Short-range surface plasmon propagation supported by stimulated amplification using electrical injection

被引：14

作者：

Li, Yicen ^{[1
]}

Zhang, Hui ^{[2
]}

Zhu, Ning ^{[2
]}

Mei, Ting ^{[2
]}

Zhang, Dao Hua ^{[1
]}

Teng, Jinghua ^{[3
]}

机构：

[1] Nanyang Technol Univ, Nanophoton Lab, Sch Elect & Elect Engn, Singapore 639798, Singapore

[2] S China Normal Univ, Inst Optoelect Mat & Technol, Guangzhou 510631, Guangdong, Peoples R China

[3] Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 22期

基金：

新加坡国家研究基金会;

关键词：

GAIN-ASSISTED PROPAGATION; WAVE-GUIDES; QUANTUM-WELLS; POLARITONS; EMISSION; WAVELENGTH; MODULATION; EXCITATION; LASERS; FILMS;

D O I：

10.1364/OE.19.022107

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have investigated the propagation of the long-range mode (LRSP) and the short-range mode (SRSP) surface plasmon polaritons (SPPs) along the waveguide made from Au film and quantum wells (QWs) gain medium. Influenced by the gain spectral nonuniformity, the SRSP showed narrower spectrum than the LRSP in output, denoting that the SRSP propagation was supported by stimulated amplification (SA) in electrically-pumped QWs. An SRSP output power as large as 1.6 times of that of the LRSP was obtained over a travelling distance of 80 mu m. The mechanism of SA-supported SRSP propagation can be adopted for electrical modulation of SPPs. (C) 2011 Optical Society of America

引用

页码：22107 / 22112

页数：6

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