Silicon-Based Light Sources for Silicon Integrated Circuits

Figure 7

(a) Absorption and luminescence spectra of an ${\text{Er}}^{3+}$-coupled Si-nc waveguide. Adapted from [71]. (b) Signal enhancement at 1.535 $\mu$m in an ${\text{Er}}^{3+}$-coupled Si-nc waveguide versus the pumping power density by using top pumping as shown in the inset. Adapted from [74].

(a)

(b)