Quantum control of 88Sr+ in a miniature linear Paul trap

N. Akerman*, Y. Glickman, S. Kotler, A. Keselman, R. Ozeri

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

We report on the construction and characterization of an apparatus for quantum information experiments using 88Sr+ ions. A miniature linear radio-frequency (rf) Paul trap was designed and built. Trap frequencies above 1 MHz in all directions are obtained with 50 V on the trap end-caps and less than 1 W of rf power. We encode a quantum bit (qubit) in the two spin states of the S1/2 electronic ground-state of the ion. We constructed all the necessary laser sources for laser cooling and full coherent manipulation of the ions' external and internal states. Oscillating magnetic fields are used for coherent spin rotations. Highfidelity readout as well as a coherence time of 2.5 ms are demonstrated. Following resolved sideband cooling the average axial vibrational quanta of a single trapped ion isn̄= 0.05 and a heating rate of n̄ = 0.016 ms-1 is measured.

Original languageAmerican English
Pages (from-to)1167-1174
Number of pages8
JournalApplied Physics B: Lasers and Optics
Volume107
Issue number4
DOIs
StatePublished - Jun 2012
Externally publishedYes

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