Hi Rich,
Thanks for the suggestion! It is currently possible to create components in OptiBPM, OptiGrating and OptiFiber and then simulate them as part of a system in OptiSystem. Further integration of the component design tools into OptiSystem is definitely something we discuss.
What kind of designs are you looking at simulating that would benefit from co-simulation of OptiSystem with OptiFDTD and OptiBPM?
Regards