We study multiphoton photoluminescence from several types of nonlinear resonant metaphotonic structures. We develop a general theoretical approach to describe such nonlinear effects and confirm our predictions in experiments with perovskite metasurfaces and AlGaAs nanoantennas.
Bibliographical noteFunding Information:
Acknowledgment. This work was supported by the Russian Science Foundation (project № 21-73-20189)
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ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Mechanics of Materials