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利用速率方程理论讨论了半导体微腔激光器的激射阈值与自发发射耦合系数 β之间的关系 ,分析了降低阈值的途径 ,为器件设计提供了依据。
The relationship between lasing threshold and spontaneous emission coupling coefficient β of semiconductor microcavity laser was discussed by using the rate equation theory. The way to reduce the threshold was analyzed, which provided the basis for device design.