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压电体超晶格中的新型极化激元

张学进, 宣晓峰, 陆延青, 朱永元, 陈延峰, 祝世宁, 闵乃本

张学进, 宣晓峰, 陆延青, 朱永元, 陈延峰, 祝世宁, 闵乃本. 压电体超晶格中的新型极化激元[J]. 物理, 2003, 32(11).
引用本文: 张学进, 宣晓峰, 陆延青, 朱永元, 陈延峰, 祝世宁, 闵乃本. 压电体超晶格中的新型极化激元[J]. 物理, 2003, 32(11).
New type of polariton in a piezoelectric superlattice[J]. PHYSICS, 2003, 32(11).
Citation: New type of polariton in a piezoelectric superlattice[J]. PHYSICS, 2003, 32(11).

压电体超晶格中的新型极化激元

New type of polariton in a piezoelectric superlattice

  • 摘要: 对压电体超晶格中电磁波的传播情况进行了研究. 通过压电效应,压电体超晶格中的纵振动声波将引起横向电极化,这一极化会与某一特定波段的电磁波强烈耦合,从而出现通常离子晶体中所没有的新型极化激元,产生非布拉格反射引起的光学禁带.
    Abstract: We have studied the propagation of an electromagnetic (EM) wave in a piezoelectric superlattice. Because of the piezoelectric effect, a transverse polarization can be induced by a longitudinal wave which couples strongly to the EM wave in some particular frequency regions, resulting in the creation of a new type of polariton that does not exist in ionic crystals. The forbidden band associated with the polariton is not due to Bragg reflection, but rather to the coupling.
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  • 发布日期:  2003-11-19

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