Design and modelling of graphene based attenuator

This paper presents the design of a tunable attenuator with under-layer graphene, where its transmission properties can be adjusted electrically. Its tunability comes from the varying conductivity of graphene biased by external voltage. The forward transmission varies more than 60% when voltage is applied to change chemical potential in the range 0-0.8eV. The promising results provide an alternative using graphene for tunable transmission lines.