Review Article
Recent Approaches for Broadening the Spectral Bandwidth in Resonant Cavity Optoelectronic Devices
Figure 10
Schematic of a typical 850 nm design, consisting of an HCG-based top mirror, a 5/4- air gap, a -cavity containing an active region, and a conventional semiconductor-based bottom -DBR mirror. Here = 2 or 4 [47].