We describe the design, commissioning, and operation of an ultra-low-vibration closed-cycle cryogenic ion trap apparatus. One hundred lines for low-frequency signals and eight microwave/radio frequency coaxial feed-lines offer the possibility of implementing a small-scale ion-trap quantum processor or simulator. With all supply cables attached, more than 1.3 W of cooling power at 5 K is still available for absorbing energy from electrical pulses introduced to control ions. The trap itself is isolated from vibrations induced by the cold head using a helium exchange gas interface. The performance of the vibration isolation system has been characterized using a Michelson interferometer, finding residual vibration amplitudes on the order of 10 nm rms. Trapping of 9Be+ ions has been demonstrated using a combination of laser ablation and photoionization.
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April 2021
Research Article|
April 13 2021
Ultra-low-vibration closed-cycle cryogenic surface-electrode ion trap apparatus
T. Dubielzig;
T. Dubielzig
a)
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
a)Author to whom correspondence should be addressed: dubielzig@iqo.uni-hannover.de
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S. Halama
;
S. Halama
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
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H. Hahn
;
H. Hahn
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
2
Physikalisch-Technische Bundesanstalt
, Bundesallee 100, 38116 Braunschweig, Germany
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G. Zarantonello
;
G. Zarantonello
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
2
Physikalisch-Technische Bundesanstalt
, Bundesallee 100, 38116 Braunschweig, Germany
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M. Niemann
;
M. Niemann
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
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A. Bautista-Salvador
;
A. Bautista-Salvador
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
2
Physikalisch-Technische Bundesanstalt
, Bundesallee 100, 38116 Braunschweig, Germany
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C. Ospelkaus
C. Ospelkaus
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Welfengarten 1, 30167 Hannover, Germany
2
Physikalisch-Technische Bundesanstalt
, Bundesallee 100, 38116 Braunschweig, Germany
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a)Author to whom correspondence should be addressed: dubielzig@iqo.uni-hannover.de
Rev. Sci. Instrum. 92, 043201 (2021)
Article history
Received:
August 07 2020
Accepted:
April 01 2021
Citation
T. Dubielzig, S. Halama, H. Hahn, G. Zarantonello, M. Niemann, A. Bautista-Salvador, C. Ospelkaus; Ultra-low-vibration closed-cycle cryogenic surface-electrode ion trap apparatus. Rev. Sci. Instrum. 1 April 2021; 92 (4): 043201. https://doi.org/10.1063/5.0024423
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