Tunable Low Threshold Optical Tristability at Terahertz Frequencies via a Pair of Parallel Graphene Layers’ Configuration

<div>Schematic diagram of the influence of the dielectric constant (a) and the thickness (b) of the dielectric plate on the tristable phenomenon. The other parameters are the same as before.</div>

Advances in Condensed Matter Physics

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Figure 4

Figure 4: Tunable Low Threshold Optical Tristability at Terahertz Frequencies via a Pair of Parallel Graphene Layers’ Configuration 