Non-uniform carrier distribution in multi-quantum-well lasers

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Smowton, Peter ; Lewis, Gareth Michael ; Sobiesierski, Angela ; Blood, Peter ; Lutti, Julie ; Osborne, Simon (2003)
  • Publisher: American Institute of Physics
  • Related identifiers: doi: 10.1063/1.1593818
  • Subject: QC
    arxiv: Condensed Matter::Quantum Gases | Condensed Matter::Mesoscopic Systems and Quantum Hall Effect | Condensed Matter::Other

We describe an approach to detect the presence of a nonuniform distribution of carriers between the different wells of multi-quantum-well laser diodes by measuring the gain and spontaneous emission spectra and demonstrate its application to a five-well sample that has a nonuniform carrier distribution at low temperatures
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