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PreprintCC BY 4.0arXiv

A metastable state in Yb+ with lifetime greater than 10 minutes

  • Hassan Farhat
  • William Liu
  • Wesley C. Campbell
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Abstract

We find through direct, time-domain measurement of trapped Yb+ ions that the excited 3[11/2]9/2o state has a collision-free lifetime of 17.8(6) min, long enough for use in atomic clockwork or quantum information processing. We locate and benchmark a broad ``repump'' transition at 701 nm that readily transfers population back into the Doppler cooling cycle with the ground state, which may allow for quantum nondemolition measurement of sub-structure in the metastable manifold. Using a bi-stable Coulomb-crystal manometer, we find that the collisional quenching of this metastable 3[11/2]9/2o manifold by background gas is more efficient than for 2F7/2o, but nonetheless we observe an average lifetime exceeding 10 minutes at the base pressure of our apparatus.

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Cite

BibTeXRIS
BibTeX
@misc{farhat2026metastable,
  title = {{A metastable state in $\mathrmYb^+$ with lifetime greater than 10 minutes}},
  author = {Hassan Farhat and William Liu and Wesley C. Campbell},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.09523},
  eprint = {2609.09523},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.09523},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - A metastable state in Yb^+ with lifetime greater than 10 minutes
AU  - Hassan Farhat
AU  - William Liu
AU  - Wesley C. Campbell
PY  - 2026
DA  - 2026/09/08
PB  - arXiv
DO  - 10.48550/arxiv.2609.09523
UR  - https://arxiv.org/abs/2609.09523
AB  - We find through direct, time-domain measurement of trapped Yb^+ ions that the excited ^3[11/2]_9/2^o state has a collision-free lifetime of 17.8(6) min, long enough for use in atomic clockwork or quantum information processing. We locate and benchmark a broad ``repump'' transition at 701 nm that readily transfers population back into the Doppler cooling cycle with the ground state, which may allow for quantum nondemolition measurement of sub-structure in the metastable manifold. Using a bi-stable Coulomb-crystal manometer, we find that the collisional quenching of this metastable ^3[11/2]_9/2^o manifold by background gas is more efficient than for ^2F_7/2^o, but nonetheless we observe an average lifetime exceeding 10 minutes at the base pressure of our apparatus.
ER  -