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arXiv:1812.02445 · Applied Physics B

Multilayer ion trap with three-dimensional microwave circuitry for scalable quantum logic applications

H. Hahn, Giorgio Zarantonello, A. Bautista-Salvador, M. Wahnschaffe, M. Kohnen, J. Schoebel, P. O. Schmidt, C. Ospelkaus

Published Jul 31, 2019• 22 citations
arXivHTMLPDF
DOI
10.1007/s00340-019-7265-1

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We present a novel ion trap fabrication method enabling the realization of multilayer ion traps scalable to an in principle arbitrary number of metal-dielectric levels. We benchmark our method by fabricating a multilayer ion trap with integrated three-dimensional microwave circuitry. We demonstrate ion trapping and microwave control of the hyperfine states of a laser cooled 9Be+ ion held at a distance of 35 above the trap surface. This method can be used to implement large-scale ion trap arrays for scalable quantum information processing and quantum simulation.