期刊
PHYSICAL REVIEW A
卷 87, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.87.013437
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资金
- IARPA
- ARO [EAO139840]
- ONR
- DARPA
- Sandia National Laboratories
- NIST Quantum Information Program
Microwave near-field quantum control of spin and motional degrees of freedom of Mg-25(+) ions can be used to generate two-ion entanglement, as recently demonstrated in Ospelkaus et al. [Nature 476, 181 (2011)]. Here, we describe additional details of the setup and calibration procedures for these experiments. We discuss the design and characteristics of the surface-electrode trap and the microwave system and compare experimental measurements of the microwave near fields with numerical simulations. Additionally, we present a method that utilizes oscillatingmagnetic-field gradients to detect micromotion induced by the ponderomotive radio-frequency potential in linear traps. Finally, we discuss the present limitations of microwave-driven two-ion entangling gates in our system. DOI: 10.1103/PhysRevA.87.013437
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