Carrier capture dynamics of InAs/GaAs quantum dots

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Date
2007
Authors
Piwonski, Tomasz
O'Driscoll, Ian
Houlihan, John
Huyet, Guillaume
Manning, Robert J.
Uskov, Alexander V.
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AIP Publishing
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Abstract
Carrier dynamics of a 1.3 mu m InAs/GaAs quantum dot amplifier is studied using heterodyne pump-probe spectroscopy. Measurements of the recovery times versus injection current reveal a power law behavior predicted by a quantum dot rate equation model. These results indicate that Auger processes dominate the carrier dynamics. (c) 2007 American Institute of Physics. (DOI:10.1063/1.2715115)
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Keywords
Mu-m , Nonlinearities , Amplifiers , Quantum dots , Excited states , Femtosecond dynamics , Ground states , Wetting
Citation
Piwonski, T., O’Driscoll, I., Houlihan, J., Huyet, G., Manning, R. J. and Uskov, A. V. (2007) 'Carrier capture dynamics of InAs∕GaAs quantum dots', Applied Physics Letters, 90(12), pp. 122108. doi: 10.1063/1.2715115
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© 2007 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Piwonski, T., O’Driscoll, I., Houlihan, J., Huyet, G., Manning, R. J. and Uskov, A. V. (2007) 'Carrier capture dynamics of InAs∕GaAs quantum dots', Applied Physics Letters, 90(12), pp. 122108 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.2715115