Phys. Rev. Lett. 101, 093002 (2008) [4 pages]Mechanisms for Lasing with Cold Atoms as the Gain MediumReceived 31 March 2008; published 29 August 2008 We realize a laser with a cloud of cold rubidium atoms as gain medium, placed in a low-finesse cavity. Three different regimes of laser emission are observed corresponding, respectively, to Mollow, Raman, and four-wave mixing mechanisms. We measure an output power of up to 300 μW and present the main properties of these different lasers in each regime. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.101.093002
DOI:
10.1103/PhysRevLett.101.093002
PACS:
42.55.Zz, 33.20.Fb, 37.30.+i, 42.55.Ye
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