Quantum Well Infrared Photodetector for the SWIR Range

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Conference object , Other literature type 14 Jun 2019 English Publisher:Springer Singapore

Authors: Pedro Pereira; Lesslie Guerra; Germano M. Penello; Mauricio P. Pires; Luciana D. Pinto; Roberto Jakomin; Renato T. Mourão; +3 Authors

doi: 10.1007/978-981-13-9155-2_29

Quantum Well Infrared Photodetector for the SWIR Range

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Abstract

An InGaAs/InAlAs superlattice infrared photodetector is developed to reach the forbidden gap in the SWIR range for arsenides, between 1.7 and 2.5 μm, appropriate for surveillance imaging. The figures of merit of the device are determined to be 120 K for the BLIP temperature and 2.1 mA/W and 3 × 106 Jones for the best responsivity and detectivity, respectively, obtained at 120 K under +4 V bias. Possible approaches to improve the device performance are addressed.

Related Organizations

Federal University of Rio de Janeiro
Brazil
Pontifical Catholic University of Rio de Janeiro
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State University of Campinas
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