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METAMATERIALS

Asymmetric control of light at the nanoscale

Breaking reciprocity at the nanoscale can produce directional formation of images due to the asymmetric nonlinear optical response of subwavelength anisotropic resonators. The self-induced passive non-reciprocity has advantages compared to magnet or time modulation approaches and may impact both classical and quantum photonics.

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Fig. 1: Asymmetric imaging generation with nonlinear anisotropic dielectric metasurfaces.

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Correspondence to Christos Argyropoulos.

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Argyropoulos, C. Asymmetric control of light at the nanoscale. Nat. Photon. 16, 556–557 (2022). https://doi.org/10.1038/s41566-022-01045-4

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