Abstract
Resonant nonlinear four-wave mixing processes have been studied in sodium vapor. The generation of cw uv radiation and the upconversion of λ=10.8 μm light is reported. The coefficientC=P 4/P1P2P3 obtained was on the order of ∼10−2 W−2, the pump spectral width being 12GHz. Resonant atomic nonlinearities are shown to be used for effective cw frequency conversion.
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Bolotskikh, L.T., Vysotin, A.L., Tkhek-de, I. et al. Continuous-wave frequency mixing and UV generation in sodium vapor. Appl. Phys. B 35, 249–252 (1984). https://doi.org/10.1007/BF00693935
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DOI: https://doi.org/10.1007/BF00693935