Since the growth of QD active layers is the key factor to the development of QD lasers, it is most important to study the epitaxy growth of a high quality QD active layer.

• 由于成长量子点活性层为研制量子点雷射的关键技术，因此如何成长出高品质的量子点活性层，便成了研发量子点雷射最重要的工作。