Robotic Vectorial Field Alignment for Spin‐Based Quantum Sensors

Joe A. Smith*, Dandan Zhang, Krishna C. Balram*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review


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.
Original languageEnglish
Article number2304449
JournalAdvanced Science
Issue number2
Early online date17 Nov 2023
Publication statusE-pub ahead of print - 17 Nov 2023

Bibliographical note

Funding Information:
The authors thank Jorge Monroy‐Ruz for building the NV center confocal microscope used in this experiment. The authors thank Jorge Monroy‐Ruz, Hao‐Cheng Weng, Wyatt Vine, and John G. Rarity for useful discussions. The authors acknowledge funding support from the Engineering and Physical Sciences Research Council (EPSRC) grant QC:SCALE EP/W006685/1.

Publisher Copyright:
© 2023 The Authors. Advanced Science published by Wiley-VCH GmbH.


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