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Negative differential gain due to many body effects in self-assembled quantum dot lasers
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10.1063/1.3624708
/content/aip/journal/apl/99/6/10.1063/1.3624708
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/6/10.1063/1.3624708
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Wavelength of individual Fabry-Pérot modes in the region of the peak in ground-state gain as a function of carrier density at a constant heat-sink temperature of 30 °C. Inset shows a schematic of the device under test.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Net modal gain spectra as a function of wavelength obtained for 300 μm long device at a constant junction temperature of 30 °C. (b) Net modal gain as a function of wavelength for the same device in the region of the ensemble of quantum dot ground-states.

Image of FIG. 3.
FIG. 3.

(Color online) Peak net modal gain for the ensemble of ground-state and excited states as a function of carrier density at a constant junction temperature of 30 °C. The inset shows the net modal gain spectra at various current densities at long wavelengths where the internal loss can be deduced.

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/content/aip/journal/apl/99/6/10.1063/1.3624708
2011-08-10
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Negative differential gain due to many body effects in self-assembled quantum dot lasers
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/6/10.1063/1.3624708
10.1063/1.3624708
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