Enhancing Second-Harmonic Generation through Phase-Matching in a Silver Two-Wire Transmission-Line

We numerically study phase-matching of the second-harmonic generation (SHG) efficiency of a silver plasmonic two-wire transmission-line (TWTL). By leveraging the intrinsic material properties of silver and precise geometric parameter tuning of TWTL, we achieved an extended coherence length of 20μm. At phase-matching conditions, we report 72% enhancement in the peak intensity of SHG compared to gold.

*This work was supported by the National Science and Technology Council through Grant 112-2112-M-007-021-MY3.

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Bulletin of the American Physical Society

2024 APS March Meeting

Monday–Friday, March 4–8, 2024; Minneapolis & Virtual

Session D11: Non-Carbon Based Nanostructures

Abstract: D11.00011 : Enhancing Second-Harmonic Generation through Phase-Matching in a Silver Two-Wire Transmission-Line*

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