Journal
NANO LETTERS
Volume 9, Issue 11, Pages 3756-3761Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl9019424
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- ETH Zurich [TH-49/06-1]
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Successful exploitations of strongly confined surface plasmon-polaritons critically rely on their efficient and rapid conversion to lossless channels. We demonstrate a simple, robust, and broadband butt-coupling technique for connecting a metallic nanowire and a dielectric nanofiber. Conversion efficiencies above 95% in the visible and close to 100% in the near-infrared can be achieved with realistic parameters. Moreover, by combining butt-coupling with nanofocusing, we propose a broadband high-throughput near-field optical microscope.
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