Keywords |
  • Physics

Second order parametric interactions

From a so-called pump wave of frequency fréquence, optical parametric interactions produce two waves of lower frequency: the signal at fréquence and the complementary at fréquence (sometimes called idler). The conservation of energy requires that fréquence. To obtain this a non-linear medium is required, which is often a non-linear crystal, such as lithium niobate.




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