9 October 2012 Mach-Zehnder interferometer using a long-range surface plasmon polariton waveguide coupler
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Abstract
We have demonstrated the surface plasmon-polariton interference using a long-range surface plasmon-polariton waveguide coupler. A clear interference fringe with the visibility of 87 % was observed. The coupling ratio of the waveguide coupler was estimated to be 64:36 by two-photon interference experiments.
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Takahide Sakaidani, Go Fujii, Akihito Fujikake, Naoto Namekata, Daiji Fukuda, Shuichiro Inoue, "Mach-Zehnder interferometer using a long-range surface plasmon polariton waveguide coupler", Proc. SPIE 8457, Plasmonics: Metallic Nanostructures and Their Optical Properties X, 845722 (9 October 2012); doi: 10.1117/12.930270; https://doi.org/10.1117/12.930270
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