Broadband high-efficiency surface-plasmon-polariton coupler with silicon-metal interface

被引：166

作者：

Tian, Jie ^{[1
]}

Yu, Shuqing ^{[1
]}

Yan, Wei ^{[1
]}

Qiu, Min ^{[1
]}

机构：

[1] Royal Inst Technol, Sch Informat & Commun Technol, S-16440 Kista, Sweden

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 01期

基金：

瑞典研究理事会;

关键词：

SLOT WAVE-GUIDES; TRANSPORT; LIGHT;

D O I：

10.1063/1.3168653

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A high efficiency surface plasmonic coupler composed of a tapered silicon strip waveguide and a subwavelength scale metal gap waveguide is experimentally demonstrated. By tuning the parameters of the taper and the metal gap, the theoretical coupling efficiencies can be as high as 88% for a wide wavelength range. A silicon-gold plasmonic coupler is then fabricated, demonstrating 35% coupling efficiency per facet. Our experimental demonstration is a crucial step for hybrid integration of plasmonic components with conventional dielectric components. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3168653]

引用

页数：3

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