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OmniSim

Omni-directional photonic simulations

OmniSim

Graphene

For modelling of graphene and other 2D materials

Modelling graphene and surface materials

OmniSim’s FETD engine supports the modelling of graphene and other 2D materials in 3D using a true surface model. Graphene is characterised by a surface conductivity instead of a refractive index, and is challenging to model with conventional tools.

Here we use FETD to model the resonances associated with suspended graphene ribbons in air, the input light being injected at normal incidence. The results are in excellent agreement with [1].  

Reference

[1] J. W. You and N. C. Panoiu, " Dual-frequency Broadband and Tunable Enhancement of SHG and THG in Graphene-Insulator-Graphene Optical Structures," Phys. Rev. Lett. 2017 (in preparation)