标题： 高效的荧光收集和“tack”离子阱中的离子成像 显示英文标题

标题： Efficient fluorescence collection and ion imaging with the "tack" ion trap

摘要： 被囚禁的激光冷却离子会产生强烈的荧光。 检测这种荧光可以实现对基于囚禁原子的量子比特量子态的高效测量。 收集大量光子是有利的，这可以使检测更快且更可靠。 此外，高效的荧光收集可以提高远程离子纠缠和量子门的速度和保真度。 在这里，我们展示了一种新颖的离子阱设计，该设计将金属球面镜作为阱本身的整体部分，即其射频电极。 镜面几何结构可实现高达35%的立体角收集被囚禁离子的荧光；我们测得25%的有效立体角，可能受限于镜面表面的缺陷。 我们还研究了由镜面形成的单个离子图像的特性，并应用像差校正。 由于设计简单，这种阱结构可以适应微制造，并集成到更复杂的阱架构中。 显示英文摘要

摘要： Trapped, laser-cooled ions produce intense fluorescence. Detecting this fluorescence enables efficient measurement of quantum state of qubits based on trapped atoms. It is desirable to collect a large fraction of the photons to make the detection faster and more reliable. Additionally, efficient fluorescence collection can improve speed and fidelity of remote ion entanglement and quantum gates. Here we show a novel ion trap design that incorporates metallic spherical mirror as the integral part of the trap itself, being its RF electrode. The mirror geometry enables up to 35% solid angle collection of trapped ion fluorescence; we measure a 25% effective solid angle, likely limited by imperfections of the mirror surface. We also study properties of the images of single ions formed by the mirror and apply aberration correction. Owing to the simplicity of its design, this trap structure can be adapted for micro-fabrication and integration into more complex trap architectures.