Giant non-linear susceptibility of hydrogenic donors in silicon and germanium

HIGHLIGHTS

• who: Nguyen H. Le from the (UNIVERSITY) have published the article: Giant non-linear susceptibility of hydrogenic donors in silicon and germanium, in the Journal: (JOURNAL)
• what: The authors show that a good efficiency can be obtained for third-harmonic generation with doped silicon and germanium. The authors develop the multi-valley theory for the nonlinear optical processes of donors based on the effective mass approximation (EMA). The authors focus on silicon, in which case the valley index, μ, runs over (±1, ±2, ±3), where 1, 2, 3 are the three crystal axes, and the authors . . .
  

   

  

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