Ultrafast response of tunnel injected quantum dot based semiconductor optical amplifiers in the 1300 nm range
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Date
2012
Authors
Pulka, Jaroslaw
Piwonski, Tomasz
Huyet, Guillaume
Houlihan, John
Semenova, E.
Lematre, A.
Merghem, Kamel
Martinez, Anthony
Ramdane, Abderrahim
Journal Title
Journal ISSN
Volume Title
Publisher
AIP Publishing
Published Version
Abstract
The ultrafast gain and refractive index dynamics of tunnel injected quantum dot based semiconductor optical amplifiers in the 1300 nm range are investigated using a heterodyne pump probe technique. In the gain regime, ground state wavelengths exhibit full gain recovery in less than 10 ps up to 3 times transparency, attributed to enhanced carrier refilling via the injector layer. The effect of the injector can also been seen in unusual phase dynamics at excited state wavelengths at this injection level. (C) 2012 American Institute of Physics. (doi:10.1063/1.3686901)
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Keywords
Linewidth enhancement factor , Lasers , Dynamics
Citation
Pulka, J., Piwonski, T., Huyet, G., Houlihan, J., Semenova, E., Lematre, A., Merghem, K., Martinez, A. and Ramdane, A. (2012) 'Ultrafast response of tunnel injected quantum dot based semiconductor optical amplifiers in the 1300 nm range', Applied Physics Letters, 100(7), pp. 071107. doi: 10.1063/1.3686901
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© 2012 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 Pulka, J., Piwonski, T., Huyet, G., Houlihan, J., Semenova, E., Lematre, A., Merghem, K., Martinez, A. and Ramdane, A. (2012) 'Ultrafast response of tunnel injected quantum dot based semiconductor optical amplifiers in the 1300 nm range', Applied Physics Letters, 100(7), pp. 071107 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3686901