Abstract
A novel scheme of visible-detection method for near-infrared optical vortices, based on asymmetrically engineered nonlinear photonic crystals is theoretically proposed and experimentally demonstrated by Yanqing Lu, Wei Chen, Yuan Liu, and co-workers (see article number 2101098). This work provides a large-broadband wavelength, low energy loss, and multi-processing channels platform for the visible detection of near-infrared optical vortices, promising to be applied in optical communication systems.
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