Combined Exciton-Cyclotron Resonance in Photoluminescence of a Two-Dimensional Hole Gas

• Authors: J. Jadczak , L. Bryja , P. Płochocka , A. Wójs , J. Misiewicz , D. Maude , M. Potemski
• Languages of publication: EN

Abstracts

EN

A two-dimensional hole gas in an asymmetric GaAs/Ga_{1-x}Al_{x}As quantum well is studied by polarization-resolved photoluminescence in high magnetic fields (up to B = 20 T) and at low temperatures (down to T = 50 mK). In addition to the previously reported dominant emission channels of various free and acceptor-bound trions, the high-energy hole cyclotron replicas of the bound states are now also observed, corresponding to the combined exciton-cyclotron resonance. Identification of different transitions in the rich, multi-peak spectra was possible by the analysis of optical selection rules and comparison of the experimental spectra with realistic numerical calculations.

Keywords

EN

73.20.Mf; 71.35.Ji; 71.35.Pq; 78.20.Ls

Discipline

• 78.20.Ls: Magneto-optical effects(for magneto-optical devices, see 85.70.Sq)
• 71.35.Ji: Excitons in magnetic fields; magnetoexcitons
• 73.20.Mf: Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)(for collective excitations in quantum Hall effects, see 73.43.Lp)
• 71.35.Pq: Charged excitons (trions)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 116
• Issue: 5
• Pages: 852-853

Dates

published

2009-11

Contributors

author

J. Jadczak

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

L. Bryja

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

P. Płochocka

• Grenoble High Magnetic Field Laboratory, CNRS, Grenoble, France

author

A. Wójs

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

J. Misiewicz

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

D. Maude

• Grenoble High Magnetic Field Laboratory, CNRS, Grenoble, France

author

M. Potemski

• Grenoble High Magnetic Field Laboratory, CNRS, Grenoble, France

References

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• 6. A. Wojs, Phys. Rev. B 76, 085344 (2007)

Identifiers

DOI

10.12693/APhysPolA.116.852