Proposal for a multi-ion optical clock with hundreds of ions
physics.atom-ph, quant-ph
Submitted: 2026-10-11
Updated: 2026-10-11
Code: https://github.com/nist-ionstorage/electrode
Sources
- A multi-ion optical clock with $\mathbf{5 \times 10^{-19}}$ uncertainty
- Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$
- Multiqubit GHZ state preparation with $^{171}\text{Yb}^+$ ions for frequency standards
- Helios: A 98-qubit trapped-ion quantum computer
- Direct comparison of multi-ion optical clocks based on $^{40}$Ca$^+$ and $^{88}$Sr$^+$
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