Terahertz detection using mechanical resonators based on 2D materials

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...

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Main Authors: Juha Hassel, Mika Oksanen, Teemu Elo, Heikki Seppä, Pertti J. Hakonen
Format: Article
Language:English
Published: AIP Publishing LLC 2017-06-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4990405
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author Juha Hassel
Mika Oksanen
Teemu Elo
Heikki Seppä
Pertti J. Hakonen
author_facet Juha Hassel
Mika Oksanen
Teemu Elo
Heikki Seppä
Pertti J. Hakonen
author_sort Juha Hassel
collection DOAJ
description 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.
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spelling doaj.art-e68443cdddbc4dd1b70c5a1d5d3e36b32022-12-21T18:21:19ZengAIP Publishing LLCAIP Advances2158-32262017-06-0176065014065014-610.1063/1.4990405053706ADVTerahertz detection using mechanical resonators based on 2D materialsJuha Hassel0Mika Oksanen1Teemu Elo2Heikki Seppä3Pertti J. Hakonen4VTT Technical Research Centre of Finland, PO BOX 1000, FI-02044 VTT, FinlandLow Temperature Laboratory, Department of Applied Physics, Aalto University School of Science, FI-00076, FinlandLow Temperature Laboratory, Department of Applied Physics, Aalto University School of Science, FI-00076, FinlandVTT Technical Research Centre of Finland, PO BOX 1000, FI-02044 VTT, FinlandLow Temperature Laboratory, Department of Applied Physics, Aalto University School of Science, FI-00076, FinlandWe 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.http://dx.doi.org/10.1063/1.4990405
spellingShingle Juha Hassel
Mika Oksanen
Teemu Elo
Heikki Seppä
Pertti J. Hakonen
Terahertz detection using mechanical resonators based on 2D materials
AIP Advances
title Terahertz detection using mechanical resonators based on 2D materials
title_full Terahertz detection using mechanical resonators based on 2D materials
title_fullStr Terahertz detection using mechanical resonators based on 2D materials
title_full_unstemmed Terahertz detection using mechanical resonators based on 2D materials
title_short Terahertz detection using mechanical resonators based on 2D materials
title_sort terahertz detection using mechanical resonators based on 2d materials
url http://dx.doi.org/10.1063/1.4990405
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