Layout design of 10x10 VCSEL array with the particle swarm optimization algorithm

With the aid of the particle swarm optimization algorithm (PSOA), the layout of 10x10 vertical cavity surface emitting laser (VCSEL) array is optimized to improve the output optical power. The simulation results show that, for the optimized VCSEL array with PSOA, the peak junction temperature is lowered by 6.55K, and the non-uniformity of the junction temperature distribution is improved by 32.56% when compared with the conventional VCSEL array without PSOA. As a result, the output optical power is increased by 89.86%. Furthermore, both the VCSEL arrays with and without PSOA are fabricated and the experimental results are consistent well with the simulation results.