A demonstration of a semiconductor diode laser based on a type-II Ga1-
xInxSb/InAs superlattice active layer is reported. The laser structure
uses InAs/AlSb superlattice cladding layers and a multiquantum well a
ctive layer with GaInAsSb barriers and Ga1-xInxSb/InAs-superlattice we
lls. An emission wavelength of 3.47 mu m for pulsed operation up to 16
0 K is observed.