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集成一个高精度的冷生成积累腔与离子陷

Oliver Wipfli¹, Henry Fernandes Passagem¹, Christoph Fischer¹

¹Institute for Quantum Electronics, ETH Zürich, Otto-Stern Weg 1, 8093 Zürich, Switzerland.

The Review of scientific instruments

|December 8, 2023

概括

研究人员开发了一种高精度的半球光学腔,与射频保罗陷集成. 该系统运行在4K,并实现高内功率,增强稳定性,并使光学和无线电频率的联合捕获.

科学领域:

原子,分子和光学物理学
量子信息科学量子信息科学
实验物理实验物理学

背景情况:

光学腔对于增强光物质相互作用至关重要.
结合光学和射频捕获,为量子控制提供了新的可能性.
对于某些量子实验来说,高内电力是必不可少的,但会给稳定性带来挑战.

研究的目的:

为了实现高精度的半球光学腔,与无线电频率保罗陷集成.
为了研究系统在冷温度和高内腔功率的性能.
探索联合光学和无线电频率捕获的潜力.

主要方法:

一个半球形光学腔的建造,精度为13,000.
在光腔内集成一个射频保罗陷.
在大约4K的封闭循环冷静静电真空系统中运行.
功率增加,低振动安装,锁定机制和热效应的表征.

主要成果:

达到了13,000的精度,持续的间腔功率为10千瓦.
证明了2300的功率积累因子.
观察到的热自锁增强了在高内腔功率下1kHz以下的被动稳定性.
在反复的冷却过程中,确定了离子陷中心和空洞模式之间的可重复转移.

结论:

开发的系统成功地将高精度的光学腔与集成的离子陷相结合.
由于热自锁,该系统在高内腔功率下表现出增强的稳定性.
可重复的转移表明需要精确的对齐策略在低温,高功率的光学陷实验.

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