A flexible graphene terahertz detector | Zendy

Xinxin Yang | Zendy; Andrei Vorobiev | Zendy; Andrey Generalov | Zendy; Michael Andersson | Zendy; Jan Stake | Zendy

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A flexible graphene terahertz detector

Author(s) -

Xinxin Yang,

Andrei Vorobiev,

Andrey Generalov,

Michael Andersson,

Jan Stake

Publication year - 2017

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4993434

Subject(s) - responsivity , terahertz radiation , graphene , noise equivalent power , detector , optoelectronics , materials science , voltage , biasing , field effect transistor , transistor , substrate (aquarium) , noise (video) , johnson–nyquist noise , photodetector , nanotechnology , optics , physics , oceanography , artificial intelligence , geology , computer science , image (mathematics) , quantum mechanics

We present a flexible terahertz (THz) detector based on a graphene field-effect transistor fabricated on a plastic substrate. At room temperature, this detector reveals voltage responsivity above 2 V/W and estimated noise equivalent power (NEP) below 3 nW/Hz1/2 at 487 GHz. We have investigated the effects of bending strain on DC characteristics, voltage responsivity, and NEP of the detector, and the results reveal its robust performance. Our findings have shown that graphene is a promising material for the development of THz flexible technology.

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