Nonlinear and active metasurfaces

Andrea Alù

doi:10.1117/12.3028270

3 October 2024 Nonlinear and active metasurfaces

Andrea Alù

Proceedings Volume PC13110, Active Photonic Platforms (APP) 2024; PC131100L (2024) https://doi.org/10.1117/12.3028270
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

Metasurfaces have received significant attention in the context of non-linear optics, since they allow a dramatic boosting of light-matter interactions, and a corresponding enhancement of non-linear processes. In this talk, I will overview our recent research progress in the area of nonlinear and active metasurfaces, demonstrating opportunities for efficient frequency conversion processes and wave mixing, non-reciprocity, non-linear image processing, and lasing. The integration of 2D materials and polaritonic features, as well as optical pumping, enables the opportunity of accessing low-threshold lasing, polariton condensation and other exotic forms of light manipulation within an ultrathin platform, in which photonic and materials engineering play a pivotal synergistic role.

Conference Presentation

Citation Download Citation

Andrea Alù "Nonlinear and active metasurfaces", Proc. SPIE PC13110, Active Photonic Platforms (APP) 2024, PC131100L (3 October 2024); https://doi.org/10.1117/12.3028270

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