Electro-optic modulators based on epitaxial barium titanate integrated on silicon can reach speeds up to 50 Gbit s–1.
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Li, M., Tang, H.X. Strong Pockels materials. Nature Mater 18, 9–11 (2019). https://doi.org/10.1038/s41563-018-0259-2
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DOI: https://doi.org/10.1038/s41563-018-0259-2
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