Photoluminescence of two-dimensional electron system excited by far-infrared cyclotron resonance in GaAs/AlGaAs double heterostructure

  • Nakata H
  • Saitoh M
  • Fujii K
 et al. 
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We report the H band luminescence due to an indirect exciton composed of a two-dimensional electron and a hole in a modulation-doped GaAs/AlGaAs double heterostructure. The two-dimensional feature of the H band was clearly revealed by far-infrared optically detected cyclotron resonance in tilted magnetic fields. In addition, the Fermi-edge singularity was observed in the H band spectra and the characteristics of excitons have been confirmed by the magneto-oscillatory spectra.

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  • H. Nakata

  • M. Saitoh

  • K. Fujii

  • T. Ohyama

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