Optical stimulated-Raman sideband spectroscopy of a single ${}^9$Be${}^{+}$ ion in a Penning trap

J. M. Cornejo, J. Brombacher, J. -A. Coenders +5

We demonstrate optical sideband spectroscopy of a single ${}^9$Be${}^{+}$ ion in a cryogenic 5 Tesla Penning trap using two-photon stimulated-Raman transitions between the two Zeeman sub…