Phys. Rev. Lett. 85, 4872–4875 (2000)Vacuum-Stimulated Raman Scattering Based on Adiabatic Passage in a High-Finesse Optical CavityReceived 21 August 2000; published in the issue dated 4 December 2000 We report on the first observation of stimulated Raman scattering from a Λ-type three-level atom, where the stimulation is realized by the vacuum field of a high-finesse optical cavity. The scheme produces one intracavity photon by means of an adiabatic passage technique based on a counterintuitive interaction sequence between pump laser and cavity field. This photon leaves the cavity through the less-reflecting mirror. The emission rate shows a characteristic dependence on the cavity and pump detuning, and the observed spectra have a subnatural linewidth. The results are in excellent agreement with numerical simulations. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.4872
DOI:
10.1103/PhysRevLett.85.4872
PACS:
32.80.Qk, 03.67.-a, 42.50.Ct, 42.65.Dr
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