Continuous room-temperature operation of microdisklaser diodes

Abstract
InGaAs/GaAs/AlGaAs multiquantum well microdisk laser diodes have been realised which operate continuously at room temperature. A threshold current of Ith = 1.2 mA has been measured for a R = 4.75 µm radius disk with lasing emission wavelength near λ = 1.0 µm.