Enhanced nonlinear optical conversion from a periodically nanostructured metal film

Ajay Nahata, Richard A. Linke, T. Ishi, Keishi Ohashi

研究成果: Article

173 引用 (Scopus)

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We demonstrate an ∼104 increase in conversion efficiency for optical second-harmonic generation (SHG) from a periodically nanostructured metal structure consisting of a single subwavelength aperture in a thin silver film surrounded by a set of concentric surface grooves. The forward-transmitted second-harmonic radiation from this structure is measured relative to that from an identical aperture with no surrounding surface periodicity. We explain the observed SHG enhancement quantitatively in terms of a measured 120× increase in the strength of the fundamental radiation in the vicinity of the aperture resulting from the periodic nano-structuring.

元の言語English
ページ(範囲)423-425
ページ数3
ジャーナルOptics Letters
28
発行部数6
出版物ステータスPublished - 2003 3 15
外部発表Yes

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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