Guilin Sun
Ansys Employee

Please search youtube: EME Lumerical

examples:

https://optics.ansys.com/hc/en-us/articles/360042800413-Linear-waveguide-taper

https://optics.ansys.com/hc/en-us/articles/360042304554-Polarization-converter-using-a-tapered-waveguide

https://optics.ansys.com/hc/en-us/articles/360042702653-HAMR-tapered-waveguide

If you have other questions please write a new post specifically.