AI 中文总结
本研究针对中性原子量子平台中杂散电场的新来源，采用冷原子系综光电离补偿法，结合外部电极消除残余电场，为提升相关量子技术性能提供了实用方案。
AI 中文摘要
光镊阵列中的中性原子是量子计算和量子模拟极具潜力的平台，其运行依赖对里德伯激发的精确控制，而该控制对背景电场高度敏感。本文发现了玻璃真空室的增透膜层内俘获电荷产生的此前被忽视的杂散电场源。与通过紫外光诱导解吸去除表面电荷的常规方法不同，我们通过冷原子系综的光电离产生额外电荷来补偿这些被束缚的电荷。我们通过原子阵列中的里德伯激发光谱验证了杂散电场的抑制效果，并进一步证实，借助外部电极，真空室内的残余电场被有效消除。本研究识别并缓解了此前未被认识到的残余电场源，为提升中性原子量子处理器、其他基于里德伯的量子技术以及表面敏感原子系统的性能提供了实用解决方案。
英文摘要
Neurtal atoms in optical tweezer arrays constitute a highly promising platform for quantum computing and quantum simulation. Their operation relies on precise control of the Rydberg excitation, which is highly sensitive to background electric fields. Here, we identify a previously overlooked source of stray electric fields arising from trapped charges within the antireflection coating layers of glass vacuum cells. In contrast to the conventional approach of removing surface charges through ultraviolet-light-induced desorption, we compensate these clamped charges by generating additional charges via photo-ionization of a cold atomic ensemble. We verify the resulting suppression of stray electric fields through Rydberg excitation spectroscopy in an atomic array and further confirm that the residual electric field inside the vacuum cell is effectively eradicated with the aid of external electrodes. Our work identifies and mitigates a previously unrecognized source of residual electric field, providing a practical solution for improving the performance of neutral atomic quantum processors and other Rydberg-based quantum technologies, as well as surface-sensitive atomic systems.
Comments6+8 pages, 5+8 figures, comments are welcome
