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    题名 作者 年代 出处 被引量
1宽频带超材料完美吸波器研究现状显示文摘宽频带超材料完美吸波器在光电探测、光伏器件等领域具有十分广阔的应用前景。首先总结了宽频带超材料完美吸波器的设计方法及常见结构,然后阐述了吸收可调型宽频带完美吸波器的实现方法及其在热电子光电探测等领域的应用,最后对宽频带超材料完美吸波器的发展方向进行了展望。孙帅辉 2023科技与创新2023,,2:0
2Unveiling spontaneous emission enhancement mechanisms in metal–insulator–metal nanocavities显示文摘Recent advances in the development of a nanocavity based on a metal–insulator–metal(MIM) structure have provided a great opportunity to enhance the performance of photonic devices. However, the underlying physics behind the emission enhancement obtained from such cavities is under debate. Here, in this work, we designed and investigated MIM nanocavities to reveal the mechanisms for the observed 260-fold photoluminescence enhancement from LDS 798 fluorescent dye. This study provides a pathway to engineer the emission properties of an emitter not only through the enhancement of the Purcell factor but mainly through enhancement of the excitation rate. Our numerical simulations support the experimentally acquired results. We believe an MIM cavity and dye-based hybrid system design based on the revealed enhancement process and structural simplicity, will provide more efficient, lithography free, and low-cost advanced nanoscale devices.DIPA GHINDANI ALIREZA R.RASHED HUMEYRA CAGLAYAN 2021Photonics Research2021,9,2:0
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