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Optical switching

All-optical polarization switching in ferroelectrics

Ultrafast optical experiments using narrow-bandwidth tunable IR laser pulses enable nonvolatile all-optical switching of ferroelectric polarization in BaTiO3 in the epsilon-near-zero regime.

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Fig. 1: Experimental demonstration of ultrafast IR-laser driven ferroelectric switching in BaTiO3.

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Correspondence to Vasily V. Temnov.

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Temnov, V.V., Vavassori, P. All-optical polarization switching in ferroelectrics. Nat. Photon. 18, 529–530 (2024). https://doi.org/10.1038/s41566-024-01452-9

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