Numerical simulation of the THz lasing in the cavity with graphene-based hyperbolic medium
2019
THz wave emission in the cavity which contains the graphene-multilayer asymmetric hyperbolic metamaterials is investigated numerically using transfer matrix method. In was assumed that the gain saturation appears as the decrease of imaginary part of effective dielectric permittivity. Gain –loss balance predicts the intensity of THz lasing.
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