Design of high-brightness tapered laser arrays

摘要

The design of a high-power low-divergence low-astigmatismntapered-waveguide laser array is described. A two-dimensional beamnpropagation model is used for the first time to optimize antapered-waveguide laser, which includes full thermal and spatiotemporalndescriptions to allow detailed assessment of the major waveguidingneffects on the output beam. This allows limits to the far-fieldnperformance to be addressed and compared with experimental data