A self-consistent model of stripe geometry lasers based on the beam propagation method

Using the propagating beam technique to solve Maxwell's equations together with a shooting method solution to the carrier diffusion equation, we develop an iterative, self-consistent procedure for determining the properties of stripe geometry lasers. This procedure allows us to calculate the power-current characteristics, differential quantum efficiencies, gain distributions and near and far fields over a wide range of currents at and above threshold. Far above threshold, we find, as expected, that symmetric and antisymmetric transverse modes can lase simultaneously.

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