Sum frequency generation from touching wires: A transformation optics approach

Shimon Elkabetz; K. Nireekshan Reddy; Yonatan Sivan

doi:10.1364/OL.414940

Sum frequency generation from touching wires: A transformation optics approach

Shimon Elkabetz, K. Nireekshan Reddy, Yonatan Sivan

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1 Scopus citations

Abstract

We employ transformation optics to study analytically nonlinear wave mixing from a singular geometry of touching plasmonic wires. We obtain the analytic solution of the near field and complement it with a solution of far-field properties. We find, somewhat surprisingly, that optimal efficiency (in both regimes) is obtained for the degenerate case of second-harmonic generation. We exploit the analytic solution obtained to trace this behavior to the spatial overlap of input fields near the geometric singularity.

Original language	English
Pages (from-to)	2079-2082
Number of pages	4
Journal	Optics Letters
Volume	46
Issue number	9
DOIs	https://doi.org/10.1364/OL.414940
State	Published - 1 May 2021
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.414940

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title = "Sum frequency generation from touching wires: A transformation optics approach",

abstract = "We employ transformation optics to study analytically nonlinear wave mixing from a singular geometry of touching plasmonic wires. We obtain the analytic solution of the near field and complement it with a solution of far-field properties. We find, somewhat surprisingly, that optimal efficiency (in both regimes) is obtained for the degenerate case of second-harmonic generation. We exploit the analytic solution obtained to trace this behavior to the spatial overlap of input fields near the geometric singularity.",

author = "Shimon Elkabetz and {Nireekshan Reddy}, K. and Yonatan Sivan",

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AB - We employ transformation optics to study analytically nonlinear wave mixing from a singular geometry of touching plasmonic wires. We obtain the analytic solution of the near field and complement it with a solution of far-field properties. We find, somewhat surprisingly, that optimal efficiency (in both regimes) is obtained for the degenerate case of second-harmonic generation. We exploit the analytic solution obtained to trace this behavior to the spatial overlap of input fields near the geometric singularity.

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Sum frequency generation from touching wires: A transformation optics approach

Abstract

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