Dun Mao, T. Kananen, J. Sinsky, Nicholas Petrone, J. Hone, P. Dong, Tingyi Gu
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Small-signal model for heterogeneous integrated graphene-silicon photonics
We demonstrate directly contacted graphene-silicon p-i-n junction for ultrafast response. The two-dimensional junction is parameterized by fitting a small-signal model to RF response. The model extrapolates a maximum bandwidth up to 70 GHz.