4.6 Article

Single qubit manipulation in a microfabricated surface electrode ion trap

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NEW JOURNAL OF PHYSICS
卷 15, 期 -, 页码 -

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IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/15/9/093018

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  1. Office of the Director of National Intelligence (ODNI), Intelligence Advanced Research Projects Activity (IARPA), through the Army Research Office
  2. US Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000. SAND2011-0439P]

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We trap individual Yb-171(+) ions in a surface trap microfabricated on a silicon substrate, and demonstrate a complete set of high fidelity single qubit operations for the hyperfine qubit. Trapping times exceeding 20 min without laser cooling, and heating rates as low as 0.8 quanta ms(-1), indicate stable trapping conditions in these microtraps. A coherence time of more than 1 s, high fidelity qubit state detection and single qubit rotations are demonstrated. The observation of low heating rates and demonstration of high quality single qubit gates at room temperature are critical steps toward scalable quantum information processing in microfabricated surface traps.

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