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Homework Help: Band Diagram of Multi-Quantum Well Laser Diode

  1. Dec 28, 2013 #1
    1. The problem statement, all variables and given/known data
    This isn't for a homework problem per say, though it is a coursework question. I'm writing a lab report on Multi-Quantum Well Laser Diodes and am trying to explain the basic semiconductor physics behind it. As such I need a diagram of the band structure.

    2. Relevant equations

    3. The attempt at a solution
    This is what I have drawn up, but I just want to check if its correct or if I even have the right Idea. My way of looking at it is:
    Its a PIN junction, usually a hetrostructure so we have the sunk in region in the center and then the active region is the I region, so the quantum wells will be contained there. The radiative recombination then occurs between the wells.

    Any advice or comments on this would be much appreciated. Thanks very much
  2. jcsd
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