增加阱数、减小阱宽可以提高输出功率。
The light output is increased by the enhanced well number and the reduced width.
同时给出光学声子对极化子自陷能影响随阱宽的变化关系。
The influences of optical phonon modes on polaron self-trapping energies as functions of well width are given respectively.
当阱宽较大时，能级填充是导致光谱红移的主要原因，俄歇复合与载流子离域是导致效率下降的主要原因。
But as the well width increase, level filling is the main reason for the red-shift of spectrum, Auger recombination and carrier delocalization are the main reason for lower efficiency.
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