A plasmonic splitter based on slot cavity

A plasmonic splitter based on slot cavity is proposed and numerically investigated using finite-difference-time-domain (FDTD) methods. The structure consists of the input waveguide, a slot cavity and output waveguides. By varying positions of output waveguides, frequency splitter and power splitter...

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Veröffentlicht in:Optics express 2011-07, Vol.19 (15), p.13831-13838
Hauptverfasser: Guo, Yinghui, Yan, Lianshan, Pan, Wei, Luo, Bin, Wen, Kunhua, Guo, Zhen, Li, Hengyi, Luo, Xiangang
Format: Artikel
Sprache:eng
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Zusammenfassung:A plasmonic splitter based on slot cavity is proposed and numerically investigated using finite-difference-time-domain (FDTD) methods. The structure consists of the input waveguide, a slot cavity and output waveguides. By varying positions of output waveguides, frequency splitter and power splitter can be achieved in the proposed structure. Flexible output power ratio is feasible through further adjusting the coupling distance and the refractive index of output waveguides.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.013831