Phys. Rev. Lett. 93, 183601 (2004) [4 pages]Frequency Mixing Using Electromagnetically Induced Transparency in Cold AtomsReceived 17 June 2004; published 29 October 2004 We report the first experimental demonstration of four-wave mixing using electromagnetically induced transparency in cold atoms. Backward-wave, phase-matched difference-frequency conversion is achieved at optical powers of a few nanowatts and at energies of less than a picojoule. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.183601
DOI:
10.1103/PhysRevLett.93.183601
PACS:
42.50.Gy, 32.80.–t, 42.65.Ky, 42.65.Lm
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