Laser Diodes : Feedback and stimulated emission. Cavity design; double heterostructure concept. Quantum well, wire, dot active regions. Strained layers; pseudomorphic active regions.

• 回馈与受激放射。共振腔设计，双异质结构的概念，量子井、量子线与量子点的主动层。应变层，假晶材料的主动层。