A detailed study of plasma wave detectors operating in the deep saturation regime is absent so far. we have experimentally demonstrated for the first time many advantages of operating plasma wave detectors in the saturation regime. Our results showed that the response from several connected transistors increases at least proportionally to the number of transistors placed in series. Future work shall greatly increase the number of the connected transistors in order to take advantage of the improved coupling and this shall also lead to a much greater increase in the responsivity as predicted in. The achieved subwavelength resolution also shows the possibility of designing two dimensions plasmonic FET arrays to sense and image complex distributions of THz intensity as a near field terahertz microscopy.
PIs: Dr. Tamer Elkatib
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