Multimode interference splitter based on dielectric-loaded surface plasmon polariton waveguides

We numerically demonstrated 1 x N multimode interference (MMI) splitters based on dielectric-loaded surface plasmon polariton waveguides (DLSPPW). The dependences of real part of effective index, propagation length and lateral mode profiles of the waveguides on the geometrical parameters are analyze...

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Bibliographic Details
Published inOptics express Vol. 17; no. 15; pp. 12594 - 12600
Main Authors Yuan, Guanghui, Wang, Pei, Lu, Yonghua, Ming, Hai
Format Journal Article
LanguageEnglish
Published United States 20.07.2009
Subjects
Electronics
Equipment Design
Gold - chemistry
Lab-On-A-Chip Devices
Optics and Photonics
Photons
Polymethyl Methacrylate - chemistry
Surface Plasmon Resonance - methods
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Summary:We numerically demonstrated 1 x N multimode interference (MMI) splitters based on dielectric-loaded surface plasmon polariton waveguides (DLSPPW). The dependences of real part of effective index, propagation length and lateral mode profiles of the waveguides on the geometrical parameters are analyzed in detail. The transmission efficiency of the MMI splitter is as much as 60%, with their splitting length being in the range of several micrometers. The performance of the device is found in agreement with results predicted by theoretical MMI self-imaging theory. Such MMI splitter is important for implementation of high density photonic integration and lab-on-a-chip applications.
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ISSN:1094-4087
DOI:10.1364/OE.17.012594