Research Article

Integrated Duo Wavelength VCSEL Using an Electrically Pumped GaInAs/AlGaAs 980 nm Cavity at the Bottom and an Optically Pumped GaInAs/AlGaInAs 1550 nm Cavity on the Top

Figure 15

Plot of output optical power (1550 nm) versus pump power (980 nm) for the designed optically pumped 1550 nm VCSEL.