Single-dot spectroscopy of multiexcitons in AlInAs/AlGaAs quantum dots

Karin Hinzer; M. Bayer; O. Stern; A. Gorbunov; Alfred W. B. Forchel; Pawel Hawrylak; Jean Lapointe; Simon Fafard

doi:10.1117/12.406453

15 December 2000 Single-dot spectroscopy of multiexcitons in AlInAs/AlGaAs quantum dots

Karin Hinzer, M. Bayer, O. Stern, A. Gorbunov, Alfred W. B. Forchel, Pawel Hawrylak, Jean Lapointe, Simon Fafard

Proceedings Volume 4087, Applications of Photonic Technology 4; (2000) https://doi.org/10.1117/12.406453
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada

Abstract

Self-assembled AI36Ino.As/AIo33Gao.67As quantum dots have been studied by single dot photoluminescence spectroscopy at T= 1.5 K. Emission from the biexciton state is observed, for which we find a binding energy of 5 meV, also, larger multi-exciton complexes are observed at higher excitation intensities. These artificial atoms are found to have an intersublevel spacing of7O meV. In magnetic field, we observe Zeeman splitting ofthe exciton and biexciton spectral lines.

Citation Download Citation

Karin Hinzer, M. Bayer, O. Stern, A. Gorbunov, Alfred W. B. Forchel, Pawel Hawrylak, Jean Lapointe, and Simon Fafard "Single-dot spectroscopy of multiexcitons in AlInAs/AlGaAs quantum dots", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); https://doi.org/10.1117/12.406453

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