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Abstract: A scalable, multiplexed ion trap for quantum information processing isfabricated and tested. The trap design and fabrication process are optimizedfor scalability to small trap size and large numbers of interconnected traps,and for integration of control electronics and optics. Multiple traps withsimilar designs are tested with Cd+, Mg+, and Sr+ ions at room temperature andwith Sr+ at 6 K, with respective ion lifetimes of 90 s, 300 +- 30 s, 56 +- 6s, and 4.5 +- 1.1 hours. The motional heating rate for Mg+ at room temperatureand a trap frequency of 1.6 MHz is measured to be 7 +- 3 quanta permillisecond. For Sr+ at 6 K and 540 kHz the heating rate is measured to be 220+- 30 quanta per second.



Author: D.R. Leibrandt, J. Labaziewicz, R.J. Clark, I.L. Chuang, R.J. Epstein, C. Ospelkaus, J.H. Wesenberg, J.J. Bollinger, D. Leibfried

Source: https://arxiv.org/







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