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Bloch modes and normal waveguide modes- help to clear up

  1. Jul 25, 2012 #1
    Hi all, I'm a little confused about Bloch modes vs. waveguide modes of a single waveguide and was wanting some pointers. I read that Bloch modes are results of the wavefunction of a particle (usually, an electron) placed in a periodic potential. In the case where we have an array of cylinder rods(nano pillars), if we consider the Bloch modes/calculate Bloch waves, will we have accounted for the propogation of modes of in a single nanopillar(approximate as fiber optic) as well?

    In an array of cylindrical waveguides, for a comprehensive analysis of the electromagnetic field, do we need to calculate both Bloch modes from the periodic array, and also the modes in a single waveguide approximated as a fiber?
  2. jcsd
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