InAs-GaAs Quantum Pyramid Lasers: In Situ Growth, Radiative Lifetimes ... We have realized injection lasers based on InAs-GaAs and InGaAs-GaAs quantum .... plan-view TEM image (right). Local ordering in a 2D square lattice can be resolved. ... unit length is proportional to -(1/L) In(Lc/a) and al- posed of a 0.2-um-thick ...
