Surface Plasmonic Lattice Solitons
Yao Kou, Fangwei Ye, and Xianfeng Chen
TL;DR
This paper demonstrates the existence and properties of surface plasmonic lattice solitons at metallic-dielectric boundaries, highlighting their threshold power, localization, and potential for subwavelength optical switching.
Contribution
It introduces surface plasmonic lattice solitons at the boundary of semi-infinite structures and explores their excitation, localization, and application in optical switching.
Findings
Surface PLSs exist at metallic-dielectric boundaries.
Truncation imposes a threshold power for surface PLSs.
Surface PLSs enable all-optical subwavelength switching.
Abstract
We reveal the existence of the surface plasmonic lattice solitons (surface PLSs) at the boundary of a semi-infinite metallic-dielectric periodic nano-structure. We find that the truncation of the periodic structure imposes a threshold power for the existence of surface PLSs, and enhances significantly the modal localization. The propagation and excitation of surface PLSs as well as their potential application in the all-optical subwavelength switching are also demonstrated.
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