Spontaneous Emission Rate Enhancement of Silicon Nanocrystals by Plasmonic Bandgap on Copper Grating

被引：9
|
作者：
Feng, Xue [1 ]
Liu, Fang [1 ]
Huang, Yidong [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Integrated Optoelect, Beijing 100084, Peoples R China
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2010年 / 28卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Band gap; copper; metallic grating; spontaneous emission; surface plasmon polariton; LIGHT-EMISSION; QUANTUM DOTS; PHOTOLUMINESCENCE; POLARITONS; EFFICIENCY; ORIGIN;
D O I：
10.1109/JLT.2010.2042788
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The spontaneous emission (SE) rate enhancement due to surface plasmon polariton bandgap effect on copper grating was evaluated by calculating the dispersion relation and the electromagnetic field distribution simultaneously. Within the frequency range of silicon nanocrystals (Si-NC) luminescence ((h) over bar omega eV-1.9 eV), the calculated maximum averaged Purcell factors is about 30-163 for sinusoidal shaped Cu-Si-3 N-4 grating. It is proved that copper can be adopted to enhance the SE of Si-NCs. Since copper is the most commonly adopted metal for silicon integrated-circuit manufacturing, such results pave a promising way for integrating Si emitters on microelectronics chips.
引用
收藏
页码：1420 / 1430
页数：11
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