期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.180501
关键词
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资金
- U.K. Engineering and Physical Sciences Research Council [EP/G007276/1]
- U.K. Quantum Technology hub for Networked Quantum Information Technologies [EP/M013243/1]
- U.K. Quantum Technology hub for Sensors and Metrology [EP/M013294/1]
- European Commission's Seventh Framework Programme [270843, FP7/2007-2013]
- Army Research Laboratory [W911NF-12-2-0072]
- U.S. Army Research Office [W911NF-14-2-0106]
- European Research Council
- University of Sussex
- Quantum Systems Engineering Skills and Training Hub at Imperial College London - EPSRC [EP/P510257/1]
- EPSRC [EP/R02930X/1, EP/G007276/1, EP/E011136/1, EP/M013243/1] Funding Source: UKRI
Constructing a large-scale ion trap quantum processor will require entangling gate operations that are robust in the presence of noise and experimental imperfection. We experimentally demonstrate how a new type of Molmer-Sorensen gate protects against infidelity caused by heating of the motional mode used during the gate. Furthermore, we show how the same technique simultaneously provides significant protection against slow fluctuations and mis-sets in the secular frequency. Since this parameter sensitivity is worsened in cases where the ions are not ground-state cooled, our method provides a path towards relaxing ion cooling requirements in practical realizations of quantum computing and simulation.
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