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Conferences > CLEOPR > 2018 > Th1L > Th1L.1

Resonant tunneling diode photodetectors for mid-infrared gas-sensing based on GaSb substrate

F. Rothmayr, A. Pfenning, C. Kistner, J. Koeth, G. Knebl, A. Schade, S. Krueger, L. Worschech, F. Hartmann, and S. Höfling

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Abstract

We fabricated resonant tunneling diode photodetectors with a GalnAsSb absorption layer and a GaAsSb/AlAsSb double barrier. The detector cut-off wavelength is 3.5 μm and reaches a peak sensitivity of 0.85 A/W at 2004 nm.

© 2018 The Author(s)

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