Graded-gap AlInN Gunn diodes

摘要

The paper deals with the numerical simulation of Gunn diodes operation basedudon the graded-gap AlInN. We have obtained the output characteristics of diodes withuddifferent cathode contacts in a wide range of frequencies. Harmonic and biharmonicudmodes of operation have been considered. Cutoff frequency and minimum length of theudactive region have been estimated. Performances of graded-gap AlInN diodes areudcompared with the performances of InN and AlN diodes