Highly Efficient Interfacing of Guided Plasmons and Photons in Nanowires
- 16 September 2009
- journal article
- Published by American Chemical Society (ACS) in Nano Letters
- Vol. 9 (11), 3756-3761
- https://doi.org/10.1021/nl9019424
Abstract
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.Keywords
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