12.2520038

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