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Highly Efficient Interfacing of Guided Plasmons and Photons in Nanowires

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Chen, X.-W., Sandoghdar, V., & Agio, M. (2009). Highly Efficient Interfacing of Guided Plasmons and Photons in Nanowires. Nano Letters, 9, 3756-3761. doi:10.1021/nl9019424.


Cite as: http://hdl.handle.net/21.11116/0000-0002-9A68-C
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.