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木堆积结构光子晶体中辐射子簇的非指数衰减动力学研究

, PP. 49-52

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Abstract:

在低折射率对比的木堆积光子晶体结构中,讨论了光子晶体元胞内辐射子簇自发辐射速率分布和非单指数衰减动力学问题.结果表明,自发辐射速率分布和辐射子簇的衰减快慢很大程度上依赖于辐射子的跃迁频率.辐射子跃迁频率位于光子带隙上带边的自发辐射速率慢于位于赝带隙中心的速率,这与传统理论不符.本文定义了衰减函数,计算的平均衰减寿命和实验结果吻合.这些结果为实验探测时间分辨衰减动力学以及局域态密度提供了理论依据.

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