1-5. Measured 2-port S-parameters of your diode including the pads:
filename is diode2pt.txt
!BEGIN ACDATA
# GHz S MA R 50.0
!% F n11x n11y n21x n21y n12x n12y n22x n22y
1.75 0.9683  -23.8255    1.9259  -11.7179         0         0    1.0000  0
2.0  0.9683  -29.8098    1.9021  -14.6593         0         0    1.0000  0
2.4  0.9521  -35.1478    1.8610  -17.1282         0         0    1.0000  0
2.6  0.9529  -35.7572    1.8586  -17.4327         0         0    1.0000  0
3.0  0.8956  -44.0234    1.7578  -20.7357         0         0    1.0000  0
!END
Copy diode2pt.txt to the data folder in your current project
directory.