Qubit ZooFirst comprehensive characterization of the ¹⁷¹Yb⁺ hyperfine qubit, demonstrating state preparation, single-qubit gates via microwave radiation, and state detection via fluorescence. Establishes ¹⁷¹Yb⁺ as a leading trapped-ion qubit platform, now used by Quantinuum and IonQ.
Key Results
- Qubit states: |0⟩ = ²S₁/₂ |F=0, mF=0⟩, |1⟩ = |F=1, mF=0⟩ (12.6 GHz splitting)
- State preparation fidelity: >99.7%
- Detection fidelity: 98.6% (369 nm fluorescence)
- Coherence time T₂ > 1.5 s (spin-echo)
- First-order magnetic field insensitive (clock states)
Links
- Journal: Physical Review A
- arXiv: 0708.0657