Can someone please help me to build fiber and simulate in Comsol ,I have no idea and where to start from.I want to simulate the IEEE work ,how to proceed? thanks
Probably your best bet will be to watch some videos. There are many on Youtube, but the complete set is offered through their own website. Check this out and follow the chapters to: https://www.comsol.fr/video/how-set-up-run-simulation-comsol-multiphysics