Terahertz detection using mechanical resonators based on 2D materials

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Researchers

Research units

  • VTT Technical Research Centre of Finland

Abstract

We have investigated a THz detection scheme based on mixing of electrical signals in a voltage-dependent capacitance made out of suspended graphene. We have analyzed both coherent and incoherent detection regimes and compared their performance with the state of the art. Using a high-amplitude local oscillator, we anticipate potential for quantum limited detection in the coherent mode. The sensitivity stems from the extraordinary mechanical and electrical properties of atomically thin graphene or graphene-related 2D materials.

Details

Original languageEnglish
Article number065014
Pages (from-to)1-6
JournalAIP ADVANCES
Volume7
Issue number6
Publication statusPublished - 1 Jun 2017
MoE publication typeA1 Journal article-refereed

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