Image sensors for low cost infrared imaging and 3D sensing

Lee, Jiwon; Georgitzikis, Epimitheas; Sieleghem, Edward Van; Chang, Yun-Tzu; Syshchyk, Olga; Li, Yunlong; Boulenc, P.; Karve, Gauri; Furxhi, Orges; Cheyns, David; Malinowski, Paweł E.

doi:10.1117/12.2559949

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2021

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“…SiGe sensor technology holds promise for some applications with high resolution and lower cost, but unfortunately is plagued currently with higher dark currents, smaller spectral range, and thick layers to absorb the longer wavelengths [2]. Quantum dot (QD) photodetector technology on the other hand holds great promise in enabling low cost (100-1000X lower), high performance, high resolution, large spectral response (UV to extended-SWIR) image sensors [3][4][5]. If this proves to be the case, QD Imagers will drive large SWIR imaging market growth by enabling new applications to emerge due to their orders of magnitude lower price combined with high performance as shown graphically in Figure 1.…”

Section: Introductionmentioning

confidence: 99%