Band-pass plasmonic slot filter with band selection and spectrally splitting capabilities | Zendy

Feifei Hu | Zendy; Huaxiang Yi | Zendy; Zhiping Zhou | Zendy

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Band-pass plasmonic slot filter with band selection and spectrally splitting capabilities

Author(s) -

Feifei Hu,

Huaxiang Yi,

Zhiping Zhou

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.004848

Subject(s) - optics , filter (signal processing) , surface plasmon polariton , band pass filter , plasmon , materials science , coupling (piping) , surface plasmon , optical filter , optoelectronics , physics , computer science , computer vision , metallurgy

An ultra-compact surface plasmon polaritons (SPPs) narrow band-pass filter based on a slot cavity is proposed and numerically investigated. Attributed to the coupled resonances in the cavity, the filter demonstrates pass-band selection capability. Also, by varying the positions of output waveguides, the filter shows the spectrally splitting function. Moreover, the combination of the adjustments to the length/width of the slot cavity and to the coupling distance provides more flexibility in design for the locations and widths of the pass-bands of the proposed filter.

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