Nonlinear metasurfaces for exotic control of light

Michele Cotrufo; Andrea Alù

doi:10.1117/12.2658383

17 March 2023 Nonlinear metasurfaces for exotic control of light

Michele Cotrufo, Andrea Alù

Proceedings Volume PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII; PC1243101 (2023) https://doi.org/10.1117/12.2658383
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Optical Metasurfaces – planarized patterned devices with thickness smaller than or comparable to the operational wavelength – can engineer the light wavefront beyond the limitations of natural materials, and they offer novel opportunities for optical technologies. I will discuss our recent efforts in the design, optimization, fabrication and characterization of dielectric and metallic metasurfaces enabling different nonlinear functionalities, such as nonreciprocal wave propagation, power limiters, efficient SHG generation, and beam steering. I will discuss the main potential and challenges of current approaches and provide an outlook on possible future directions.

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Citation Download Citation

Michele Cotrufo and Andrea Alù "Nonlinear metasurfaces for exotic control of light", Proc. SPIE PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, PC1243101 (17 March 2023); https://doi.org/10.1117/12.2658383

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