Cascaded third-harmonic generation in hybrid graphene-semiconductor waveguides

Daria A. Smirnova and Alexander S. Solntsev
Phys. Rev. B 92, 155410 – Published 7 October 2015

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 noncascaded regime.

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  • Received 12 June 2015
  • Revised 24 August 2015

DOI:https://doi.org/10.1103/PhysRevB.92.155410

©2015 American Physical Society

Authors & Affiliations

Daria A. Smirnova1,2 and Alexander S. Solntsev1

  • 1Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia
  • 2Lobachevsky State University, Nizhny Novgorod 603950, Russia

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Issue

Vol. 92, Iss. 15 — 15 October 2015

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