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We present a method for photon-counting sensing with three-dimensional (3-D) integral imaging for object recognition using independent component analysis (ICA). A lenslet array is used to capture multiple perspective images of a 3-D scene projected onto an image sensor. Photon-counting images of the captured elemental images are generated using a Poisson distribution. A kurtosis-maximization-based...
We review near-infrared detectors in germanium grown on silicon. We discuss pn and pin photodiodes based on Ge deposited on Si by a number of techniques, including thermal evaporation; the optical and electronic characterization of Ge-on-Si heterostructures using various approaches to minimize the density of defects; and compatibility issues with standard fabrication processes for Si electronics....
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