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物理学报  2007 

Small signal gain characteristics of periodically arranged resonant amplifying media
周期排列共振放大介质的小信号增益特性研究

Keywords: periodically arranged resonant amplifying media,small signal gain,photonic band gap
周期共振放大介质
,小信号增益,光子带隙

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Abstract:

The characteristics of small signal gain are studied in a one-dimensional periodically arranged amplifying media. It is proved that the small signal gain characteristics shows special features with the increase of gain material length. The variation in gain is determined by the mutual competition between the photonic band gap formed by the refractive index of amplifying media and gain reaction under the resonant Bragg condition. Furthermore, we investigated the gain on the parameters of excitons and resonant atoms.

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