Robust Two-Qubit Geometric Phase Gates using Amplitude and Frequency Ramping

arXiv:2511.14364 · quant-ph, physics.atom-ph · Submitted 2025-11-18 · Read on arXiv

quant-ph, physics.atom-ph

Submitted: 2025-11-18

Updated: 2026-10-09

Comments: Published version. 9 pages, 4 figures, plus 10 pages of Supplemental Material

Journal ref: Phys. Rev. Lett. 137, 080602 (2026)

DOI: 10.1103/x9b9-5d78

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 1× in this paper · explained in 9 episodes
• Entanglement — 1× in this paper · explained in 4 episodes
• Fidelity — 1× in this paper · explained in 2 episodes

Sources

• Simulating nonlinear spin models in an ion trap
• Deterministic entanglement of ions in thermal states of motion
• High fidelity quantum gates of trapped ions mediated by a dissipative bus mode
• Helios: A 98-qubit trapped-ion quantum computer
• Dual-Species, Multi-Qubit Logic Primitives for Ca+/Sr+ Trapped-Ion Crystals
• Trapped-ion two-qubit gates with >99.99% fidelity without ground-state cooling

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