Resonant transmission in a dielectric photonic crystal with a thin metallic coating

Tzu Chyang King, Pei Chiu Tsai, Ya Ling Lin, Chi Chung Liu, Chien Jang Wu

    研究成果: 雜誌貢獻期刊論文同行評審

    1 引文 斯高帕斯(Scopus)

    摘要

    In this work, the resonant optical transmission (ROT) in a dielectric-dielectric photonic crystal (DDPC) with a thin metallic coating operating in the visible is theoretically investigated. First, the phenomenon of ROT is shown to occur at the frequency within the photonic band gap (PBG). To obtain a significant ROT, there is an optimum stack number for the DDPC and an optimum thickness of thin metal layer. The phenomenon of ROT can be explained by the condition of impedance matching. Second, the effect of different metallic films on the ROT is also examined. It is found that the frequency of ROT is blue-shifted for the metal with a larger plasma frequency. Finally, the behavior of ROT is investigated as a function of angle of incidence for both TE and TM waves. The frequency of ROT is blue-shifted as the angle of incidence increases for TE and TM waves. In TM wave, it is of interest to find that there are two ROTs within the photonic band gaps. The analysis made is based on the use of the transfer matrix method.

    原文英語
    頁(從 - 到)932-936
    頁數5
    期刊Journal of Optoelectronics and Advanced Materials
    15
    發行號9-10
    出版狀態已發佈 - 2013 九月

    ASJC Scopus subject areas

    • 電子、光磁材料
    • 凝聚態物理學
    • 原子與分子物理與光學
    • 電氣與電子工程

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