Quantum-Dot Semiconductor Optical Amplifiers: State Space Model versus Rate Equation Model

Figure 4

Comparison of the results of the SSM with the results obtained from solving the rate equations of QD-SOA by FDM at {Δ𝑧=𝐿/4000,Δ𝑧=𝐿/200,Δ𝑧=𝐿/40,Δ𝑧=𝐿/20,Δ𝑧=𝐿/10}: (a) gain response, (b) normalized input and output signals, and (c) gain saturation curves @𝐽=4.

(a)

(b)

(c)