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Novel Tunable Millimeter-Wave Grating-Gated Plasmonic Detectors

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5 Author(s)
Dyer, G.C. ; Dept. of Phys., Univ. of California, Santa Barbara, CA, USA ; Aizin, G.R. ; Reno, J.L. ; Shaner, E.A.
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We present the development of tunable, narrow-band plasmonic millimeter wave detectors. The current generation of this class of detector monolithically integrates a 2-D plasmonic absorber and a bolometric sensor in a GaAs/AlGaAs HEMT located at the vertex of a broad-band antenna. Response and transport measurements demonstrate absorption by high-order plasmon modes sensed by the integrated bolometer and with a two order of magnitude improvement in sensitivity and noise equivalent power over prior generations of 2-D plasmonic detectors. We compare these recent results with the state of the art in millimeter and submillimeter wave-detection technology.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:17 ,  Issue: 1 )