Theoretical optical characteristics of prism-type add-drop filters using metal nanoclusters

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  • 金属ナノ微粒子を用いたプリズム型波長合分波器の理論的光学特性
  • キンゾク ナノ ビリュウシ オ モチイタ プリズムガタ ハチョウ ゴウブンパキ ノ リロンテキ コウガク トクセイ

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Add-drop optical filters are important devices for wavelength-division multiplexing in optical communications. In this study, we theoretically investigated a prism-type add-drop filter using metal nanoclusters. The filter consists of periodic mutilayers of glass layers and metal island layers composed of the metal nanoclusters sandwiched between two 45° glass prisms. Results show that the proposed filter is insensitive to polarization and incident angle in comparison with conventional filters using dielectric multilayers.

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