Import S-parameters of Transistor or diode in comsol from Agilent ADS simulate in comsol

hi,
How i can import S-parameters of transistor or diode (active component) from Agilent ADS and then simulate in COMSOL.

I have one microstrip coupler which is connected with diode. i want to import Diode s-parameter in COMSOL and then want to see response