Graphene Frequency Multipliers

@article{Wang2009GrapheneFM,
  title={Graphene Frequency Multipliers},
  author={Han Wang and Daniel Nezich and Jing Kong and Tom{\'a}s Palacios},
  journal={IEEE Electron Device Letters},
  year={2009},
  volume={30},
  pages={547-549}
}
In this letter, the ambipolar transport properties of graphene flakes have been used to fabricate full-wave signal rectifiers and frequency-doubling devices. By correctly biasing an ambipolar graphene field-effect transistor in common-source configuration, a sinusoidal voltage applied to the transistor gate is rectified at the drain electrode. Using this concept, frequency multiplication of a 10-kHz input signal has been experimentally demonstrated. The spectral purity of the 20-kHz output… CONTINUE READING
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