材料科学
电介质
等离子体子
光电子学
表面等离子体激元
波导管
金属
光学
金属绝缘体金属
极化(电化学)
纳米光子学
纳米技术
太赫兹辐射
栅栏
折射率
物理
冶金
作者
Georgios Veronis,Shanhui Fan
摘要
We investigate the performance of bends and splitters in metal-dielectric-metal subwavelength plasmonic waveguides. We show that bends and splitters with no additional loss over a very wide frequency range can be designed for metal-dielectric-metal waveguides with center layer thickness small compared to the wavelength. We also introduce the concept of characteristic impedance for such systems to account for their behavior.
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