Reducing the footprint of optical spectrometers is a critical requirement for many in-field applications. Now, a single black phosphorus photodetector with a wavelength-scale size enables mid-infrared computational spectrometry.
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Durán, V. On-chip ultra-compact solution. Nat. Photon. 15, 553–554 (2021). https://doi.org/10.1038/s41566-021-00850-7
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DOI: https://doi.org/10.1038/s41566-021-00850-7