Figure 5
From: Strong Coherent Light Amplification with Double Electromagnetically Induced Transparency Coherences
(a) Gain vs P s for P c = 30 mW; (b) Gain vs P c for different P s: 30 mW (blue circles), 20 mW (black triangles), and 10 mW (pink squares). Other parameters are the same as those in Fig. 4(b). Solid curve is the theoretical predication.
