Abstract
The quantum cascade laser (QCL) is based on a different principle comparing to bipolar semiconductor lasers, because it uses only one type of the charge carriers — electrons and therefore is called an unipolar laser.
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Łaszcz, A. et al. (2008). Electron microscopy of GaAs/AlGaAs quantum cascade laser. In: Richter, S., Schwedt, A. (eds) EMC 2008 14th European Microscopy Congress 1–5 September 2008, Aachen, Germany. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85226-1_31
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DOI: https://doi.org/10.1007/978-3-540-85226-1_31
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