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Optimization of Second-harmonic Generation from Touching Plasmonic Wires by Elkabetz, Shimon; Reddy, K. Nireekshan; Chen, Parry Y.; andez-Domnguez, Antonio I. Fern; Sivan, Yonatan is a scholarly article available to read on EtoBox.

What is Optimization of Second-harmonic Generation from Touching Plasmonic Wires about?

We employ transformation optics to optimize the generic nonlinear wave interaction of second-harmonic generation from a pair of touching metallic wires. We demonstrate a 10 orders of magnitude increase in the second-harmonic scattering cross-section by increasing the background permittivity and a 5 orders of magnitude increase in efficiency with respect to a single wire. These results have clear implications for the design of nanostructured metallic frequency-conversion devices. Finally, we exploit our analytic solution of a non-trivial nanophotonic geometry as a platform for performing a critical comparison of the strengths, weaknesses and validity of other prevailing theoretical approaches previously employed for nonlinear wave interactions at the nanoscale.

Author

Elkabetz, Shimon; Reddy, K. Nireekshan; Chen, Parry Y.; andez-Domnguez, Antonio I. Fern; Sivan, Yonatan

Published

2020

Language

EN