使用碱土金属离子和双STIRAP过程的有效量子比特检测
Efficient qubit detection using alkali earth metal ions and a double STIRAP process
摘要：
我们提出了一个方案，用于强有力的和有效的投影测量的量子比特组成的两个磁子能级的电子基态的碱土金属离子。该方案是基于两个受激拉曼绝热通道（STIRAP）涉及四个部分相干的激光场。我们展示了效率如何依赖于实验相关参数：拉比频率，脉冲宽度，激光线宽，单光子和双光子失谐，剩余激光功率，激光偏振和离子运动。
英文摘要：
We present a scheme for robust and efficient projection measurement of a qubit consisting of the two magnetic sublevels in the electronic ground state of alkali earth metal ions. The scheme is based on two stimulated Raman adiabatic passages (STIRAP) involving four partially coherent laser fields. We show how the efficiency depends on experimentally relevant parameters: Rabi frequencies, pulse widths, laser linewidths, one- and two-photon detunings, residual laser power, laser polarization and ion motion.
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