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腔的维度只有一个波长量级的微腔半导体激光器的研究是近年来激光物理学、量子光学以及光电子学领域非常活跃的研究课题。理论预言，由于腔量子电动力学性质的影响，其自发发射效率增强，因而有可能实现无阈值工作，其高频调制带宽可能高过100GHz．到目前为止，对于微腔半导体
The research of microcavity semiconductor lasers with cavity dimension only one order of magnitude is a very active research topic in the field of laser physics, quantum optics and optoelectronics in recent years. Theoretical predictions that the spontaneous emission efficiency is enhanced due to the cavity electrokinetic properties make it possible to achieve a threshold-free operation and its high-frequency modulation bandwidth may be higher than 100 GHz. So far, for microcavity semiconductors