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Publication Citation: Laser Cooling Transitions in Atomic Erbium

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Author(s): H Ban; M Jacka; James L. Hanssen; Joseph Reader; Jabez J. McClelland;
Title: Laser Cooling Transitions in Atomic Erbium
Published: April 18, 2005
Abstract: We discuss laser cooling opportunities in atomic erbium, identifying five J {rarr} J + 1 transitions from the 4f126s2 3H6 ground state that are accessible to common visible and near-infrared continuous-wave tunable lasers. We present lifetime measurements for the 4f11(4Io15/2)5d5/26s2 (15/2, 5/2)7o state at 11888 cm-1 and the 4f11(4Io 13/2)5d3/26s2 (13/2, 5/2)7o state at 15847 cm-1 showing values of 20 {plus or minus} 4 υs and 5.6 {plus or minus} 1.4 υs, respectively. We also present a calculated value of 13 {plus or minus} 7 s-1 for the transition rate from the 4f11(4Io 15/2)5d3/26s2 (15/2, 3/2)7o state at 7697 cm-1 to the ground state, based on scaled Hartree-Fock energy parameters. Laser cooling on these transitions in combination with a strong, fast (5.8 ns) laser cooling transition at 401 nm, suggest new opportunities for narrowband laser cooling of a large-magnetic moment atom, with possible applications in quantum information processing, high-precision atomic clocks, quantum degenerate gases, and deterministic single-atom doping of materials.
Citation: Optics Express
Volume: 13
Issue: 8
Pages: pp. 3185 - 3195
Keywords: erbium,laser cooling,lifetimes
Research Areas: Atomic Spectroscopy
PDF version: PDF Document Click here to retrieve PDF version of paper (902KB)