Electrically modulated nonlinear terahertz metamaterials

G R Keiser,I Brener,N Karl,A J Taylor,D M Mittleman,J L Reno,C Tulloss,A Benz,H.-T Chen

doi:10.1109/irmmw-thz.2016.7758757

Electrically modulated nonlinear terahertz metamaterials

G R Keiser, I Brener + Show 7 more

https://doi.org/10.1109/irmmw-thz.2016.7758757

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Publication Date: Sep 1, 2016

Citations: 4

Affiliation: Sandia National Laboratories, Brown University, Providence College, Los Alamos National Laboratory

#Split-ring Resonators #N-type GaAs + Show 8 more

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Abstract

We present an electrically modulated nonlinear metamaterial at terahertz frequencies. The device consists of a planar array of split-ring resonators (SRRs) fabricated on n-type GaAs. Increasing the incident THz field strength induces carriers in the GaAs substrate, shorting the SRR capacitive gap and modulating the MM resonance. The application of a 15V bias to the MM reduces the net field modulation by ∼60%.

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