Two Lu(+) optical frequency references achieve fractional uncertainties near 1×10⁻¹⁹, enabling precise comparison at the 5.7×10⁻¹⁹ level.
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Two Lu(+) optical frequency references achieve fractional uncertainties near 1×10⁻¹⁹, enabling precise comparison at the 5.7×10⁻¹⁹ level.
Double-microwave dressing suppresses inelastic losses in ultracold KRb molecules by over 10,000-fold, enabling stable quantum gases with tunable dipolar interactions.
Embedding 167 Er dopants in yttrium orthosilicate within a cavity achieves 91% single-shot optical readout fidelity of nuclear spin qubits.
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