Phys. Rev. Lett. 99, 123603 (2007) [4 pages]Opening Four-Wave Mixing and Six-Wave Mixing Channels via Dual Electromagnetically Induced Transparency WindowsReceived 25 November 2006; published 18 September 2007 Highly efficient four-wave mixing (FWM) and six-wave mixing (SWM) processes can coexist in a four-level Y-type atomic system due to atomic coherence. The simultaneously opened dual electromagnetically induced transparency windows in this four-level atomic system allow observation of these two nonlinear optical processes at the same time, which enables detailed studies of the interplay between the FWM and SWM processes. Three-photon and five-photon destructive interferences are also observed. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.123603
DOI:
10.1103/PhysRevLett.99.123603
PACS:
42.50.Gy, 32.80.Qk, 42.65.−k
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