Fast shuttling of trapped ion with invariant quantum control

具有不变量子控制的捕获离子快速穿梭

• 批准号: 2607793
• 金额: --
• 依托单位: Imperial College London
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2021
• 资助国家: 英国
• 起止时间: 2021 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2607793
• 关键词: Fast; shuttling; trapped; ion; invariant

The ability to shuttle ions between different spatial regions in a structured trapping geometryis a central requisite for making trapped ions a scalable quantum technology. Since quantum logic gates rely onthe motional state of ions to be sufficiently close to the ground state, it is important that a shuttling protocoldoes not leave an ion in an excited motional state. This can be achieved for example with adiabatic protocols,but the inherent slowness of such protocols is conflicting with the necessity to perform operations within thelimitations imposed by decoherence

在结构化的捕获几何结构中在不同空间区域之间穿梭离子的能力是使捕获离子成为可扩展的量子技术的核心必要条件。由于量子逻辑门依赖于离子的运动状态足够接近基态，因此穿梭协议不会使离子处于激发运动状态是很重要的。这可以例如利用绝热协议来实现，但是这样的协议的固有缓慢性与在由去相干强加的限制内执行操作的必要性相冲突