Nanowire-nanoantenna coupled system fabricated by nanomanipulation

Masaaki Ono, Eiichi Kuramochi, Guoqiang Zhang, Hisashi Sumikura, Yuichi Harada, David Cox, Masaya Notomi

    研究成果: ジャーナルへの寄稿記事

    5 引用 (Scopus)

    抄録

    Here we demonstrate the combination of a semiconductor nanowire and a plasmonic bowtie nanoantenna. A subwavelength InP nanowire was placed precisely in the middle of the nanogap of a gold bowtie nanoantenna with a nanomanipulator installed in a focused ion beam system. We observed a significantly large enhancement (by a factor of 110) of the photoluminescence intensity from this coupled system when the excitation wavelength was at the plasmonic resonance with its polarization parallel to the nanoantenna. Moreover, simulation results revealed that this large enhancement was caused by an interesting interplay between the plasmonic resonance of the nanoantenna and the breakdown of the field suppression effect in the subwavelength nanowire. Our results show that the combination of a nanowire and a nanoantenna gives us a new degree of freedom to design light-matter interactions on a nanoscale.

    元の言語英語
    ページ(範囲)8647-8659
    ページ数13
    ジャーナルOptics Express
    24
    発行部数8
    DOI
    出版物ステータス出版済み - 4 18 2016

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    nanowires
    augmentation
    degrees of freedom
    breakdown
    ion beams
    retarding
    gold
    photoluminescence
    polarization
    wavelengths
    excitation
    simulation
    interactions

    All Science Journal Classification (ASJC) codes

    • Atomic and Molecular Physics, and Optics

    これを引用

    Ono, M., Kuramochi, E., Zhang, G., Sumikura, H., Harada, Y., Cox, D., & Notomi, M. (2016). Nanowire-nanoantenna coupled system fabricated by nanomanipulation. Optics Express, 24(8), 8647-8659. https://doi.org/10.1364/OE.24.008647

    Nanowire-nanoantenna coupled system fabricated by nanomanipulation. / Ono, Masaaki; Kuramochi, Eiichi; Zhang, Guoqiang; Sumikura, Hisashi; Harada, Yuichi; Cox, David; Notomi, Masaya.

    :: Optics Express, 巻 24, 番号 8, 18.04.2016, p. 8647-8659.

    研究成果: ジャーナルへの寄稿記事

    Ono, M, Kuramochi, E, Zhang, G, Sumikura, H, Harada, Y, Cox, D & Notomi, M 2016, 'Nanowire-nanoantenna coupled system fabricated by nanomanipulation', Optics Express, 巻. 24, 番号 8, pp. 8647-8659. https://doi.org/10.1364/OE.24.008647
    Ono M, Kuramochi E, Zhang G, Sumikura H, Harada Y, Cox D その他. Nanowire-nanoantenna coupled system fabricated by nanomanipulation. Optics Express. 2016 4 18;24(8):8647-8659. https://doi.org/10.1364/OE.24.008647
    Ono, Masaaki ; Kuramochi, Eiichi ; Zhang, Guoqiang ; Sumikura, Hisashi ; Harada, Yuichi ; Cox, David ; Notomi, Masaya. / Nanowire-nanoantenna coupled system fabricated by nanomanipulation. :: Optics Express. 2016 ; 巻 24, 番号 8. pp. 8647-8659.
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