Long-range hybrid plasmonic waveguide comprising a cylinder nanowire surrounded by a high-index contrast dielectric medium on low-index dielectric substrates

Chia Chien Huang

doi:10.1117/12.2018949

22 June 2013 Long-range hybrid plasmonic waveguide comprising a cylinder nanowire surrounded by a high-index contrast dielectric medium on low-index dielectric substrates

Chia Chien Huang

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Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 876935 (2013) https://doi.org/10.1117/12.2018949
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

A novel surface plasmon polariton-based waveguide (or called plasmonic waveguide) is proposed to achieve millimeter-scale propagation distance while maintaining subwavelength mode area. For easy to practically fabricate, the proposed structure is consisted of a cylinder metallic nanowire bounded by a high-index contrast dielectric material on a low-index dielectric substrate. The cladding region of the proposed structure is air. To satisfy the index matching condition, we vary the thickness of the high-index dielectric above the cylinder nanowire. A symmetric mode field profile exhibiting the lowest resistive loss resulted from the metal is thus obtained to accomplish the low-loss propagation. The proposed plasmonic waveguide could offer plasmonic circuit interconnects and high-density integrated photonic circuits.

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Chia Chien Huang "Long-range hybrid plasmonic waveguide comprising a cylinder nanowire surrounded by a high-index contrast dielectric medium on low-index dielectric substrates", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 876935 (22 June 2013); https://doi.org/10.1117/12.2018949

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KEYWORDS

Metals

Nanowires

Dielectrics

Plasmonic waveguides

Silicon

Wave propagation

Silica

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