Abstract
has been identified as an attractive ion for quantum information processing due to the unique combination of its spin- nucleus and visible wavelength electronic transitions. Using a microgram source of radioactive material, we trap and laser cool the synthetic radioisotope of barium II in a radio-frequency ion trap. Using the same, single trapped atom, we measure the isotope shifts and hyperfine structure of the and electronic transitions that are needed for laser cooling, state preparation, and state detection of the clock-state hyperfine and optical qubits. We also report the electronic transition isotope shift for the rare and 132 barium nuclides, completing the spectroscopic characterization necessary for laser cooling all long-lived barium II isotopes.
- Received 16 June 2017
DOI:https://doi.org/10.1103/PhysRevLett.119.100501
© 2017 American Physical Society
Physics Subject Headings (PhySH)
Synopsis
Radioactive Qubits
Published 6 September 2017
The trapping and cooling of the radioactive isotope barium-133 offers up an attractive system for encoding quantum information.
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