Optical metamaterials based on broken symmetries

Andrea Alù

doi:10.1117/12.2594909

1 August 2021 Optical metamaterials based on broken symmetries

Andrea Alù

Proceedings Volume 11795, Metamaterials, Metadevices, and Metasystems 2021; 117950X (2021) https://doi.org/10.1117/12.2594909
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

In this talk, I discuss our recent research activity in nano-optics, polaritonics and electromagnetics, showing how suitably tailored metamaterials open exciting venues to realize new light phenomena and devices. I discuss in particular the role of broken symmetries in tailoring nano-optical phenomena, including tunable diffraction-free wave propagation and topological phenomena based on tailored lattice symmetries, time-reversal symmetry breaking in optical metamaterials, and parity-time symmetric phenomena.

Conference Presentation

Citation Download Citation

Andrea Alù "Optical metamaterials based on broken symmetries", Proc. SPIE 11795, Metamaterials, Metadevices, and Metasystems 2021, 117950X (1 August 2021); https://doi.org/10.1117/12.2594909

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KEYWORDS

Optical metamaterials

Electromagnetism

Metamaterials

Nano optics

Wave propagation

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