Figure 5
From: Study of all-group-IV SiGeSn mid-IR lasers with dual wavelength emission
The evolution of dual-wavelength lasing action as a function of pump power for sample B3. (a) The lasing spectra at pump power densities of 357, 420, 462, and 505 kW/cm2, respectively. (b) The L-L dependency for sample B3.
