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Proceedings Paper

Photoluminescence study of long wavelength superlattice infrared detectors
Author(s): Linda Hoglund; Arezou Khoshakhlagh; Alexander Soibel; David Z. Ting; Cory J. Hill; Sam Keo; Sarath D. Gunapala
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Paper Abstract

In this paper, the relation between the photoluminescence (PL) intensity and the PL peak wavelength was studied. A linear decrease of the PL intensity with increasing cut-off wavelength of long wavelength infrared CBIRDs was observed at 77 K and the trend remained unchanged in the temperature range 10 - 77 K. This relation between the PL intensity and the peak wavelength can be favorably used for comparison of the optical quality of samples with different PL peak wavelengths. A strong increase of the width of the PL spectrum in the studied temperature interval was observed, which was attributed to thermal broadening.

Paper Details

Date Published: 17 September 2011
PDF: 6 pages
Proc. SPIE 8155, Infrared Sensors, Devices, and Applications; and Single Photon Imaging II, 81550M (17 September 2011); doi: 10.1117/12.894294
Show Author Affiliations
Linda Hoglund, Jet Propulsion Lab. (United States)
Arezou Khoshakhlagh, Jet Propulsion Lab. (United States)
Alexander Soibel, Jet Propulsion Lab. (United States)
David Z. Ting, Jet Propulsion Lab. (United States)
Cory J. Hill, Jet Propulsion Lab. (United States)
Sam Keo, Jet Propulsion Lab. (United States)
Sarath D. Gunapala, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 8155:
Infrared Sensors, Devices, and Applications; and Single Photon Imaging II
Manijeh Razeghi; Paul D. LeVan; Ashok K. Sood; Priyalal S. Wijewarnasuriya, Editor(s)

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