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Perturbation theory for graphene-integrated waveguides: Cubic nonlinearity and third-harmonic generation


Reference:

Gorbach, A. V. and Ivanov, E., 2016. Perturbation theory for graphene-integrated waveguides: Cubic nonlinearity and third-harmonic generation. Physical Review A, 94 (1), 013811.

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    Official URL:

    http://dx.doi.org/10.1103/PhysRevA.94.013811

    Abstract

    We present perturbation theory for analysis of generic third-order nonlinear processes in graphene-integrated photonic structures. The optical response of graphene is treated as the nonlinear boundary condition in Maxwell's equations. The derived models are applied for analysis of third-harmonic generation in a graphene-coated dielectric microfiber. An efficiency of up to a few percent is predicted when using subpicosecond pump pulses with energies of the order of 0.1 nJ in a submillimeter-long fiber when operating near the resonance of the graphene nonlinear conductivity ℏω=(2/3)EF.

    Details

    Item Type Articles
    CreatorsGorbach, A. V.and Ivanov, E.
    DOI10.1103/PhysRevA.94.013811
    DepartmentsFaculty of Science > Physics
    Research CentresCentre for Photonics and Photonic Materials
    Condensed Matter Physics CDT
    RefereedYes
    StatusPublished
    ID Code51246

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