Energy band diagram of emission QDs with a thick cap layer.
Plot of ground state threshold current density of DUW (solid) and DWELL (hollow) QD lasers as function of temperature assuming uniform dot size and thermal equilibrium.
Plot of (a) electron and (b) hole ground state occupation probabilities of DUW QDs as function of temperature at (solid) and 2% (hollow).
Plot of threshold current density of DUW QD laser as function of temperature at (a) resulting from Auger assisted carrier escape only, and (b) resulting from phonon assisted carrier escape only.
Plot of threshold current density of -doped DUW (solid squares), -doped DUW (solid circles), and undoped DWELL (triangles) QD lasers as function of temperature at .
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