Robotic Vectorial Field Alignment for Spin-Based Quantum Sensors.
Robotic Vectorial Field Alignment for Spin-Based Quantum Sensors.
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DOI：
10.1002/advs.202304449
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发表时间：
2024-01
期刊：
影响因子：
15.1
通讯作者：
Balram, Krishna C.
中科院分区：
文献类型：
--
作者：
Smith, Joe A.;Zhang, Dandan;Balram, Krishna C.
开发实用的量子技术将需要以稳健和可重复的方式精巧地操纵脆弱的系统。随着量子技术走向现实世界的应用，从生物传感到太空通信，不断增加的实验复杂性带来了一些限制，这些限制可以通过引入新技术来缓解。机器人技术在实现日益智能、自主和高度灵活的机器方面取得了巨大的进步。在这里，一个配备了磁铁的机械臂展示了在标准技术无法实现的挑战性条件下敏化NV中心量子磁强计。矢量磁场以1°的角度和0.1mT的幅度精度产生，并在受限的物理环境中确定单个随机对准的自旋传感器的方向。这项工作开启了在受限环境中跨多个量子自由度集成机器人的前景，允许在量子技术应用中提高原型速度、控制和健壮性。机械臂由一组连杆组成，这些连杆允许末端刀具的任意定位和方向。这项研究表明，这种技术可以通过定位永磁体来高精度地对准基于矢量自旋的量子传感器。所展示的灵活性对于物理受限环境中新兴的量子传感应用非常重要。
Developing practical quantum technologies will require the exquisite manipulation of fragile systems in a robust and repeatable way. As quantum technologies move toward real world applications, from biological sensing to communication in space, increasing experimental complexity introduces constraints that can be alleviated by the introduction of new technologies. Robotics has shown tremendous progress in realizing increasingly smart, autonomous, and highly dexterous machines. Here, a robotic arm equipped with a magnet is demonstrated to sensitize an NV center quantum magnetometer in challenging conditions unachievable with standard techniques. Vector magnetic fields are generated with 1° angular and 0.1 mT amplitude accuracy and determine the orientation of a single stochastically‐aligned spin‐based sensor in a constrained physical environment. This work opens up the prospect of integrating robotics across many quantum degrees of freedom in constrained settings, allowing for increased prototyping speed, control, and robustness in quantum technology applications. Robotic arms consist of sets of links that allow arbitrary positioning and orientation of an end tool. This study shows such a technique can be used to align vector spin‐based quantum sensors with high accuracy by positioning a permanent magnet. The flexibility demonstrated is important for emerging quantum sensing applications in physically constrained environments.
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