Figure 9.

Conduction and valence band and 2D/3D QFLs in the active region of the MQW LED for the 0.5 nm QW and the 1.6 nm QW. The bands and QFLs are shown for $j=0.5$ A cm${}^{-2}$ (solid/cross) and $j=50$ A cm${}^{-2}$ (dashed/diamond).