Home Forums FDTD Nonlinear Kerr coefficient

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    • #41405
      Tamer Saleh
      Participant

      Can you help me

      I am tried to repeat the work in the attached paper but when I want to configure material I saw that there is a parameter called n2 (called kerr coefficient) which not exist in the parameter adjustment.

      Can you help me to configure the three parameters with its value or guide me to the relations to convert

      Thanks,
      Tamer

    • #43146

      the OptiFDTD tools has a parameter for the third-order susceptibility
      while the paper gives you the kerr coefficient (n2)

      there is some relation between those two parameters, and this relation could be found in this paper
      https://www.osapublishing.org/josab/abstract.cfm?uri=josab-21-3-640

      try it and notify me please with the results

    • #43169
      Tamer Saleh
      Participant

      Thank you
      I will read it and try to apply

    • #43401
      Jing Wang
      Participant

      there exists a relation between n(2) and Chi(3): n(2)=3Chi(3)/(4n^2), n is the linear refractive index.

    • #49159
      Tamer Saleh
      Participant

      Dear Wang,
      Kindly, can you send me the reference to this equation?

      Thanks
      Tamer S. Mostafa
      algwaal@yahoo.com

    • #49412
      Scott Newman
      Moderator

      Tamer,

      The reference in question is the one linked to by Hussein earlier in this thread.

      Scott

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