Demonstrates lithium niobate modulators operating at 493 nm, enabling high-speed beam control for ion qubits.
Ion-based quantum systems need scalable visible-light control. We demonstrate thin-film lithium niobate modulators operating at 493 nm with more than 50 GHz bandwidth, enabling integrated, high-speed beam control for hyperfine transitions in barium ion qubits.
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Achuthan et al. (2025) studied this question.
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