Vacuum radiative level shift and spontaneous-emission linewidth of a atom in an optical resonator

The center frequency and linewidth of the 1S0-1P1 resonance line of barium atoms placed near the center of a concentric optical resonator are studied as functions of cavity tuning. Shifts in the transition center frequency, due to radiative level shifts, and changes in linewidth, due to enhanced and...

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Veröffentlicht in:	Physical review letters 1987-12, Vol.59 (23), p.2623-2626
Hauptverfasser:	HEINZEN, D. J, FELD, M. S
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic and molecular physics Atomic properties and interactions with photons Exact sciences and technology Intensities and shapes of atomic spectral lines Physics
Online-Zugang:	Volltext
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Zusammenfassung:	The center frequency and linewidth of the 1S0-1P1 resonance line of barium atoms placed near the center of a concentric optical resonator are studied as functions of cavity tuning. Shifts in the transition center frequency, due to radiative level shifts, and changes in linewidth, due to enhanced and suppressed spontaneous emission, are observed. A QED calculation, which explicitly includes the resonator mode density, gives good agreement with the data. (Author)
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.59.2623