1.5 µm InGaAs/InGaAsP/InP Quantum Dot Lasers Operating cw at Room Temeprature

Cw operation of QD lasers emitting at ~1.5 µm at room temperature have been demonstrated. Jth per QD stack of ~430 A/cm2 is measured for broad area lases with 5, 7, and 10 QD stacks.