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Title: Photoluminescence study of long wavelength superlattice infrared detectors
Authors: Höglund, Linda
Khoshakhlagh, Arezou
Soibel, Alexander
Ting, David Z.
Hill, Cory J.
Keo, Sam
Gunapala, Sarath D.
Keywords: photoluminescence
thermal broadening
Issue Date: 24-Aug-2011
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2011.
Citation: SPIE Optics+Photonics, San Diego, California, August 23-25, 2011
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.
Appears in Collections:JPL TRS 1992+

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