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Simulation of a Gaussian beam in an optical waveguide

  1. Jun 6, 2014 #1
    I am trying to simulate a Gaussian beam through an optical waveguide having a circular cross-section in matlab. I am familiar with the theory of modes in an optical fiber and can analytically calculate the evolution of the beam by breaking down the beam into a sum of infinite modes.
    However, I wish to know if there is any numerical technique to simulate the same process numerically.
    Thank you.
     
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  3. Jun 6, 2014 #2

    UltrafastPED

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    Is group velocity dispersion considered? Bending radius? Fiber cladding? What are your objectives?
     
  4. Jun 6, 2014 #3
    Yes. Group velocity dispersion is considered. The fiber has a step index profile (constant refractive index inside the core and cladding with a small difference between their values). I'm not considering the effect of bending right now. I only want to get an idea of how to start with the simulation in terms of mathematics.
    Thank you
     
  5. Jun 6, 2014 #4

    UltrafastPED

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