581810.fig.003
Figure 3: Optimal peak signal gain (solid curves) and slow-down factors, 𝑆 𝑠 (dashed curves) and 𝑆 𝑝 (dash-dotted curves), as functions of input pump intensity in a 2, 4, 8, and 12 mm long SRAs. Other parameters are the same as in Figure 2.