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Analytical Modeling of Graphene Ribbons as Optical Circuit Elements

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2 Author(s)
Khavasi, A. ; Dept. of Electr. Eng., Sharif Univ. of Technol., Tehran, Iran ; Rejaei, B.

We demonstrate that graphene ribbons can be modeled as circuit elements, which have dual capacitive-inductive nature. In the subwavelength regime, the surface current density on a single graphene ribbon subject to an incident p-polarized plane wave is derived analytically and then it is extended to coplanar arrays of graphene ribbons by applying perturbation theory. It is demonstrated that even isolated graphene ribbons have capacitive properties and the interaction between them in an array only changes the capacitance. Finally, we propose an accurate circuit model for the ribbon array by applying appropriate boundary conditions.

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Quantum Electronics, IEEE Journal of  (Volume:50 ,  Issue: 6 )