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Stable long-term coupling of a single ion to a cavity mode
journal contribution
posted on 2023-06-08, 06:10 authored by Matthias KellerMatthias Keller, B Lange, K Hayasaka, W Lange, H WaltherWith a single trapped calcium ion, strongly localized in an optical resonator, we have realized a cavity-QED system operating under continuous coupling conditions. Ion and field interact via cavity-assisted Raman pulses, applied between the S_1/2 ground state and the metastable D_3/2 state. We have studied the long-term stability of this interaction at the single-photon level by monitoring the emission from the cavity output and analysing its fluctuations on time-scales up to 10^3 s. The small Allan variances we find confirm that ion and cavity mode are continuously coupled in a deterministically controlled way. Applications include the generation of single photons on demand and an atom-photon interface for optical quantum networks.
History
Publication status
- Published
Journal
Journal of Modern OpticsISSN
0950-0340External DOI
Issue
11Volume
54Page range
1607-1617Department affiliated with
- Physics and Astronomy Publications
Notes
The paper demonstrates single-photon production under stable conditions over very long times. M.K. was the principal scientist performing the major parts of laboratory work, including design and construction of essential equipment .W.L. was the team leader. The remaining authors contributed to the laser system (K.H., B.L.) and financial support (H.W).Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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