期刊
PHYSICAL REVIEW LETTERS
卷 123, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.123.153603
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG) [SPP 1929]
- European Research Council under the European Union [335266]
- EPSRC [EP/R04340X/1]
- Marie-Skodowska-Curie Grant [796866-RydIons]
- Royal Society Wolfson Research Merit Award
- EU [731473]
- EPSRC [EP/R04340X/1] Funding Source: UKRI
We introduce a scheme to entangle Rydberg ions in a linear ion crystal, using the high electric polarizability of the Rydberg electronic states in combination with mutual Coulomb coupling of ions that establishes common modes of motion. After laser initialization of ions to a superposition of ground and Rydberg states, the entanglement operation is driven purely by applying a voltage pulse that shuttles the ion crystal back and forth. This operation can achieve entanglement on a sub-mu s timescale, more than 2 orders of magnitude faster than typical gate operations driven by continuous-wave lasers. Our analysis shows that the fidelity achieved with this protocol can exceed 99.9% with experimentally achievable parameters.
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