A single germanium photodiode uses optoelectronic chromatic dispersion to generate multi-frequency RF features that machine-learning models convert into spectral reconstructions with 0.178 nm accuracy for single wavelengths in the C- and L-bands.
Nonlinear self-calibrated spectrometer with single gese-inse heterojunction device.Science Advances, 10(20):eadn6028
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Optoelectronic Chromatic Dispersion in a Single Photodiode for Machine-Learning-Based Computational Spectroscopy
A single germanium photodiode uses optoelectronic chromatic dispersion to generate multi-frequency RF features that machine-learning models convert into spectral reconstructions with 0.178 nm accuracy for single wavelengths in the C- and L-bands.