Many design tools utilized in the optical device and module development environment can be categorized into two broad classes: (1) simplified expressions that predict basic device performance based on a few key input parameters, and (2) detailed simulations for generation of designs that are readily translated into devices with desired performance. The first of these design tool types is useful to gain an understanding of directions for improvement of optical performance with a minimum investment in simulation development. However, for efficient device design in an environment where the desired optical performance changes significantly between designs, the second design tool type with optimizing drivers and well-characterized input parameters is required. In this presentation, some examples where both types of tools have been effectively used for device and module design are reviewed.
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