<title>Physical models and numerical simulation of modern semiconductor lasers</title>

Simulation of modern semiconductor lasers requires the inclusion of complex physical models as well as sophisticated numerical analysis techniques in 2/3 dimensions. Using DFB lasers and VCSEL's as examples, we describe our physical models for strained quantum wells, spatial hole burning effects, carrier transport, thermal effects, and multiple lateral and longitudinal modes. Numerical approaches used to integrate various physical models are also discussed.