期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.173603
关键词
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资金
- Deutsche Forschungsgemeinschaft [SFB/TR 185]
- Bundesministerium fur Bildung und Forschung (BMBF, Verbund Q.com-Q)
- European Commission training network CCQED
- integrated project SIQS
- Bonn-Cologne Graduate School of Physics and Astronomy
We observe a sixfold Purcell broadening of the D-2 line of an optically trapped Rb-87 atom strongly coupled to a fiber cavity. Under external illumination by a near-resonant laser, up to 90% of the atom's fluorescence is emitted into the resonant cavity mode. The sub-Poissonian statistics of the cavity output and the Purcell enhancement of the atomic decay rate are confirmed by the observation of a strongly narrowed antibunching dip in the photon autocorrelation function. The photon leakage through the higher-transmission mirror of the single-sided resonator is the dominant contribution to the field decay (kappa approximate to 2 pi x 50 MHz), thus offering a high-bandwidth, fiber-coupled channel for photonic interfaces such as quantum memories and single-photon sources.
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