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光子晶体对非晶纳米团簇辐射特性的影响

王慧琴 刘正东

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光子晶体对非晶纳米团簇辐射特性的影响

王慧琴, 刘正东

The influence on the radiation characteristics of an amorphous nanocluster by introducing photonic crystals

Wang Hui-Qin, Liu Zheng-Dong
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  • 用有限时域差分法研究了非晶ZnO纳米团簇的辐射频谱,结果显示频谱呈自发辐射的特性. 为了对非晶纳米团簇的辐射输出进行有效的控制和利用,提出了利用光子晶体来控制纳米团簇的自发辐射,使之向所需要的频率内辐射的理论设计;并构想了一种制备简单、成本较低的实现方法,依据这种设想构建了一个二维系统,对其辐射特性进行数值模拟,结果显示光被有效地控制. 为制备可嵌入到集成光路中的、具有良好可加工性能的低阈值微型激光器提供了一条新途径.
    The amorphous nanoclusters have short range order and long range disorder structures ordinarily. The radiation spectrum characteristics of an amorphous ZnO nanocluster are studied by using finite difference time domain method and the radiation spectrum shows as spontaneous emission. To control the spontaneous emission, photonic crystal is introduced to lead the radiation emission to the needed frequency. An easier and cheaper manufacture method is put forward in which the nanocluster should be inserted between two colloidal crystal films which self-assembled by uniform colloidal nanoparticles. According to this idea, a two dimensional system is constructed and the radiation characteristics of this system are simulated. The results show that the energy is controlled in this system effectively. This scheme can provide a new way to manufacture low threshold micro-lasers feasible for imbedding in optical integrated circuits.
    • 基金项目: 国家自然科学基金(批准号:60768001)和江西省自然科学基金(批准号:2007gzw2106)资助的课题.
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  • 文章访问数:  6759
  • PDF下载量:  978
  • 被引次数: 0
出版历程
  • 收稿日期:  2008-06-23
  • 修回日期:  2008-09-17
  • 刊出日期:  2009-03-20

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