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Luminescence and carrier concentration in Sb-containing narrow bandgap quantum wells under optical excitation

  • A. V. Selivanov
  • , M. Ya Vinnichenko
  • , I. S. Makhov
  • , D. A. Firsov
  • , L. E. Vorobjev
  • , L. Shterengas
  • , G. Belenky
  • Peter the Great St. Petersburg Polytechnic University
  • Stony Brook University

Research output: Contribution to journalConference articlepeer-review

Abstract

We have experimentally studied the photoluminescence from InGaAsSb/AlGaAsSb quantum wells of different width under different levels of interband optical pumping. The dependences of photoluminescence intensity at spectral maxima on carrier concentration were theoretically calculated. This dependence was received using the rate equation taking into account the role of radiative and nonradiative recombination. Comparison of the theoretical and experimental results allowed to determine the nonequilibrium carrier concentration in quantum wells at certain experimental conditions.

Original languageEnglish
Article number062027
JournalJournal of Physics: Conference Series
Volume917
Issue number6
DOIs
StatePublished - Nov 23 2017
Event4th International School and Conference "Saint Petersburg OPEN 2017" on Optoelectronics, Photonics, Engineering and Nanostructures - Saint-Petersburg, Russian Federation
Duration: Apr 3 2017Apr 6 2017

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