Simulation with beam propagation method for twin-stripe lasers

摘要

A self-consistent analysis using beam propagation method is presented which takes into account current spreading in the p-cladding layer, the effect of lateral diffusion of carriers in the active region and stimulated radiative recombination. The operating characteristics of the twin-stripe laser with multi-quantum-well active region are compared with those of the conventional twin-stripe laser with bulk active region. The results show large reduction of the threshold current can be expected by employing the multi-quantum-well structure.