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arXiv · 1507.01361

Cascaded third harmonic generation in hybrid graphene-semiconductor waveguides

Daria A. Smirnova·Alexander S. Solntsev
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Abstract

We study cascaded harmonic generation of hybrid surface plasmons in integrated planar waveguides composed of a graphene layer and a doped-semiconductor slab. We derive a comprehensive model of cascaded third harmonic generation through phase-matched nonlinear interaction of fundamental, second harmonic and third harmonic plasmonic modes supported by the structure. We show that hybrid graphene-semiconductor waveguides can simultaneously phase-match these three interacting harmonics, increasing the total third-harmonic output by a factor of 5 compared to the non-cascaded regime.

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Daria A. Smirnova, Alexander S. Solntsev. 2015-07-06. Cascaded third harmonic generation in hybrid graphene-semiconductor waveguides. https://doi.org/10.1103/physrevb.92.155410

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