Operating wavelength range of 25.8-Gb/s 1.3-µm DML extended to 30 nm

A 30-nm operating wavelength range was realized for a 1.3-μm InGaAlAs DML with a 25.8-Gb/s push-pull driving configuration. Clear eye openings, an 8.0-dBm output power, and a 4.0-dB dynamic extinction ratio were obtained.