A cavity-enhanced SPDC source with two nonlinear upconversion stages enables room-temperature, silicon-detector hyperspectral imaging from 2.9 to 3.6 micrometers at fW-level photon flux.
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Hyper-spectral Imaging with Up-Converted Mid-Infrared Single-Photons
A cavity-enhanced SPDC source with two nonlinear upconversion stages enables room-temperature, silicon-detector hyperspectral imaging from 2.9 to 3.6 micrometers at fW-level photon flux.