Manipulation and detection of a trapped Yb+ hyperfine qubit

  title={Manipulation and detection of a trapped Yb+ hyperfine qubit},
  author={S. Olmschenk and K. C. Younge and D. L. Moehring and D. Matsukevich and P. Maunz and C. Monroe},
  journal={Physical Review A},
  • S. Olmschenk, K. C. Younge, +3 authors C. Monroe
  • Published 2007
  • Physics
  • Physical Review A
  • We demonstrate the use of trapped ytterbium ions as quantum bits for quantum information processing. We implement fast, efficient state preparation and state detection of the first-order magnetic field-insensitive hyperfine levels of $^{171}\mathrm{Yb}^{+}$, with a measured coherence time of $2.5\phantom{\rule{0.3em}{0ex}}\mathrm{s}$. The high efficiency and high fidelity of these operations is accomplished through the stabilization and frequency modulation of relevant laser sources. 
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