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arXiv · 1204.4354

Magic wavelengths for lattice trapped Rubidium four-level active optical clock

Xiaorun Zang·Tonggang Zhang·Jingbiao Chen
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Abstract

After pumped from $5s_{1/2}$ ground state to $6p_{1/2}$ state, the population inversion between $6s_{1/2}$ and $5p_{1/2,3/2}$ will be established for Rubidium four-level active optical clock. In this paper, we calculate AC Stark shift due to lattice trapping laser which dominates the frequency shift of clock transition in lattice trapped Rubidium four-level active optical clock. Several magic wavelengths are found that can form desired optical lattice trapping potential. By choosing a proper intensity and linewidth of trapping laser, the fractional frequency uncertainty of clock transition due to AC Stark shift of trapping laser, is estimated to be below 10^-18

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Xiaorun Zang, Tonggang Zhang, Jingbiao Chen. 2012-07-18. Magic wavelengths for lattice trapped Rubidium four-level active optical clock. https://doi.org/10.1088/0256-307x%2F29%2F9%2F090601

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