Enhancing extraction of light from metal composite structures for plasmonic emitters using light-coupling effect

Nan Fu Chiu, Chen Du Yang, Yi Lun Kao, Kuan Lin Lu

    研究成果: 雜誌貢獻期刊論文同行評審

    3 引文 斯高帕斯(Scopus)

    摘要

    This work demonstrates the efficiency and directionality of a method of extracting light from thin-film emissive devices by near-field evanescent waves in plasmonic emitters used in metal composite grating structures. A near-field evanescent wave can induce a surface Plasmon wave on the surface of a metal under resonant conditions. Enhancing the near-field evanescent wave generates strong far-field nonlinear optical effects. This effect is highly efficient in some plasmonic emitter structures. Theoretical and experimental results demonstrate that such a metal composite grating structure exhibits good performance, a high coupling ratio, a small coupling angle, enhanced light extraction and a small FWHM. It also improves luminous efficiency, emitter angle, and directivity.

    原文英語
    頁(從 - 到)9602-9611
    頁數10
    期刊Optics Express
    23
    發行號8
    DOIs
    出版狀態已發佈 - 2015 一月 1

    ASJC Scopus subject areas

    • 原子與分子物理與光學

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