Terahertz detection using mechanical resonators based on 2D materials

Juha Hassel; Mika Oksanen; Teemu Elo; Heikki Seppä; Pertti J. Hakonen

doi:10.1063/1.4990405

Terahertz detection using mechanical resonators based on 2D materials

Juha Hassel, Mika Oksanen, Teemu Elo, Heikki Seppä, Pertti J. Hakonen

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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.

Original language	English
Article number	065014
Pages (from-to)	1-6
Journal	AIP ADVANCES
Volume	7
Issue number	6
DOIs	https://doi.org/10.1063/1.4990405
Publication status	Published - 1 Jun 2017
MoE publication type	A1 Journal article-refereed

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10.1063/1.4990405

1%2E4990405Final published version, 380 KBLicence: CC BY

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Terahertz detection using mechanical resonators based on 2D materials

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Centre of Excellence in Low Temperature Quantum Phenomena and Devices

Quantum technology and materials for parallel sensor-actuator units in ICT

OtaNano – Low Temperature Laboratory

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Terahertz detection using mechanical resonators based on 2D materials

Abstract

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Projects

Centre of Excellence in Low Temperature Quantum Phenomena and Devices

Quantum technology and materials for parallel sensor-actuator units in ICT

Equipment

OtaNano – Low Temperature Laboratory

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