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Quantum logic spectroscopy with ions in thermal motion
Physical Review X ( IF 11.6 ) Pub Date : 
D. Kienzler, Y. Wan, S. D. Erickson, J. J. Wu, A. C. Wilson, D. J. Wineland, and D. Leibfried

A mixed-species geometric phase gate has been proposed for implementing quantum logic spectroscopy on trapped ions, which combines probe and information transfer from the spectroscopy to the logic ion in a single pulse. We experimentally realize this method, show how it can be applied as a technique for identifying transitions in currently intractable atoms or molecules, demonstrate its reduced temperature sensitivity, and observe quantum-enhanced frequency sensitivity when it is applied to multi-ion chains. Potential applications include improved readout of trapped-ion clocks and simplified error syndrome measurements for quantum error correction.

中文翻译:

离子在热运动中的量子逻辑光谱

已经提出了一种混合物种几何相位门,用于对捕获的离子实施量子逻辑光谱学,该技术将探针和信息从光谱学的传递传递到逻辑离子中。我们通过实验实现了该方法,展示了如何将其用作识别当前难处理的原子或分子中的跃迁的技术,展示其降低的温度敏感性以及在应用于多离子链时观察到量子增强的频率敏感性。潜在的应用包括改善捕获离子时钟的读数,以及简化量子校正的误差校正子测量。
更新日期:2020-03-06
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