Frequency down-conversion based on optical cascading process—new effective way for generation of far infrared or thz radiation

HIGHLIGHTS

• who: Vyacheslav A. Trofimov et al. from the South China University of Technology, Guangzhou, China, Lomonosov Moscow State University have published the article: Frequency down-conversion based on optical cascading processu2014New effective way for generation of far infrared or THz radiation, in the Journal: PLOS ONE of 19/02/2021
• what: Below the authors propose a new effective tool for three times decreasing frequency of the incident pulse based on three-waves interaction in a medium with the quadratic susceptibility. The authors show that the conversion efficiency of the incidentpump pulse energy achieves about 70 . . .
  

   

  

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