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Appl. Sci. 2018, 8(1), 39; https://doi.org/10.3390/app8010039

Slot Waveguide Enhanced Bloch Surface Waves

Institute of Photonics, Department of Physics and Mathematics, University of Eastern Finland, P.O. BOX 111, 80101 Joensuu, Finland
Received: 1 December 2017 / Revised: 22 December 2017 / Accepted: 26 December 2017 / Published: 30 December 2017
(This article belongs to the Special Issue Surface Waves on Planar Photonic Crystals)
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Abstract

The paper presents a novel concept for the on-chip integration of a multilayer platform sustaining Bloch surface waves further enhanced by the so-called slot waveguide effect. Through simulations, we demonstrate that a carefully designed polymer waveguide arrangement coated with a subwavelength dielectric multilayer can be efficiently used to first excite a Bloch surface wave at the surface of the multilayer and second to enhance this wave and allow longer propagation of the surface mode by constructive superimposition of two evanescent tails inside a narrow gap. View Full-Text
Keywords: surface wave; polymer waveguide; slot waveguide; field localization surface wave; polymer waveguide; slot waveguide; field localization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Roussey, M. Slot Waveguide Enhanced Bloch Surface Waves. Appl. Sci. 2018, 8, 39.

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