ABSTRACT

High temperature and very low threshold current operation of separate confinement heterostructure AlGaInP/GaxIn1−xP (x = 0.43) strained multiple quantum well lasers has been achieved. Continuous wave (cw) operation was observed up to at least 150°C with an output power of more than 7mW, which is the highest cw operating temperature ever reported for devices operating in the visible wavelength region. The characteristic temperature was 130K (20 − 80°C) and the threshold current at 25°C was 13.9mA.