Phys. Rev. Lett. 93, 233603 (2004) [4 pages]Observation of the Vacuum Rabi Spectrum for One Trapped AtomReceived 19 October 2004; published 3 December 2004 The transmission spectrum for one atom strongly coupled to the field of a high finesse optical resonator is observed to exhibit a clearly resolved vacuum Rabi splitting characteristic of the normal modes in the eigenvalue spectrum of the atom-cavity system. A new Raman scheme for cooling atomic motion along the cavity axis enables a complete spectrum to be recorded for an individual atom trapped within the cavity mode, in contrast to all previous measurements in cavity QED that have required averaging over 103-105 atoms. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.233603
DOI:
10.1103/PhysRevLett.93.233603
PACS:
42.50.Pq, 03.67.–a, 32.80.Pj
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