The model of simultaneous double-state losing in semiconductor QD lasers

Condensed matter physics

We have provided theoretical investigation of the double-state lasing phenomena in InAs/InGaAs self-assembled quantum dot lasers. It is shown that the difference between electron and hole capture rates leads to decrease of output lasing power via QD ground states with increasing current. Taking into account this effect makes it possible to describe observed watt-ampere characteristic and its spectral components both qualitatively and quantitatively.