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Terahertz Meta-Atom Quantum Well Photodetectors

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Abstract

We demonstrate single-pixel and 2D arrays of THz quantum-well photodetectors featuring extremely sub-wavelength, antenna-coupled resonators. Few-micron sized devices show photodetection in the 100-200 μm range, with a consequent dramatic reduction in the device dark current.

© 2016 Optical Society of America

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