Enhancement of transmission efficiency of nanoplasmonic wavelength demultiplexer based on channel drop filters and reflection nanocavities

Hua Lu, Xueming Liu, Yongkang Gong, Dong Mao, Leiran Wang

科研成果: 期刊稿件文章同行评审

99 引用 (Scopus)

摘要

We propose and numerically investigate a novel kind of nanoscale plasmonic wavelength demultiplexing (WDM) structure based on channel drop filters in metal-insulator-metal waveguide with reflection nanocavities. By using finite-difference time-domain simulations, it is found that the transmission efficiency of the channel drop filter can be significantly enhanced by selecting the proper distance between the drop and reflection cavities. The result can be exactly analyzed by the temporal coupled-mode theory. According to this principle, a nanoscale triple-wavelength demultiplexer with high drop efficiencies is designed. The proposed structure can find more applications for the ultra-compact WDM systems in highly integrated optical circuits.

源语言英语
页(从-至)12885-12890
页数6
期刊Optics Express
19
14
DOI
出版状态已出版 - 4 7月 2011
已对外发布

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