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Nanoscale Photodetector Could Advance, Miniaturize Optoelectronics

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MADISON, Wis. and BUFFALO, N.Y., July 10, 2017 — Using a high-yield, high-throughput fabrication method, nanometer-thin photodetectors with enhanced light absorption have been demonstrated. The photodetectors, which are based on a nanocavity interference mechanism, could enable miniaturization of optoelectronic devices, leading to performance gain without adding bulk. The research addressed two remaining challenges to the thinning of photoactive layers to the nanometer scale: how to prevent incomplete photon absorption and low quantum efficiency due to weak light-matter interaction and how to maintain single-crystalline quality in the...Read full article

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