Plasmonic enhancement of emission from Si-nanocrystals

被引：23

作者：

Gong, Yiyang ^{[1
]}

Lu, Jesse ^{[1
]}

Cheng, Szu-Lin ^{[1
]}

Nishi, Yoshio ^{[1
]}

Vuckovic, Jelena ^{[1
]}

机构：

[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 01期

关键词：

diffraction gratings; elemental semiconductors; integrated optics; nanostructured materials; photonic crystals; plasmonics; silicon; SILICON NANOCRYSTALS; SURFACE; PHOTOLUMINESCENCE;

D O I：

10.1063/1.3055602

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Plasmonic gratings of different periodicities are fabricated on top of silicon nanocrystals embedded in silicon dioxide. Total enhancements of up to 2 were observed, which matches the value from simulations. Plasmonic enhancements are observed for the first three orders of the plasmonic modes, with the peak enhancement wavelength varying with the periodicity. Biharmonic gratings are also fabricated to extract the enhanced emission from the first order plasmonic mode, resulting in enhancements with quality factors of up to 16.

引用

页数：3

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