Performance of graphene thermal photon detectors

We analyze the performance of graphene microstructures as thermal photon detectors and deduce the range of parameters that define a linear response. The saturation effects of a graphene thermal detector that operates beyond the linear range are described in detail for a single-photon detector (calor...

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Bibliographic Details
Published in:Journal of applied physics 2013-01, Vol.113 (4)
Main Authors: McKitterick, Christopher B., Prober, Daniel E., Karasik, Boris S.
Format: Article
Language:English
Subjects:
Detectors
Graphene
Microstructure
Nonlinearity
Optimization
Photons
Saturation
Terahertz frequencies
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Summary:We analyze the performance of graphene microstructures as thermal photon detectors and deduce the range of parameters that define a linear response. The saturation effects of a graphene thermal detector that operates beyond the linear range are described in detail for a single-photon detector (calorimeter). We compute the effect of operating beyond this linear range and find that sensitive detection occurs for such non-linear operation. We identify the optimum conditions and find that single-photon detection at terahertz frequencies should be feasible.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4789360