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Heterojunction Lasers

  1. May 15, 2010 #1
    1. The problem statement, all variables and given/known data
    Assuming and infinitely deep potential well, estimate the emission wavelength of a 10nm GaAs quantum well laser. The electron density at the normal operating point of the laser is 1016m-2: what is the electron quasi-Fermi level (chemical potential) and how many levels are occupied? (The effective masses are me* = 0.07me, mh* =0.35me)


    2. Relevant equations



    3. The attempt at a solution
    I don't really know how to start this one, I assume i'll need to use the quantised energy levels of a 2-d infinite potential well.....will it be something to do with the difference in band gap energies between Ga and As? If anyone could link me some good internet resources on heterojunction lasers that would also be much appreciated as I have struggled to find any...cheers
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
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