10.3-Gb/s operation over a wide temperature range in 1.3-μm quantum-dot DFB lasers with high modal gain

Temperature-stable 10.3-Gb/s operation was attained for 1.3-μm quantum-dot DFB lasers with high modal gain. Clearly-opened eye diagrams with the extinction ratio of over 5.2 dB were obtained from -40°C to 80°C.