Highly Efficient Interfacing of Guided Plasmons and Photons in Nanowires

被引：92

作者：

Chen, Xue-Wen ^{[1
]}

Sandoghdar, Vahid ^{[1
]}

Agio, Mario ^{[1
]}

机构：

[1] ETH, Lab Phys Chem & OptETH, CH-8093 Zurich, Switzerland

来源：

NANO LETTERS | 2009年 / 9卷 / 11期

关键词：

SURFACE-PLASMONS; TIP; MICROSCOPY; POLARITONS; EXCITATION;

D O I：

10.1021/nl9019424

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：3756 / 3761

页数：6

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