Sorting the modes contributing to guidance in strain-induced graphene waveguides

Cesar E.P. Villegas, Marcos R.S. Tavares, G. Q. Hai, F. M. Peeters

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

7 Citas (Scopus)


We propose a simple way of probing the number of modes contributing to the channeling in graphene waveguides which are formed by a gauge potential produced by mechanical strain. The energy mode structure for both homogeneous and non-homogeneous strain regimes is carefully studied using the continuum description of the Dirac equation. We found that high strain values privilege negative (instead of positive) group velocities throughout the guidance, sorting the types of modes flowing through it. We also show how the effect of a substrate-induced gap competes against the strain.

Idioma originalInglés
Número de artículo023015
PublicaciónNew Journal of Physics
EstadoPublicada - feb. 2013


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