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含Co_6Ag_(94)三明治结构的光学和磁光性质 被引量:3

Optical and Magneto-Optical Properties in a Sandwiched Structure Containing Co_6Ag_(94)
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摘要 利用隧穿机制研究了含磁光金属Co6Ag94的三明治结构(磁光金属嵌入两个磁光光子晶体中)的透射性质和磁光法拉第旋转效应。在含磁光金属的三明治结构中,分别研究了双透射峰和单透射峰两种情况。研究结果表明,无论是双透射峰还是单透射峰情况,局域在磁光金属和磁光光子晶体界面上的电磁场,都能够同时增强磁光金属的透射和磁光法拉第旋转效应。另外,分析了磁光金属Co6Ag94存在增益时该三明治结构法拉第旋转角达到-45°的情况,此性质为设计小型化的磁光隔离器件提供了理论依据。 The transmission and magneto-optical Faraday rotation effect are studied in a sandwiched structure containing the magneto-optical metal Co6Ag94 by tunneling mechanism. The double transmission peaks and single transmission peak are discussed in the sandwiched structure, respectively. The results show that the transmission and magneto-optical Faraday rotation effect of both double transmission peaks and single transmission peak in the sandwiched can simultaneously be enhanced due to the slow wave effect of the localized electromagnetic fields at the interface between the magneto-optical metal layer and the magnetophotonic crystals. In addition, Faraday rotation angle-45° is given in our sandwiched when the magneto-optical metal Co6Ag94 is gained. This property provides a theoretical basis for the design of compact magneto-optical isolation devices.
出处 《光学学报》 EI CAS CSCD 北大核心 2015年第4期260-264,共5页 Acta Optica Sinica
基金 国家自然科学基金(11104169 11274207) 教育部科学技术研究重点项目基金(212018) 山西省留学回国人员基金(2012-重点2) 山西省自然科学基金(2013011007-2 2013021010-5) 山西省高等学校创新人才支持计划
关键词 材料 特异材料 光子晶体 法拉第旋转效应 磁光金属 materials metamaterials photonic crystal Faraday rotation effect magneto-optical metal
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参考文献20

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共引文献11

同被引文献23

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