Photonics (Jul 2015)

Graphene Plasmonic Waveguides for Mid-Infrared Supercontinuum Generation on a Chip

  • Andrey V. Gorbach

DOI
https://doi.org/10.3390/photonics2030825
Journal volume & issue
Vol. 2, no. 3
pp. 825 – 837

Abstract

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Using perturbation expansion of Maxwell equations with the nonlinear boundary condition, a generic propagation equation is derived to describe nonlinear effects, including spectral broadening of pulses, in graphene surface plasmon (GSP) waveguides. A considerable spectral broadening of an initial 100 fs pulse with 0.5 mW peak power in a 25 nm wide and 150 nm long waveguide is demonstrated. The generated supercontinuum covers the spectral range from 6 μm to 13 μm .

Keywords