利用微波和近运动振荡磁场梯度实现囚禁离子自旋 - 运动耦合
Trapped-Ion Spin-Motion Coupling with Microwaves and a Near-Motional Oscillating Magnetic Field Gradient.
作者信息
Srinivas R, Burd S C, Sutherland R T, Wilson A C, Wineland D J, Leibfried D, Allcock D T C, Slichter D H
机构信息
Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA.
Department of Physics, University of Colorado, Boulder, Colorado 80309, USA.
出版信息
Phys Rev Lett. 2019 Apr 26;122(16):163201. doi: 10.1103/PhysRevLett.122.163201.
Abstract
We present a new method of spin-motion coupling for trapped ions using microwaves and a magnetic field gradient oscillating close to the ions' motional frequency. We demonstrate and characterize this coupling experimentally using a single ion in a surface-electrode trap that incorporates current-carrying electrodes to generate the microwave field and the oscillating magnetic field gradient. Using this method, we perform resolved-sideband cooling of a single motional mode to its ground state.
摘要
我们提出了一种用于捕获离子的自旋 - 运动耦合新方法，该方法利用微波和一个在接近离子运动频率处振荡的磁场梯度。我们在一个表面电极阱中使用单个离子，通过实验演示并表征了这种耦合，该表面电极阱包含载流电极以产生微波场和振荡磁场梯度。利用这种方法，我们将单个运动模式冷却到其基态的分辨边带冷却状态。
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