文档介绍：26 4 光电技术应用 26 4
第2011卷第8 期 Vol. ,
年月 ELECTRO-OPTIC TECHNOLOGY APPLICATION August,
·光电器件与材料·
突破衍射极限的表面等离子体激元
陈燕坤,韩伟华,李小明,杜彦东,杨富华
(中国科学院半导体研究所半导体集成技术工程研究中心,北京 100083)
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摘要:表面等离子体激元是外部电磁场诱导金属表面自由电子的集体共振,产生沿金属介质界面传输的表面波,具有
亚波长局域、近场增强和新颖的色散特性,在纳米光子学中发挥着重要的角色。利用表面等离子体激元构成的光学器件能够
突破衍射极限,实现微电子与光子在同一个芯片上的集成。系统介绍了表面等离子体激元的基本原理,及其在光波导、探测
器、调制器和太阳能电池等方面的重要应用。
关键词:表面等离子体激元;纳米光子学;表面等离子体光学器件
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中图分类号:O539;TB383 文献标识码:A 文章编号:1673 1255(2011)04 0039 06
Surface Plasmonics Polaritons beyond Diffraction Limit
CHEN Yan-kun, HAN Wei-hua, LI Xiao-ming, DU Yan-dong, YANG Fu-hua
(Research Center of Semiconductor Integration Technology, Institute of Semiconductors, Chinese Academy of Science,
Beijing 100083, China)
Abstract: Surface plasmonics polaritons are waves that propagate along the metal-dielectric interfaces,
caused by the collective oscillations of electron plasma in the metal induced by the external ic field.
With the properties of sub-wavelength localization, near-field enhacement and novel dispertions, surface plamon
polaritons play a significant role in nanophotonics. Plasmonic devices have the potential of integrating microelec⁃
tronics and photonics in one chip beyond the diffraction limit. The basic principles of plasmonics, and their appli⁃
cations in optical waveguides, detectors, modulators and solar cells are discussed.
Key words: su