• Bilinear optical susceptibilities of potassium dihydrogen phosphate and of III–V, II–VI and I–VII semiconductors

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      https://www.ias.ac.in/article/fulltext/pram/004/01/0038-0044

    • Keywords

       

      Bilinear susceptibility, KDP

    • Abstract

       

      The approximate orbital-approach of Jha and Bloembergen is used to calculate the non-dispersive part of the bilinear optical susceptibility,χ(2), for various compounds. Using bonding and antibonding states of the molecular orbital theory it is shown thatχ(2) satisfies a simple relation in terms of other measurable physical quantities. This relation is used to calculateχ(2) for various III–V, II–VI and I–VII semiconductors, both with cubic zinc blende structure and with hexagonal wurtzite structure. The same procedure is used to obtainχ(2) for potassium dihydrogen phosphate (KDP). The calculated values are compared with the experimentally observed values and it is found that the present model gives excellent results for II–VI compounds and for KDP.

    • Author Affiliations

       

      Karamjeet Arya1 A V Tankhiwale2

      1. Tata Institute of Fundamental Research, Bombay - 400005
      2. Institute of Science, Bombay - 400032
    • Dates

       
  • Pramana – Journal of Physics | News

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