Fig. 3: The entropy (K₂) of the simulated time-series before and after a filtering process with 2 GHz bandwidth.

a K₂ = 19 ns⁻¹ and b K₂ = 3.2 ns⁻¹ are obtained directly from the chaotic output series of the rate equations and accounting 2 GHz bandwidth of the ADC, respectively, at Δf = 10.6 GHz