Abstract
We present the characterization of a prototype surface-electrode trap as a first step towards the realization of a compact, single-ion optical clock based on Yb\(^+\). The use of a SE trap will be a key factor to benefit from clean-room fabrication techniques and technological advances made in the field of quantum information processing. We successfully demonstrated trapping at a 500 \({\upmu }\)m electrodes distance and characterized our trap in terms of lifetime and heating rate. This is to our knowledge the highest distance achieved for heating rates measurements in SE traps. This simple 5-wire design realized with simple materials yields a heating rate of \(8\times 10^3\) phonons/s. We provide an analysis of the performances of this prototype trap for optical frequency metrology.
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Acknowledgements
The authors would like to thank Alexis Mosset and Fabrice Devaux for letting us borrow the EMCCD used for heating rate measurements with ion pictures. We also thank Philippe Abbé, Valérie Soumann and Yannick Gruson for their technical help and support with the trapping chip and its electrical connections. We thank Rodolphe Boudot for his thorough reading of the manuscript. The authors thank the MIMENTO technological facility of FEMTO-ST, part of the RENATECH network, for providing technical support.
Funding
This work has been supported by the Agence Nationale de la Recherche (ANR-14-CE26-0031-01 MITICC, ANR-10-LABX-48-01 First-TF, and ANR-11-EQPX-0033 Oscillator-IMP), the Région Bourgogne Franche-Comté, the Centre National d’Études Spatiales and the EIPHI Graduate School (contract “ANR-17-EURE-0002”).
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T. Lauprêtre and C. Lacroûte wrote the main manuscript text. T. Lauprêtre was involved in all experimental works and results analysis, and prepared the figures. B. Achi was involved in the data taking, results analysis, and setup of the experiment automated control. L. Groult was involved in setting up the ion trap and optical bench and in data taking for trap lifetime measurements. E. Carry helped setting up the laser frequency locks and supervised Bachir Achi for network control of the instruments. Y. Kersalé supervised L. Groult PhD and was involved in the experiment preparation. M. Delehaye was involved in setting up the ion trap and optical bench, in the data taking and results analysis. M. Abdel Hafiz was involved in the data taking, results analysis, and setup of the experiment automated control. C. Lacroûte was involved in setting up the ion trap and optical bench, in the data taking and results analysis. All authors reviewed the manuscript.
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Lauprêtre, T., Achi, B., Groult, L. et al. Heating rate measurement and characterization of a prototype surface-electrode trap for optical frequency metrology. Appl. Phys. B 129, 37 (2023). https://doi.org/10.1007/s00340-023-07982-4
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DOI: https://doi.org/10.1007/s00340-023-07982-4