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Proceedings Paper

Extended cut-off wavelength nBn detector utilizing InAsSb/InSb digital alloy absorber
Author(s): A. Soibel; D. Z. Ting; C. J. Hill; Anita M. Fisher; Linda Hoglund; Sam A. Keo; Sarath D. Gunapala
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Paper Abstract

We investigated a novel approach to extend a cut-off wavelength of Sb-based nBn detectors. We incorporated a series of single InSb monolayer into InAsSb bulk that allowed to realize a digital alloy absorber with an extended cut-off wavelength of λ = 4.6 μm at T = 200 K. The cut-off wavelength extension to 4.6μm is technologically important for realization of detectors covering CO2 absorption line at 4.26μm.

Paper Details

Date Published: 27 January 2017
PDF: 7 pages
Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 1011114 (27 January 2017); doi: 10.1117/12.2251703
Show Author Affiliations
A. Soibel, Jet Propulsion Lab. (United States)
D. Z. Ting, Jet Propulsion Lab. (United States)
C. J. Hill, Jet Propulsion Lab. (United States)
Anita M. Fisher, Jet Propulsion Lab. (United States)
Linda Hoglund, Jet Propulsion Lab. (United States)
Sam A. Keo, Jet Propulsion Lab. (United States)
Sarath D. Gunapala, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 10111:
Quantum Sensing and Nano Electronics and Photonics XIV
Manijeh Razeghi, Editor(s)

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