Graphene sustained nonlinear modes in dielectric waveguides
Journal article published in 2013 by
Aldo Auditore,
C. D. Angelis,
Costantino De Angelis 
,
Andrea Locatelli,
Stefano Boscolo,
Michele Midrio,
Marco Romagnoli,
Antonio-Daniele Capobianco,
Gianfranco Nalesso
,
Andrea Locatelli,
Stefano Boscolo,
Michele Midrio,
Marco Romagnoli,
Antonio-Daniele Capobianco,
Gianfranco Nalesso
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Abstract
We discuss the existence of nonlinear modes sustained by graphene layers in dielectric waveguides. Taking advantage of the almost two dimensional nature of graphene, we introduce the nonlinear effect as a parameter in the continuity equations. We then apply our modeling to a simple slab waveguide to enlighten how graphene can be used to induce huge nonlinear phase shifts at easily accessible power levels.